[jbosstools-commits] JBoss Tools SVN: r12778 - in branches/jbosstools-3.0.0.CR1/hibernatetools/docs/reference/en: modules and 1 other directory.

Author: smukhina Date: 2008-12-19 14:47:46 -0500 (Fri, 19 Dec 2008) New Revision: 12778 Added: branches/jbosstools-3.0.0.CR1/hibernatetools/docs/reference/en/master_output.xml Modified: branches/jbosstools-3.0.0.CR1/hibernatetools/docs/reference/en/master.xml branches/jbosstools-3.0.0.CR1/hibernatetools/docs/reference/en/modules/plugins.xml branches/jbosstools-3.0.0.CR1/hibernatetools/docs/reference/en/modules/reverseengineering.xml Log: https://jira.jboss.org/jira/browse/JBDS-324 the latest docs that are done for release 3.0.0.CR1 from trunk are added to branch master_output - the file to build guide versions with highlighted diff markers Modified: branches/jbosstools-3.0.0.CR1/hibernatetools/docs/reference/en/master.xml =================================================================== --- branches/jbosstools-3.0.0.CR1/hibernatetools/docs/reference/en/master.xml 2008-12-19 19:41:47 UTC (rev 12777) +++ branches/jbosstools-3.0.0.CR1/hibernatetools/docs/reference/en/master.xml 2008-12-19 19:47:46 UTC (rev 12778) @@ -40,7 +40,7 @@ </copyright> <releaseinfo> - Version: 3.0.0.beta1 + Version: 3.0.0.CR1 </releaseinfo> Added: branches/jbosstools-3.0.0.CR1/hibernatetools/docs/reference/en/master_output.xml =================================================================== --- branches/jbosstools-3.0.0.CR1/hibernatetools/docs/reference/en/master_output.xml (rev 0) +++ branches/jbosstools-3.0.0.CR1/hibernatetools/docs/reference/en/master_output.xml 2008-12-19 19:47:46 UTC (rev 12778) @@ -0,0 +1,5033 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" +"http://www.docbook.org/xml/4.3/docbookx.dtd" + +[ +<!ENTITY preface SYSTEM "modules/preface.xml"> +<!ENTITY setup SYSTEM "modules/setup.xml"> +<!ENTITY codegenarchitecture SYSTEM "modules/codegenarchitecture.xml"> +<!ENTITY plugins SYSTEM "modules/plugins.xml"> +<!ENTITY ant SYSTEM "modules/ant.xml"> +<!ENTITY reveng SYSTEM "modules/reverseengineering.xml"> +<!ENTITY codegen SYSTEM "modules/codegen.xml"> + +<!ENTITY seamlink "../../seam/html_single/index.html"> +<!ENTITY aslink "../../as/html_single/index.html"> +<!ENTITY esblink "../../esb_ref_guide/html_single/index.html"> +<!ENTITY gsglink "../../GettingStartedGuide/html_single/index.html"> +<!ENTITY hibernatelink "../../hibernatetools/html_single/index.html"> +<!ENTITY jbpmlink "../../jbpm/html_single/index.html"> +<!ENTITY jsflink "../../jsf/html_single/index.html"> +<!ENTITY jsfreflink "../../jsf_tools_ref_guide/html_single/index.html"> +<!ENTITY jsftutoriallink "../../jsf_tools_tutorial/html_single/index.html"> +<!ENTITY strutsreflink "../../struts_tools_ref_guide/html_single/index.html"> +<!ENTITY strutstutoriallink "../../struts_tools_tutorial/html_single/index.html"> + +]><book lang="en" xmlns:diffmk="http://diffmk.sf.net/ns/diff"> + <bookinfo> + <title>Hibernate Tools Reference Guide</title> + + <author&gt;&lt;firstname&gt;Max&lt;/firstname&gt;&lt;surname&gt;Andersen&lt;/surname&gt;&lt;email&gt;max.andersen(a)jboss.com&lt;/email&gt;&lt;/author&gt; + <author><firstname>Olga</firstname><surname>Chikvina</surname></author> + <author&gt;&lt;firstname&gt;Svetlana&lt;/firstname&gt;&lt;surname&gt;Mukhina&lt;/surname&gt;&lt;email&gt;smukhina(a)exadel.com&lt;/email&gt;&lt;/author&gt; + + <pubdate>April 2008</pubdate> + <copyright> + <year>2007</year> + <year>2008</year> + <holder>JBoss, a division of Red Hat Inc.</holder> + </copyright> + + <releaseinfo><diffmk:wrapper diffmk:change="changed"> + Version: 3.0.0.CR1 + </diffmk:wrapper></releaseinfo> + + + <mediaobject> + <imageobject> + <imagedata fileref="images/hibernate_logo_a.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + +<abstract> + <title></title> + <para> + <ulink url="http://download.jboss.org/jbosstools/nightly-docs/en/hibernatet... version</ulink> + </para> +</abstract> + + </bookinfo> + <toc></toc> + + +<chapter id="preface" xml:base="file:///home/ochikvina/WORK/for_compare/trunk/hibernatetools/docs/reference/en/modules/preface.xml"> + + <title>Preface</title> + + <para><property moreinfo="none">Hibernate Tools</property> is a toolset for <ulink url="http://www.hibernate.org/6.html">Hibernate 3</ulink> and <ulink url="http://www.hibernate.org/27.html">related projects</ulink>. The tools provide Ant + tasks and Eclipse plugins for performing reverse engineering, code generation, visualization + and interaction with Hibernate.</para> + + <section id="hibernate_key_features"> + <title>Key Features</title> + + <para>First, we propose to look through the list of key features that you can benefit from + if you start using <property moreinfo="none">Hibernate Tools</property>.</para> + + <table> + <title>Key Functionality for Hibernate Tools</title> + <tgroup cols="3"> + + <colspec align="left" colnum="1" colwidth="1*"></colspec> + <colspec colnum="2" colwidth="5*"></colspec> + <colspec align="left" colnum="3" colwidth="1*"></colspec> + + <thead> + <row> + <entry>Feature</entry> + <entry>Benefit</entry> + <entry>Chapter</entry> + </row> + </thead> + + <tbody> + + <row> + <entry> + <para>Code Generation through Ant Task</para> + </entry> + <entry> + <para>Allows to execute mapping or Java code generation from reverse + engineering, schema generation and generation of other artifacts + during the build process.</para> + </entry> + <entry><link linkend="ant">ant task</link></entry> + </row> + + <row> + <entry> + <para>Wizards for creation + purposes and code + generation</para> + </entry> + <entry> + <para> A set of wizards are provided with the Hibernate Eclipse tools to + quickly create common Hibernate files such as configuration + (cfg.xml) files, mapping files and revenge.xml as well. Code + Generation wizard helps to generate a series of various artifacts, + there is even support for completely reverse engineer an existing + database schema.</para> + </entry> + <entry> <link linkend="map_file_wizard">hibernate mapping file</link> + <link linkend="hib_config_file">hibernate configuration file</link> + <link linkend="code_gen">code generation</link> + </entry> + </row> + + + <row> + <entry> + <para> + Mapping and Configuration files + Editors + </para> + </entry> + <entry> + <para>Support auto-completion and syntax highlighting. Editors also + support semantic auto-completion for class names and property/field + names, making it much more versatile than a normal XML + editor.</para> + </entry> + <entry> <link linkend="map_config_editor">mapping and configuration files editors</link></entry> + </row> + + <row> + <entry> + <para>Tools for organizing and controlling Reverse Engineering</para> + </entry> + <entry> + <para>Code Generation wizard provides powerful functionality for + generating a series of various artifacts like domain model classes, + mapping files, annotated EJB3 entity beans, etc. and reveng.xml file + editor allows to control this processes.</para> + </entry> + <entry><link linkend="code_gen">code generation</link> + <link linkend="rev_xml_editor">reveng.xml editor</link></entry> + </row> + + <row> + <entry> + <para>Hibernate Console</para> + </entry> + <entry> + <para>It is a new perspective in Eclipse which provides an overview of + your Hibernate Console configurations, were you also can get an + interactive view of your persistent classes and their relationships. + The console allows you to execute HQL queries against your database + and browse the result directly in Eclipse.</para> + </entry> + <entry><link linkend="hib_console">hibernate console</link></entry> + </row> + + <row> + <entry> + <para>Functional Mapping Diagram</para> + </entry> + <entry> + <para>Makes possible to visualize structure of entities and + relationships between them.</para> + </entry> + <entry><link linkend="map_diagram">mapping diagram</link></entry> + </row> + + + <row> + <entry> + <para>Eclipse JDT integration</para> + </entry> + <entry> + <para>Hibernate Tools integrates into the Java code completion and build + support of Java in Eclipse. This gives you code completion of HQL + inside Java code. Additionally, Hibernate Tools will add problem + markers if your queries are not valid against the console + configuration associated with the project.</para> + </entry> + </row> + + </tbody> + </tgroup> + </table> + </section> + + <section> + <title>Other relevant resources on the topic</title> + + <para diffmk:change="added"><diffmk:wrapper diffmk:change="added">Hibernate Tools page on the </diffmk:wrapper><ulink diffmk:change="added" url="http://www.hibernate.org/255.html"><diffmk:wrapper diffmk:change="added">hibernate.org</diffmk:wrapper></ulink><diffmk:wrapper diffmk:change="added">.</diffmk:wrapper></para> + <para>All JBoss Developer Studio/JBoss Tools documentation you can find <ulink url="http://www.jboss.com/products/devstudio/docs">here</... + <para>The latest documentation builds are available <ulink url="http://download.jboss.org/jbosstools/nightly-docs/">her... + </section> + +</chapter> + + +<chapter id="setup" xml:base="file:///home/ochikvina/WORK/for_compare/trunk/hibernatetools/docs/reference/en/modules/setup.xml"> + <title>Download and install Hibernate Tools</title> + + <para><property moreinfo="none">Hibernate Tools</property> can be used "standalone" via Ant + 1.6.x or fully integrated into an Eclipse 3.3.x + WTP 2.x based IDE, such as <property moreinfo="none">JBoss + Tools</property> or a default Eclipse 3.3.x + WTP 2.x installation. The following describes + the install steps in these environments.</para> + + <section> + <title>JBoss Tools</title> + + <para><property moreinfo="none">JBoss Tools 2.x</property> includes <property moreinfo="none">Hibernate Tools</property> and + thus nothing is required besides <ulink url="http://labs.jboss.com/tools/download/index.html">downlo... and <ulink url="../../GettingStartedGuide/html_single/index.html#JBossToolsInstall">installing JBoss Tools</ulink>. If you need to update to a newer version of the + <property moreinfo="none">Hibernate Tools</property> just follow the instructions in the Eclipse IDE + section.</para> + </section> + + <section> + <title>Eclipse IDE</title> + + <para>To install into any <property moreinfo="none">Eclipse 3.3.x</property> based Eclipse IDE you can either + download the <property moreinfo="none">Hibernate Tools</property> distribution from the <ulink url="http://www.hibernate.org/6.html">Hibernate website</ulink> or use the <ulink url="http://download.jboss.org/jbosstools/updates/stable/">J... Tools Update Site</ulink> + (see also <ulink url="http://tools.hibernate.org">http://tools.hibernate.org</ulink> for links + to the update site).</para> + + <para>If you download the <property moreinfo="none">Hibernate Tools</property> distribution you need to place + the <emphasis> + <property moreinfo="none">/plugins</property> + </emphasis> and <emphasis> + <property moreinfo="none">/feature</property> + </emphasis> directory into your eclipse directory or eclipse extensions directory. Sometimes + Eclipse does not automatically detect new plugins and thus the tools will not be activated. To + ensure eclipse sees these changes just clean up the cached plugin information by running eclipse with the <emphasis> + <property moreinfo="none">-clean</property></emphasis> option, e.g. <emphasis> + <property moreinfo="none">eclipse + -clean</property>.</emphasis> Using the updatesite does not require any additional steps.</para> + + <note> + <title>Note:</title> + <para>If you need more basic instructions on installing plugins and general usage of eclipse + then check out <ulink url="https://eclipse-tutorial.dev.java.net/">https://eclipse... and especially <ulink url="https://eclipse-tutorial.dev.java.net/visual-tutorials/updatema... which + covers using the update manager.</para> + </note> + + <section> + <title>Usage of Eclipse WTP</title> + + <para>The <property moreinfo="none">Hibernate Tools</property> plugins currently use <property moreinfo="none">WTP + 2.x</property> which at this time is the latest stable release from the Eclipse Webtools + project.</para> + + <para>Because the WTP project not always have had proper versioning of their plugins there + might exist WTP plugins in your existing eclipse directory from other Eclipse based projects + that are from an earlier WTP release but has either the same version number or higher. It is + thus recommended that if you have issues with WTP provided features to try and install the + plugins on a clean install of eclipse to ensure there are no version collisions.</para> + + </section> + </section> + + <section> + <title>Ant</title> + + <para>To use the tools via Ant you need the <emphasis> + <property moreinfo="none">hibernate-tools.jar</property> + </emphasis> and associated libraries. The libraries are included in the distribution from the + Hibernate website and the Eclipse updatesite. The libraries are located in the eclipse plugins + directory at <emphasis> + <property moreinfo="none">/plugins/org.hibernate.eclipse.x.x.x/lib/tools/</property></emphasis>. These libraries are 100% + independent from the eclipse platform. How to use these via ant tasks are described in the + <link linkend="ant">Ant Tools</link> chapter.</para> + </section> +</chapter> + + +<chapter id="codegenarchitecture" xml:base="file:///home/ochikvina/WORK/for_compare/trunk/hibernatetools/docs/reference/en/modules/codegenarchitecture.xml"> + <title>Code generation architecture</title> + + <para>The code generation mechanism in the <property moreinfo="none">Hibernate Tools</property> consists of a few + core concepts. This section explains their overall structure which are the same for the Ant and + Eclipse tools.</para> + + <section> + <title>Hibernate Meta Model</title> + + <para>The meta model is the model used by Hibernate Core to perform its object relational + mapping. The model includes information about tables, columns, classes, properties, + components, values, collections etc. The API is in <literal moreinfo="none">org.hibernate.mapping</literal> + and its main entry point is the <literal moreinfo="none">Configuration</literal> class, the same class that is + used to build a session factory.</para> + + <para>The model represented by the <literal moreinfo="none">Configuration</literal> class can be build in many + ways. The following list the currently supported ones in <property moreinfo="none">Hibernate Tools</property>. </para> + + <para> + <itemizedlist> + <listitem> + <para>A Core configuration uses Hibernate Core and supports reading <emphasis> + <property moreinfo="none">hbm.xml</property> + </emphasis> files, requires a <emphasis> + <property moreinfo="none">hibernate.cfg.xml</property> + </emphasis>. Named core in Eclipse and <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">&lt;configuration&gt;</literal> + </property> + </emphasis> in ant.</para> + </listitem> + + <listitem> + <para>An Annotation configuration uses Hibernate Annotations and supports <emphasis> + <property moreinfo="none">hbm.xml</property> + </emphasis> and annotated classes, requires a <emphasis> + <property moreinfo="none">hibernate.cfg.xml</property> + </emphasis>. Named annotations in Eclipse and <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">&lt;annotationconfiguration&gt;</literal> + </property> + </emphasis> in ant.</para> + </listitem> + + <listitem> + <para>A JPA configuration uses a Hibernate EntityManager and supports <emphasis> + <property moreinfo="none">hbm.xml</property> + </emphasis> and annotated classes requires that the project has a <emphasis> + <property moreinfo="none">META-INF/persistence.xml</property> + </emphasis> in its classpath. Named JPA in Eclipse and <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">&lt;jpaconfiguration&gt;</literal> + </property> + </emphasis> in ant.</para> + </listitem> + + <listitem> + <para>A JDBC configuration uses <property moreinfo="none">Hibernate Tools</property> reverse engineering + and reads its mappings via JDBC metadata + additional reverse engineering files + (reveng.xml). Automatically used in Eclipse when doing reverse engineering from JDBC and + named <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">&lt;jdbcconfiguration&gt;</literal> + </property> + </emphasis> in ant.</para> + </listitem> + </itemizedlist> + </para> + + <para>In most projects you will normally use only one of the Core, Annotation or JPA + configuration and possibly the JDBC configuration if you are using the reverse engineering + facilities of <property moreinfo="none">Hibernate Tools</property>. </para> + + <note> + <title>Note:</title> + <para>No matter which Hibernate Configuration type you are using <property moreinfo="none">Hibernate + Tools</property> supports them.</para> + </note> + + <para>The following drawing illustrates the core concepts:</para> + + <para> + <figure float="0"> + <title>Hibernate Core Concepts</title> + <mediaobject> + <imageobject role="fo"> + <imagedata fileref="images/code_generation/code_generation_1.png" format="PNG"></imagedata> + </imageobject> + + <imageobject role="html"> + + <imagedata align="center" fileref="images/code_generation/code_generation_1.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + </para> + + <para>The code generation is done based on the Configuration model no matter which type of + configuration have been used to create the meta model, and thus the code generation is + independent on the source of the meta model and represented via Exporters.</para> + </section> + + <section> + <title>Exporters</title> + + <para>Code generation is done in so called Exporters. An <literal moreinfo="none">Exporter</literal> is handed a + Hibernate Meta Model represented as a <literal moreinfo="none">Configuration</literal> instance and it is then + the job of the exporter to generate a set of code artifacts.</para> + + <para>The tools provides a default set of Exporter's which can be used in both Ant and the + Eclipse UI. Documentation for these Exporters is in the <link linkend="ant">Ant Tools</link> + and <link linkend="plugins">Eclipse Plugins</link> chapters.</para> + + <para>Users can provide their own customer Exporter's, either by custom classes implementing the + Exporter interface or simply be providing custom templates. This is documented at <xref linkend="hbmtemplate"></xref></para> + </section> +</chapter> + + +<chapter id="plugins" xml:base="file:///home/ochikvina/WORK/for_compare/trunk/hibernatetools/docs/reference/en/modules/plugins.xml"> + <title>Eclipse Plugins</title> + + <para>This chapter will introduce you to the functionality that <property moreinfo="none">Hibernate + Tools</property> provide within Eclipse. That is a set of wizards and editors for simplifying + the work with <property moreinfo="none">Hibernate</property>.</para> + + <section> + <title>Introduction</title> + + <para>Hibernate Eclipse Tools include wizards for creating Hibernate mapping files, + configuration files (.cfg.xml), revenge.xml as well as wizards for adjusting Console + Configuration and Code Generation. Special structured and XML editors, editors for executing + HQL and Criteria queries are also provided in Hibernate Console. Refer to <link linkend="hibernate_key_features">Key Features</link> section to find all benefits that you + can take advantage of while using the tools within Eclipse.</para> + + <note> + <title>Note:</title> + <para>Please note that these tools do not try to hide any functionality of + <property moreinfo="none">Hibernate</property>. The tools make working with <property moreinfo="none">Hibernate</property> + easier, but you are still encouraged/required to read the <ulink url="http://www.hibernate.org/5.html">Hibernate Documentation</ulink> to fully utilize + <property moreinfo="none">Hibernate Tools</property> and especially <property moreinfo="none">Hibernate</property> it + self.</para> + </note> + </section> + + <section id="map_file_wizard"> + <title>Creating a Hibernate Mapping File</title> + + <para>Hibernate mapping files are used to specify how your objects are related to database + tables.</para> + + <para>For creating a skeleton mapping file, i. e. any <emphasis> + <property moreinfo="none">.hbm.xml</property> + </emphasis>, Hibernate Tools provide a basic wizard which you can bring up by navigating <emphasis> + <property moreinfo="none">New &gt; Hibernate XML mapping file</property>.</emphasis></para> + + <figure float="0"> + <title>Hibernate XML Mapping File Wizard</title> + + <mediaobject> + <imageobject> + <imagedata fileref="images/plugins/plugins_0.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>At first you'll be asked to specify the location and the name for a new mapping + file. On the next dialog you should type or browse the class to map.</para> + <figure float="0"> + <title>Specifying the Class to Map</title> + + <mediaobject> + <imageobject> + <imagedata fileref="images/plugins/plugins_0_a.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + <para>Pressing finish creates the file and opens it in the <link linkend="map_config_struct_editor">structured hbm.xml editor</link>.</para> + + <para> If you start the wizard from the selected class, all values will be detected there + automatically.</para> + + <figure float="0"> + <title>Creating Mapping File for Selected Class</title> + + <mediaobject> + <imageobject> + <imagedata fileref="images/plugins/plugins_0_b.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + + </section> + + <section id="hib_config_file"> + <title>Creating a Hibernate Configuration File</title> + + <para>To be able to reverse engineer, prototype queries, and of course to simply use + <property moreinfo="none">Hibernate Core</property> a <emphasis> + <property moreinfo="none">hibernate.properties</property> + </emphasis> or <emphasis> + <property moreinfo="none">hibernate.cfg.xml</property> + </emphasis> file is needed. The <property moreinfo="none">Hibernate Tools</property> provide a wizard for + generating the <emphasis> + <property moreinfo="none">hibernate.cfg.xml</property> + </emphasis> file if you do not already have such one.</para> + + <para>Start the wizard by clicking <emphasis> + <property moreinfo="none">New &gt; Other (Ctrl+N)</property> + </emphasis>, then <emphasis> + <property moreinfo="none">Hibernate &gt; Hibernate Configuration File (cfg.xml)</property> + </emphasis> and press <emphasis> + <property moreinfo="none">Next</property> + </emphasis>. After selecting the wanted location for the <emphasis> + <property moreinfo="none">hibernate.cfg.xml</property> + </emphasis> file, you will see the following page:</para> + + <figure float="0"> + <title>Hibernate Configuration File Wizard</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_1.png" format="PNG"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_1.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <note> + <title>Note:</title> + <para>The contents in the combo boxes for the JDBC driver class and JDBC URL change + automatically, depending on the Dialect and actual driver you have chosen.</para> + </note> + + <para>Enter your configuration information in this dialog. Details about the configuration + options can be found in <ulink url="http://docs.jboss.org/ejb3/app-server/Hibernate3/reference/en/h... + Reference Documentation</ulink>.</para> + + <para>Press <emphasis> + <property moreinfo="none">Finish</property> + </emphasis> to create the configuration file, after optionally creating a Console + configuration, the <emphasis> + <property moreinfo="none">hibernate.cfg.xml</property> + </emphasis> will be automatically opened in an editor. The last option <emphasis> + <property moreinfo="none">Create Console Configuration</property> + </emphasis> is enabled by default and when enabled, it will automatically use the <emphasis> + <property moreinfo="none">hibernate.cfg.xml</property> + </emphasis> for the basis of a Console configuration.</para> + </section> + + <section id="console_conf"> + <title>Creating a Hibernate Console Configuration</title> + + <para>A Console configuration describes how the <property moreinfo="none">Hibernate plugin</property> should + configure <property moreinfo="none">Hibernate</property> and what configuration files, including which + classpath are needed to load the POJO's, JDBC drivers etc. It is required to make usage of + query prototyping, reverse engineering and code generation. You can have multiple named + console configurations. Normally you would just need one per project, but more is definitely + possible if your project requires this.</para> + + <para>You create a console configuration by running the <property moreinfo="none">Console Configuration + Wizard</property>, shown in the following screenshot. The same wizard will also be used if you + are coming from the <emphasis> + <property moreinfo="none">hibernate.cfg.xml</property> + </emphasis> wizard and had enabled <emphasis> + <property moreinfo="none">Create Console Configuration</property> + </emphasis>.</para> + + <note> + <title>Note:</title> + <para>The wizard will look at the current selection in the IDE and try and auto-detect the + settings which you then can just approve or modify to suit your needs.</para> + </note> + <para></para> + + <para>The dialog consists of five tabs: </para> + + <itemizedlist> + <listitem> + <para><emphasis> + <property moreinfo="none">Main</property> + </emphasis> for the basic/required settings</para> + </listitem> + </itemizedlist> + + <figure float="0"> + <title> Creating Hibernate Console Configuration</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_2.png" format="PNG"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_2.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>The following table describes the available settings on the <emphasis> + <property moreinfo="none">Main</property> + </emphasis> tab. The wizard can automatically detect default values for most of these if you + started the wizard with the relevant java project or resource selected.</para> + + <table> + <title>Hibernate Console Configuration Parameters</title> + + <tgroup cols="3"> + <colspec align="left" colnum="1" colwidth="1*"></colspec> + + <colspec colnum="2" colwidth="3*"></colspec> + + <colspec align="left" colnum="3" colwidth="1*"></colspec> + + <thead> + <row> + <entry align="center"> + <para>Parameter</para> + </entry> + + <entry align="center"> + <para>Description</para> + </entry> + + <entry align="center"> + <para>Auto detected value</para> + </entry> + </row> + </thead> + + <tbody> + <row> + <entry> + <para>Name</para> + </entry> + + <entry> + <para>The unique name of the console configuration</para> + </entry> + + <entry> + <para>Name of the selected project</para> + </entry> + </row> + + <row> + <entry> + <para>Type</para> + </entry> + + <entry> + <para>Choose between "Core", "Annotations" and + "JPA". Note that the two latter requires running Eclipse IDE with + a JDK 5 runtime, otherwise you will get classloading and/or version errors.</para> + </entry> + + <entry> + <para>No default value</para> + </entry> + </row> + + <row> + <entry> + <para>Project</para> + </entry> + + <entry> + <para>The name of a java project which classpath should be used in the console + configuration</para> + </entry> + + <entry> + <para>Name of the selected project</para> + </entry> + </row> + + <row> + <entry> + <para>Database connection</para> + </entry> + + <entry> + <para>DTP provided connection that you can use instead of what is in cfg.xml and jpa + persistence.xml. It's possible to use already configured connection or + specify a new one here.</para> + </entry> + + <entry> + <para>[Hibernate Configured connection]</para> + </entry> + </row> + + <row> + <entry> + <para>Property file</para> + </entry> + + <entry> + <para>Path to a hibernate.properties file</para> + </entry> + + <entry> + <para>First hibernate.properties file found in the selected project</para> + </entry> + </row> + + <row> + <entry> + <para>Configuration file</para> + </entry> + + <entry> + <para>Path to a hibernate.cfg.xml file</para> + </entry> + + <entry> + <para>First hibernate.cfg.xml file found in the selected project</para> + </entry> + </row> + + <row> + <entry> + <para>Persistence unit</para> + </entry> + + <entry> + <para>Name of the persistence unit to use</para> + </entry> + + <entry> + <para>No default value (lets Hibernate Entity Manager find the persistence + unit)</para> + </entry> + </row> + + </tbody> + </tgroup> + </table> + + <tip> + <title>Tip:</title> + + <para>The two latter settings are normally not required if you specify a project and it has <emphasis> + <property moreinfo="none"> + <literal moreinfo="none"> /hibernate.cfg.xml </literal> + </property> + </emphasis> or <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">/META-INF/persistence.xml</literal> + </property> + </emphasis> in its project classpath.</para> + </tip> + + + <itemizedlist> + <listitem> + <para> + <emphasis> + <property moreinfo="none">Options</property> + </emphasis> for the additional/optional settings</para> + </listitem> + </itemizedlist> + + <figure float="0"> + <title>Options Tab of the Console Configuration Wizard</title> + + <mediaobject> + <imageobject> + <imagedata fileref="images/plugins/plugins_2_a.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>The next table describes Hibernate Console Configuration options available on the <emphasis> + <property moreinfo="none">Options</property> + </emphasis> tab.</para> + + <table> + <title>Hibernate Console Configuration Options</title> + + <tgroup cols="3"> + <colspec align="left" colnum="1" colwidth="1*"></colspec> + + <colspec colnum="2" colwidth="3*"></colspec> + + <colspec align="left" colnum="3" colwidth="1*"></colspec> + + <thead> + <row> + <entry align="center"> + <para>Parameter</para> + </entry> + + <entry align="center"> + <para>Description</para> + </entry> + + <entry align="center"> + <para>Auto detected value</para> + </entry> + </row> + </thead> + + <tbody> + <row> + <entry> + <para>Naming strategy</para> + </entry> + + <entry> + <para>Fully qualified classname of a custom NamingStrategy. Only required if you use a + special naming strategy.</para> + </entry> + + <entry> + <para>No default value</para> + </entry> + </row> + + <row> + <entry> + <para>Entity resolver</para> + </entry> + + <entry> + <para>Fully qualified classname of a custom EntityResolver. Only required if you have + special xml entity includes in your mapping files.</para> + </entry> + + <entry> + <para>No default value</para> + </entry> + </row> + + </tbody> + </tgroup> + </table> + + <itemizedlist> + <listitem> + <para><emphasis> + <property moreinfo="none">Classpath</property> + </emphasis> for classpath</para> + </listitem> + </itemizedlist> + + <figure float="0"> + <title>Specifying Classpath in Hibernate Console Configuration</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_3.png" format="PNG"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_3.png" format="PNG"></imagedata> + </imageobject> + + </mediaobject> + </figure> + + <para>The following table specifies the parameters of the Classpath tab of the wizard.</para> + + <table> + <title>Hibernate Console Configuration Classpath</title> + + <tgroup cols="3"> + <colspec align="left" colnum="1" colwidth="1*"></colspec> + + <colspec colnum="2" colwidth="3*"></colspec> + + <colspec colnum="3" colwidth="1*"></colspec> + + <thead> + <row> + <entry align="center"> + <para>Parameter</para> + </entry> + + <entry align="center"> + <para>Description</para> + </entry> + + <entry align="center"> + <para>Auto detected value</para> + </entry> + </row> + </thead> + + <tbody> + <row> + <entry> + <para>Classpath</para> + </entry> + + <entry> + <para>The classpath for loading POJO and JDBC drivers; only needed if the default + classpath of the Project does not contain the required classes. Do not add Hibernate + core libraries or dependencies, they are already included. If you get ClassNotFound + errors then check this list for possible missing or redundant + directories/jars.</para> + </entry> + + <entry> + <para>Empty</para> + </entry> + </row> + + <row> + <entry> + <para>Include default classpath from project</para> + </entry> + + <entry> + <para>When enabled the project classpath will be appended to the classpath specified + above</para> + </entry> + + <entry> + <para>Enabled</para> + </entry> + </row> + + </tbody> + </tgroup> + </table> + + <itemizedlist> + <listitem> + <para><emphasis> + <property moreinfo="none">Mappings</property> + </emphasis> for additional mappings</para> + </listitem> + </itemizedlist> + + <figure float="0"> + <title>Specifying additional Mappings in Hibernate Console Configuration</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_4.png" format="PNG"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_4.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>Parameters of the Mappings tab of the <property moreinfo="none">Hibernate Console Configuration + wizard</property> are explained below:</para> + <table> + <title>Hibernate Console Configuration Mappings</title> + + <tgroup cols="3"> + <colspec align="left" colnum="1" colwidth="1*"></colspec> + + <colspec colnum="2" colwidth="3*"></colspec> + + <colspec colnum="3" colwidth="1*"></colspec> + + <thead> + <row> + <entry align="center"> + <para>Parameter</para> + </entry> + + <entry align="center"> + <para>Description</para> + </entry> + + <entry align="center"> + <para>Auto detected value</para> + </entry> + </row> + </thead> + + <tbody> + <row> + <entry> + <para>Mapping files </para> + </entry> + + <entry> + <para>List of additional mapping files that should be loaded. Note: A + hibernate.cfg.xml or persistence.xml can also contain mappings. Thus if these are + duplicated here, you will get "Duplicate mapping" errors when using the console + configuration.</para> + </entry> + + <entry> + <para>empty</para> + </entry> + </row> + </tbody> + </tgroup> + </table> + + <itemizedlist> + <listitem> + <para>and the last tab <emphasis> + <property moreinfo="none">Common</property> + </emphasis></para> + </listitem> + </itemizedlist> + + <figure float="0"> + <title>Common Tab of the Console Configuration Wizard</title> + + <mediaobject> + <imageobject> + <imagedata fileref="images/plugins/plugins_4_a.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>It allows to define general aspects of the launch configuration including storage + location, console encoding and some others.</para> + + <para>Clicking <emphasis> + <property moreinfo="none">Finish</property> + </emphasis> creates the configuration and shows it in the <property moreinfo="none">Hibernate Configurations + view</property>.</para> + + <figure float="0"> + <title>Console Overview</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_5.png" format="PNG"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_5.png" format="PNG"></imagedata> + </imageobject> + + </mediaobject> + </figure> + </section> + + <section> + <title>Reverse Engineering and Code Generation</title> + + <para>A "click-and-generate" reverse engineering and code generation facility is available. This + facility allows you to generate a range of artifacts based on database or an already existing + Hibernate configuration, be that mapping files or annotated classes. Some of these are POJO + Java source file, Hibernate <emphasis> + <property moreinfo="none">.hbm.xml</property> + </emphasis>, <emphasis> + <property moreinfo="none">hibernate.cfg.xml</property> + </emphasis> generation and schema documentation.</para> + + <para>To start working with this process, start the <property moreinfo="none">Hibernate Code + Generation</property> which is available in the toolbar via the <property moreinfo="none">Hibernate</property> + icon or via the <emphasis> + <property moreinfo="none">Run &gt; Hibernate Code Generation</property> + </emphasis> menu item.</para> + + <section id="code_gen"> + <title>Code Generation Launcher</title> + + <para>When you click on <emphasis> + <property moreinfo="none">Open Hibernate Code Generation Dialog...</property> + </emphasis> the standard Eclipse launcher dialog will appear. In this dialog you can create, + edit and delete named Hibernate code generation "launchers".</para> + + <figure float="0" id="hib_code_gen"> + <title>Getting Hibernate Code Generation Wizard</title> + <mediaobject> + <imageobject role="fo"> + <imagedata fileref="images/plugins/plugins_6.png" format="PNG"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_6.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para></para> + + <figure float="0"> + <title>Hibernate Code Generation Wizard</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_7.png" format="PNG" scale="80"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_7.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>The first time you create a code generation launcher you should give it a meaningful + name, otherwise the default prefix <emphasis> + <property moreinfo="none">New_Generation</property> + </emphasis> will be used.</para> + + <tip> + <title>Tip:</title> + <para>The "At least one exporter option must be selected" is just a + warning stating that for this launch to work you need to select an exporter on the + Exporter tab. When an exporter has been selected the warning will disappear.</para> + </tip> + + <para>The dialog also have the standard tabs <emphasis> + <property moreinfo="none">Refresh</property> + </emphasis> and <emphasis> + <property moreinfo="none">Common</property> + </emphasis> that can be used to configure which directories should be automatically + refreshed and various general settings launchers, such as saving them in a project for + sharing the launcher within a team.</para> + + <para>On the <emphasis> + <property moreinfo="none">Main</property> + </emphasis> tab you see the following fields:</para> + + <table> + <title>Code generation "Main" tab fields</title> + + <tgroup cols="2"> + <colspec align="left" colnum="1" colwidth="1*"></colspec> + + <colspec colnum="2" colwidth="3*"></colspec> + + <colspec colnum="3" colwidth="0.5*"></colspec> + + <thead> + <row> + <entry align="center"> + <para>Field</para> + </entry> + + <entry align="center"> + <para>Description</para> + </entry> + </row> + </thead> + + <tbody> + <row> + <entry> + <para>Console Configuration</para> + </entry> + + <entry> + <para>The name of the console configuration which should be used when code + generating</para> + </entry> + </row> + + <row> + <entry> + <para>Output directory</para> + </entry> + + <entry> + <para>Path to a directory where all output will be written by default. Be aware that + existing files will be overwritten, so be sure to specify the correct + directory.</para> + </entry> + </row> + + <row> + <entry> + <para>Reverse engineer from JDBC Connection</para> + </entry> + + <entry> + <para>If enabled, the tools will reverse engineer the database available via the + connection information in the selected Hibernate Console Configuration and + generate code based on the database schema. If not enabled, the code generation + will just be based on the mappings already specified in the Hibernate Console + configuration.</para> + </entry> + </row> + + <row> + <entry> + <para>Package</para> + </entry> + + <entry> + <para>The package name here is used as the default package name for any entities + found when reverse engineering</para> + </entry> + </row> + + <row> + <entry> + <para>reveng.xml</para> + </entry> + + <entry> + <para>Path to a reveng.xml file. A reveng.xml file allows you to control certain + aspects of the reverse engineering. e.g. how jdbc types are mapped to hibernate + types and especially important which tables are included/excluded from the + process. Clicking "setup" allows you to select an existing reveng.xml file or + create a new one. See more details about the reveng.xml file in <xref linkend="reverseengineering"></xref>.</para> + </entry> + </row> + + <row> + <entry> + <para>reveng. strategy</para> + </entry> + + <entry> + <para>If reveng.xml does not provide enough customization you can provide your own + implementation of an ReverseEngineeringStrategy. The class needs to be in the + classpath of the Console Configuration, otherwise you will get class not found + exceptions. See <xref linkend="custom-reveng-strategy"></xref> for details and an + example of a custom strategy.</para> + </entry> + </row> + + <row> + <entry> + <para>Generate basic typed composite ids</para> + </entry> + + <entry> + <para>A table that has a multi-colum primary key a &lt;composite-id&gt; + mapping will always be created. If this option is enabled and there are matching + foreign-keys each key column is still considered a 'basic' scalar (string, long, + etc.) instead of a reference to an entity. If you disable this option a + &lt;key-many-to-one&gt; instead. Note: a &lt;many-to-one&gt; + property is still created, but is simply marked as non-updatable and + non-insertable.</para> + </entry> + </row> + + <row> + <entry> + <para>Detect optimistic lock columns</para> + </entry> + + <entry> + <para>Automatically detect optimistic lock columns. Controllable via reveng. + strategy; the current default is to use columns named VERSION or TIMESTAMP.</para> + </entry> + </row> + + <row> + <entry> + <para>Detect many-to-many tables</para> + </entry> + + <entry> + <para>Automatically detect many-to-many tables. Controllable via reveng. + strategy.</para> + </entry> + </row> + + <row> + <entry> + <para>Use custom templates</para> + </entry> + + <entry> + <para>If enabled, the Template directory will be searched first when looking up the + templates, allowing you to redefine how the individual templates process the + hibernate mapping model.</para> + </entry> + </row> + + <row> + <entry> + <para>Template directory</para> + </entry> + + <entry> + <para>A path to a directory with custom templates</para> + </entry> + </row> + </tbody> + </tgroup> + </table> + </section> + + <section> + <title>Exporters</title> + + <para>The <emphasis> + <property moreinfo="none">Exporters</property> + </emphasis> tab is used to specify which type of code that should be generated. Each + selection represents an Exporter that is responsible for generating the code, hence the + name.</para> + + <figure float="0"> + <title>Selecting Exporters</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_8.png" format="PNG" scale="80"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_8.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>The following table describes in short the various exporters. Remember you can + add/remove any Exporters depending on your needs.</para> + + <table> + <title>Code generation "Exporter" tab fields</title> + + <tgroup cols="2"> + <colspec align="left" colnum="1" colwidth="1*"></colspec> + + <colspec colnum="2" colwidth="3*"></colspec> + + <thead> + <row> + <entry align="center"> + <para>Field</para> + </entry> + + <entry align="center"> + <para>Description</para> + </entry> + </row> + </thead> + + <tbody> + <row> + <entry> + <para>Domain code</para> + </entry> + + <entry> + <para>Generates POJO's for all the persistent classes and components found in the + given Hibernate configuration.</para> + </entry> + </row> + + <row> + <entry> + <para>DAO code</para> + </entry> + + <entry> + <para>Generates a set of DAO's for each entity found.</para> + </entry> + </row> + + <row> + <entry> + <para>Hibernate XML Mappings</para> + </entry> + + <entry> + <para>Generate mapping (hbm.xml) files for each entity.</para> + </entry> + </row> + + <row> + <entry> + <para>Hibernate XML Configuration</para> + </entry> + + <entry> + <para>Generate a hibernate.cfg.xml file. Used to keep the hibernate.cfg.xml update + with any new found mapping files.</para> + </entry> + </row> + + <row> + <entry> + <para>Schema Documentation (.html)</para> + </entry> + + <entry> + <para>Generates a set of html pages that documents the database schema and some of + the mappings.</para> + </entry> + </row> + + <row> + <entry> + <para>Generic Exporter (hbmtemplate)</para> + </entry> + + <entry> + <para>Fully customizable exporter which can be used to perform custom + generation.</para> + </entry> + </row> + + </tbody> + </tgroup> + </table> + + <para>Each Exporter listens to certain properties and these can be setup in the <emphasis> + <property moreinfo="none">Properties</property> + </emphasis> section where you can add/remove predefined or customer properties for each of + the exporters. The following table lists the time of writing predefined properties:</para> + + <para> + <table> + <title>Exporter Properties</title> + + <tgroup cols="2"> + <colspec align="left" colnum="1" colwidth="1*"></colspec> + + <colspec colnum="2" colwidth="3*"></colspec> + + <thead> + <row> + <entry align="center"> + <para>Name</para> + </entry> + + <entry align="center"> + <para>Description</para> + </entry> + </row> + </thead> + + <tbody> + <row> + <entry> + <para>jdk5</para> + </entry> + + <entry> + <para>Generate Java 5 syntax</para> + </entry> + </row> + + <row> + <entry> + <para>ejb3</para> + </entry> + + <entry> + <para>Generate EJB 3 annotations</para> + </entry> + </row> + + <row> + <entry> + <para>for_each</para> + </entry> + + <entry> + <para>Specifies for which type of model elements the exporter should create a file + and run through the templates. Possible values are: entity, component, + configuration</para> + </entry> + </row> + + <row> + <entry> + <para>template_path</para> + </entry> + + <entry> + <para>Custom template directory for this specific exporter. You can use Eclipse + variables.</para> + </entry> + </row> + + <row> + <entry> + <para>template_name</para> + </entry> + + <entry> + <para>Name for template relative to the template path</para> + </entry> + </row> + + <row> + <entry> + <para>outputdir</para> + </entry> + + <entry> + <para>Custom output directory for this specific exporter. You can use Eclipse + variables.</para> + </entry> + </row> + + <row> + <entry> + <para>file_pattern</para> + </entry> + + <entry> + <para>Pattern to use for the generated files, relatively for the output dir. + Example: {package-name}/{class-name}.java .</para> + </entry> + </row> + + + + <row> + <entry> + <para>dot.executable</para> + </entry> + + <entry> + <para>Executable to run GraphViz (only relevant, but optional for Schema + documentation)</para> + </entry> + </row> + </tbody> + </tgroup> + </table> + </para> + </section> + </section> + + <section id="map_config_editor"> + <title>Hibernate Mapping and Configuration File Editor</title> + + <para>The <property moreinfo="none">Hibernate Mapping File editor</property> provides XML editing functionality + for the <emphasis> + <property moreinfo="none">hbm.xml </property> + </emphasis> and <emphasis> + <property moreinfo="none">cfg.xml</property> + </emphasis> files. The editor is based on the Eclipse WTP tools and extends its functionality + to provide Hibernate specific code completion.</para> + + <figure float="0"> + <title>XML Editing Functionality</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_9.png" format="PNG" scale="80"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_9.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <section> + <title>Java property/class completion</title> + + <para>Package, class, and field completion is enabled for relevant XML attributes. The + auto-completion detects its context and limits the completion for e.g. <emphasis> + <property moreinfo="none">&lt;property&gt;</property> + </emphasis> and only shows the properties/fields available in the enclosing <emphasis> + <property moreinfo="none">&lt;class&gt;</property> + </emphasis>, <emphasis> + <property moreinfo="none">&lt;subclass&gt;</property> + </emphasis> etc. It is also possible to navigate from the <emphasis> + <property moreinfo="none">hbm.xml</property> + </emphasis> files to the relevant class/field in java code.</para> + + <figure float="0"> + <title>Navigation Functionality</title> + + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_10.png" format="PNG" scale="80"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_10.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + + </figure> + + <para>This is done via the standard hyperlink navigation functionality in Eclipse; per default + it is done by pressing F3 while the cursor is on a class/field or by pressing <emphasis> + <property moreinfo="none">Ctrl</property> + </emphasis> and the mouse button to perform the same navigation.</para> + + <para>For java completion and navigation to work the file needs to reside inside an Eclipse + Java project, otherwise no completion will occur.</para> + <note> + <title>Note:</title> + <para>Java completion does not require a Hibernate console configuration to be used.</para> + </note> + </section> + + <section> + <title>Table/Column completion</title> + + <para>Table and column completion is also available for all table and column attributes. </para> + + <figure float="0"> + <title>Table and Column Completion</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_11.png" format="PNG" scale="80"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_11.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <important> + <title>Important:</title> + <para>Table/Column completion requires a proper configured hibernate console configuration + and this configuration should be the default for the project where the <emphasis> + <property moreinfo="none">hbm.xml</property> + </emphasis> resides.</para> + </important> + + <para>You can check which console configuration is selected under the Properties of a project + and look under the <emphasis> + <property moreinfo="none">Hibernate Settings</property> + </emphasis> page. When a proper configuration is selected it will be used to fetch the + table/column names in the background.</para> + + <note> + <title>Note:</title> + <para>Currently it is not recommended to use this feature on large databases since it does + not fetch the information iteratively. It will be improved in future versions.</para> + </note> + </section> + + <section> + <title>Configuration property completion</title> + + <para>In <emphasis> + <property moreinfo="none">cfg.xml</property> + </emphasis> code completion for the value of <emphasis> + <property moreinfo="none">&lt;property&gt; name</property> + </emphasis> attributes is available.</para> + + + <figure float="0"> + <title>Property Completion</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_12.png" format="PNG" scale="80"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_12.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + + </section> + </section> + + <section id="map_config_struct_editor"> + <title>Structured Hibernate Mapping and Configuration File Editor</title> + <para>The structured editor represents the file in the tree form. It also allows to modify the + structure of the file and its elements with the help of tables provided on the right-hand + area.</para> + + <para>To open any mapping file in the editor, choose <emphasis> + <property moreinfo="none">Open With &gt; Hibernate 3.0 XML Editor</property> + </emphasis> option from the context menu of the file. The editor should look as follows:</para> + + <figure float="0"> + <title>Structured hbm.xml Editor</title> + + <mediaobject> + <imageobject> + <imagedata fileref="images/plugins/plugins_12_a.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>For the configuration file you should choose <emphasis> + <property moreinfo="none">Open With &gt; Hibernate Configuration 3.0 XML Editor</property> + </emphasis>option.</para> + + <figure float="0"> + <title>Structured cfg.xml Editor</title> + + <mediaobject> + <imageobject> + <imagedata fileref="images/plugins/plugins_12_b.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + + </section> + + <section id="rev_xml_editor"> + <title>Reveng.xml Editor</title> + + <para>A <emphasis> + <property moreinfo="none">reveng.xml </property> + </emphasis> file is used to customize and control how reverse engineering is performed by the + tools. The plugins provide an editor to ease the editing of this file and hence used to + configure the reverse engineering process.</para> + + <para>The editor is intended to allow easy definition of type mappings, table include/excludes + and specific override settings for columns, e.g. define an explicit name for a column when the + default naming rules are not applicable.</para> + + <note> + <title>Note:</title> + <para> Not all the features of the <emphasis> + <property moreinfo="none">.reveng.xml </property> + </emphasis> file are exposed or fully implemented in the editor, but the main functionality + is there. To understand the full flexibility of the <emphasis> + <property moreinfo="none">reveng.xml</property> + </emphasis>, please see <xref linkend="hibernaterevengxmlfile"></xref> + </para> + </note> + + <para>The editor is activated as soon as an <emphasis> + <property moreinfo="none">.reveng.xml </property> + </emphasis> file is opened. To get an initial <emphasis> + <property moreinfo="none">reveng.xml </property> + </emphasis> file the <property moreinfo="none">Reverse Engineering File Wizard</property> can be started via <emphasis> + <property moreinfo="none">Ctrl+N</property> + </emphasis> and <emphasis> + <property moreinfo="none">Hibernate &gt; Hibernate Reverse Engineering File (reveng.xml)</property> + </emphasis> then.</para> + + <figure float="0"> + <title>Overview Page</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_22.png" format="PNG" scale="80"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_22.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>Or you can get it via the <property moreinfo="none">Code Generation Launcher</property> by checking the + proper section in the <emphasis> + <property moreinfo="none">Main</property> + </emphasis> tab of the <link linkend="hib_code_gen">Hibernate Code Generation Wizard</link>.</para> + + <para>The following screenshot shows the <emphasis> + <property moreinfo="none">Overview</property> + </emphasis> page where the wanted console configuration is selected (auto-detected if + Hibernate 3 support is enabled for the project)</para> + + <figure float="0"> + <title>Overview Page</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_13.png" format="PNG" scale="80"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_13.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>The <emphasis> + <property moreinfo="none">Table Filter</property> + </emphasis> page allows you to specify which tables to include and exclude. Pressing <emphasis> + <property moreinfo="none">Refresh</property> + </emphasis> shows the tables from the database that have not yet been excluded.</para> + + <figure float="0"> + <title>Table Filters Page</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_14.png" format="PNG" scale="80"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_14.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>The <emphasis> + <property moreinfo="none">Type Mappings</property> + </emphasis> page is used for specifying type mappings from JBDC types to any Hibernate type + (including usertypes) if the default rules are not applicable. Here again to see the database + tables press <emphasis> + <property moreinfo="none">Refresh</property> + </emphasis> button underneath. More about type mappings you can find further in the <link linkend="type_map">Type Mappings</link> section.</para> + + <figure float="0"> + <title>Type Mappings Page</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_15.png" format="PNG" scale="80"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_15.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>The <emphasis> + <property moreinfo="none">Table and Columns</property> + </emphasis> page allows you to explicit set e.g. which hibernatetype and propertyname that + should be used in the reverse engineered model. For more details on how to configure the + tables while reverse engineering read the <link linkend="tab_and_col">Specific table + configuration</link> section.</para> + + <figure float="0"> + <title>Table and Columns Page</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_16.png" format="PNG" scale="80"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_16.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>Now that you have configured all necessary parts, you can learn how to work with + <property moreinfo="none">Hibernate Console Perspective</property>.</para> + </section> + + <section id="hib_console"> + <title>Hibernate Console Perspective</title> + + <para>The <property moreinfo="none">Hibernate Console Perspective</property> combines a set of views which allow + you to see the structure of your mapped entities/classes, edit HQL queries, execute the + queries, and see the results. To use this perspective you need to create a <link linkend="console_conf">Console configuration</link>.</para> + + <section> + <title>Viewing the entity structure</title> + + <para>To view your new configuration and entity/class structure, switch to <property moreinfo="none">Hibernate + Configurations View</property>. Expanding the tree allows you to browse the class/entity + structure and see the relationships.</para> + + <figure float="0"> + <title>Hibernate Console Perspective</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_17.png" scale="80"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_17.png"></imagedata> + </imageobject> + </mediaobject> + + </figure> + + <para>The <property moreinfo="none">Console Configuration</property> does not dynamically adjust to changes + done in mappings and java code. To reload the configuration select the configuration and + click the <emphasis> + <property moreinfo="none">Reload</property> + </emphasis> button in the view toolbar or in the context menu.</para> + + <para>Besides, it's possible to open source and mapping files for objects showed in + <property moreinfo="none">Hibernate Configurations View</property>. Just bring up the context menu for a + necessary object and select <emphasis> + <property moreinfo="none">Open Source File</property> + </emphasis> to see appropriate Java class or <emphasis> + <property moreinfo="none">Open Mapping File</property> + </emphasis> to open a proper <emphasis> + <property moreinfo="none">.hbm.xml</property>.</emphasis></para> + + <figure float="0"> + <title>Opening Source for Objects</title> + + <mediaobject> + <imageobject> + <imagedata fileref="images/plugins/plugins_17_a.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <section id="map_diagram"> + <title>Mapping Diagram</title> + + <para>In order to get a visual feel on how entities are related as well as view their + structures, a <property moreinfo="none">Mapping Diagram</property> is provided. It is available by right + clicking on the entity you want a mapping diagram for and then choosing <emphasis> + <property moreinfo="none">Open Mapping Diagram</property>.</emphasis></para> + + <figure float="0"> + <title>Mapping Diagram</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_18.png" scale="80"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_18.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>For better navigating on the Diagram use <property moreinfo="none">Outline view</property> which is + available in the structural and graphical modes.</para> + <figure float="0"> + <title>Navigating in the Structural Mode</title> + + <mediaobject> + <imageobject> + <imagedata fileref="images/plugins/plugins_18_a.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>To switch over between the modes use the buttons in the top-right corner of the + <property moreinfo="none">Outline view</property>.</para> + + <figure float="0"> + <title>Navigating in the Graphical Mode</title> + + <mediaobject> + <imageobject> + <imagedata fileref="images/plugins/plugins_18_b.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>As in <property moreinfo="none">Hibernate Configurations View</property> in <property moreinfo="none">Mapping + Diagram</property> it's also possible to open source/mapping file for a chosen + object by selecting appropriate option in the context menu. </para> + + <figure float="0"> + <title>Navigating on the Diagram</title> + + <mediaobject> + <imageobject> + <imagedata fileref="images/plugins/plugins_18_c.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>If you ask to open source/mapping file by right clicking on any entity element, this + element will be highlighted in the open file.</para> + + <figure float="0"> + <title>Opening Source for Object</title> + + <mediaobject> + <imageobject> + <imagedata fileref="images/plugins/plugins_18_d.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>Finally, if you need to have your Diagram exported as <emphasis><property moreinfo="none">.png + </property>,</emphasis> + <emphasis> + <property moreinfo="none">.jpeg</property> + </emphasis> or <emphasis><property moreinfo="none">.bmp </property>,</emphasis> you should right-click + anywhere in the <property moreinfo="none">Mapping Diagram editor</property> and select <emphasis> + <property moreinfo="none">Export as Image</property> + </emphasis>.</para> + + <figure float="0"> + <title>Mapping Diagram Export</title> + + <mediaobject> + <imageobject> + <imagedata fileref="images/plugins/plugins_18_e.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>As you can see on the figure above, <emphasis><property moreinfo="none">Undo</property>, </emphasis> + <emphasis> + <property moreinfo="none">Redo</property> + </emphasis> and <emphasis> + <property moreinfo="none">Auto layout </property> + </emphasis> options are also available through the context menu.</para> + </section> + </section> + + <section> + <title>Prototyping Queries</title> + + <para>Queries can be prototyped by entering them in the <property moreinfo="none">HQL</property> or + <property moreinfo="none">Criteria Editor</property>. The query editors are opened by right-clicking the + <property moreinfo="none">Console Configuration</property> and selecting either <property moreinfo="none">HQL + Editor</property> or <property moreinfo="none">Hibernate Criteria Editor</property>. The editors + automatically detect the chosen configuration.</para> + + <para>If the menu item is disabled then you need at first to create a <property moreinfo="none">Session + Factory</property>. That is done by simply expanding the <property moreinfo="none">Session + Factory</property> node.</para> + + <para>By brining up the context menu for a chosen entity or property in the <property moreinfo="none">Console + Configuration</property> and opening <emphasis> + <property moreinfo="none">HQL Editor</property> + </emphasis> or <emphasis> + <property moreinfo="none">Hibernate Criteria Editor</property> + </emphasis> you'll get a prefill query.</para> + + <figure float="0"> + <title>Entering Simple Queries</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_19.png" format="PNG" scale="80"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_19.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + <para>To copy a portion of code from .java file into a HQL or Criteria editor, make use of the + Quick Fix option (Ctrl + 1).</para> + + <figure float="0"> + <title>Quick Fix Option Demonstration</title> + + <mediaobject> + <imageobject> + <imagedata fileref="images/plugins/plugins_19_b.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + <para>You can also update the original java code according to changes in the HQL or Criteria + editor. For that you should save your HQL/Criteria query and submit the replacing in + appeared confirmation dialog.</para> + + <figure float="0"> + <title>Updating Java Code</title> + + <mediaobject> + <imageobject> + <imagedata fileref="images/plugins/plugins_19_c.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>Executing the query is done by clicking the green run button in the toolbar or pressing <emphasis> + <property moreinfo="none">Ctrl+Enter</property> + </emphasis>.</para> + + <para>Errors during creation of the <property moreinfo="none">Session Factory</property> or running the + queries (e.g. if your configuration or query is incorrect) will be shown in a message dialog + or inclined in the view that detected the error, you may get more information about the + error in the <property moreinfo="none">Error Log View</property> on the right pane.</para> + + <para>Results of a query will be shown in the <property moreinfo="none">Hibernate Query Result View</property> + and details of possible errors (syntax errors, database errors, etc.) can be seen in the + <property moreinfo="none">Error Log View</property>.</para> + + + <note> + <title>Note:</title> + <para>HQL queries are executed by default using <literal moreinfo="none">list()</literal> thus without any + limit of the size of the output the query could return a large result set. You might run + out of memory. To avoid this you can put a value in the Max results field to reduce the + number of elements returned.</para> + </note> + + <section> + <title>Dynamic Query Translator</title> + + <para>If the <property moreinfo="none">Hibernate Dynamic Query Translator View</property> is visible while + writing in the <property moreinfo="none">HQL Editor</property> it will show the generated SQL for a HQL + query.</para> + + <figure float="0"> + <title>Hibernate Dynamic Query Translator View</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_20.png" format="PNG" scale="80"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_20.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>The translation is done each time you stop typing into the editor, if there are errors + in the HQL the parse exception will be shown embedded in the view.</para> + </section> + </section> + + <section> + <title>Properties View</title> + + <para>As you can see on the figure, <property moreinfo="none">Properties view</property> shows the number of + query results as well as the time of executing.</para> + + <figure float="0"> + <title>Properties View</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_21_a.png" format="PNG" scale="80"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_21_a.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>It also displays the structure of any persistent object selected in the + <property moreinfo="none">Hibernate Query Results View</property>. Editing is not yet supported.</para> + + <figure float="0"> + <title>Properties View for Selected Object</title> + <mediaobject> + <imageobject role="fo"> + <imagedata align="center" fileref="images/plugins/plugins_21_b.png" format="PNG" scale="80"></imagedata> + </imageobject> + + <imageobject role="html"> + <imagedata align="center" fileref="images/plugins/plugins_21_b.png" format="PNG"></imagedata> + </imageobject> + </mediaobject> + </figure> + </section> + </section> + + <section id="debug_log"> + <title>Enable debug logging in the plugins</title> + + <para>It is possible to configure the eclipse plugin to route all logging made by the plugins + and hibernate code it self to the <property moreinfo="none">Error Log View</property> in Eclipse.</para> + + <para>This is done by editing the <emphasis> + <property moreinfo="none">hibernate-log4j.properties</property> + </emphasis> in <emphasis> + <property moreinfo="none">org.hibernate.eclipse/ directory/jar</property> + </emphasis>. This file includes a default configuration that only logs WARN and above to a set + of custom appenders (PluginFileAppender and PluginLogAppender). You can change these settings + to be as verbose or silent as you please - see <ulink url="http://www.hibernate.org/5.html">Hibernate Documentation</ulink> for interesting categories and Log4j documentation.</para> + + <section> + <title>Relevant Resources Links</title> + <para>Find more on how to configure logging via a log4j property file in <ulink url="http://supportweb.cs.bham.ac.uk/docs/tutorials/docsystem/build/tutorials/log4j/log4j.html">Log4j documentation</ulink>.</para> + </section> + </section> + + <section id="dali_integration"> + <title>Hibernate support for Dali plugins in Eclipse WTP</title> + + <para>Starting from 3.0.0 Alpha1 version of <property moreinfo="none">JBoss Tools</property> Hibernate plugins + support Eclipse Dali integration what now makes it possible to use a Hibernate as a complete + JPA development platform.</para> + + <para>When starting your new JPA project from <emphasis> + <property moreinfo="none">New &gt; Other... &gt; JPA &gt; JPA Project</property> + </emphasis> (or simply <emphasis> + <property moreinfo="none">New &gt; JPA Project</property> + </emphasis> in <property moreinfo="none">JPA Perspective</property>) on the JPA Facet page you'll be + prompted to choose Hibernate as a target platform.</para> + + <figure float="0"> + <title>Targeting at Hibernate Platform</title> + <mediaobject> + <imageobject> + <imagedata fileref="images/plugins/plugins_23.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>By enabling Hibernate platform specific features you can now generate DDL and Entities. + For that find <emphasis> + <property moreinfo="none">JPA Tools &gt; Generate DDL.../Generate Entities...</property> + </emphasis> options in the context menu of your JPA project.</para> + + <figure float="0"> + <title>Generate DDL/Entities</title> + <mediaobject> + <imageobject> + <imagedata fileref="images/plugins/plugins_24.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <para>The Generate DDL/Entities wizards first will ask you to choose the <property moreinfo="none">Console + Configuration</property>.</para> + + <figure float="0"> + <title>Generate Entities Wizard</title> + <mediaobject> + <imageobject> + <imagedata fileref="images/plugins/plugins_25.png"></imagedata> + </imageobject> + </mediaobject> + </figure> + + <note> + <title>Note:</title> + + <para>Please note, currently the wizards require that you have a <link linkend="console_conf">Hibernate Console Configuration</link> already configured.</para> + </note> + </section> +</chapter> + + +<chapter id="ant" xml:base="file:///home/ochikvina/WORK/for_compare/trunk/hibernatetools/docs/reference/en/modules/ant.xml"> + <title>Ant Tools</title> + + <para>Maybe somebody will find it more preferable to use Ant for generation purposes. Thus, this + chapter is intended to get you ready to start using Hibernate Tools via Ant tasks.</para> + + <section> + <title>Introduction</title> + + <para>The <emphasis> + <property moreinfo="none">hibernate-tools.jar</property> + </emphasis> contains the core for the <property moreinfo="none">Hibernate Tools</property>. It is used as the + basis for both the Ant tasks described in this document and the eclipse plugins both available + from tools.hibernate.org. The <emphasis> + <property moreinfo="none">hibernate-tools.jar</property> + </emphasis> is located in your eclipse plugins directory at <emphasis> + <property moreinfo="none">/plugins/org.hibernate.eclipse.x.x.x/lib/tools/hibernate-tools.jar</property>.</emphasis></para> + <para>This jar is 100% independent from the eclipse platform and can thus be used independently + of eclipse.</para> + + <note> + <title>Note:</title> + <para>There might be incompatibilities with respect to the Hibernate3.jar bundled with the + tools and your own jar. Thus to avoid any confusion it is recommended to use the + hibernate3.jar and hibernate-annotations.jar bundled with the tools when you want to use the + Ant tasks. Do not worry about using e.g. Hibernate 3.2 jar's with e.g. a Hibernate 3.1 + project since the output generated will work with previous Hibernate 3 versions. </para> + </note> + </section> + + <section> + <title>The &lt;hibernatetool&gt; Ant Task</title> + + <para>To use the ant tasks you need to have the <emphasis> + <property moreinfo="none">hibernatetool</property> + </emphasis> task defined. That is done in your <emphasis> + <property moreinfo="none">build.xml</property> + </emphasis> by inserting the following xml (assuming the jars are in the + <literal moreinfo="none">lib</literal> directory): </para> + + <programlisting format="linespecific" role="XML"><![CDATA[<path id="toolslib"> + <path location="lib/hibernate-tools.jar" /> + <path location="lib/hibernate3.jar" /> + <path location="lib/freemarker.jar" /> + <path location="${jdbc.driver.jar}" /> +</path> + +<taskdef name="hibernatetool" + classname="org.hibernate.tool.ant.HibernateToolTask" + classpathref="toolslib" /> +]]></programlisting> + + <para>This <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">&lt;taskdef&gt;</literal> + </property> + </emphasis> defines an Ant task called <emphasis> + <property moreinfo="none"> hibernatetool </property> + </emphasis> which now can be used anywhere in your ant <emphasis> + <property moreinfo="none">build.xml</property> + </emphasis> files. It is important to include all the <property moreinfo="none">Hibernate Tools</property> + dependencies as well as the jdbc driver.</para> + + <para>Notice that to use the annotation based Configuration you must <ulink url="http://annotations.hibernate.org">get a release</ulink>. </para> + + <para></para> + + <para>When using the <emphasis> + <property moreinfo="none"> hibernatetool </property> + </emphasis> task you have to specify one or more of the following:</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hibernatetool + destdir="defaultDestinationDirectory" + templatepath="defaultTemplatePath" +> + <classpath ...> + <property key="propertyName" value="value"/> + <propertyset ...> + (<configuration ...>|<annotationconfiguration ...>| + <jpaconfiguration ...>|<jdbcconfiguration ...>) + (<hbm2java>,<hbm2cfgxml>,<hbmtemplate>,...) +</hibernatetool>]]></programlisting> + + <table frame="topbot"> + <title>Hibernatetool attributes</title> + + <tgroup cols="3"> + + <colspec colwidth="0.3*"></colspec> + + <colspec colwidth="1.0*"></colspec> + + <colspec colwidth="0.3*"></colspec> + + + <thead> + <row> + <entry>Attribute name</entry> + + <entry>Definition</entry> + + <entry>Attribute use</entry> + </row> + </thead> + + <tbody> + <row> + <entry> + <para>destdir</para> + </entry> + + <entry> + <para>Destination directory for files generated with exporters</para> + </entry> + + <entry> + <para>Required</para> + </entry> + </row> + + <row> + <entry> + <para>templatepath</para> + </entry> + + <entry> + <para>A path to be used to look up user-edited templates</para> + </entry> + + <entry> + <para>Optional</para> + </entry> + </row> + + <row> + <entry> + <para>classpath</para> + </entry> + + <entry> + <para>A classpath to be used to resolve resources, such as mappings and + usertypes</para> + </entry> + + <entry> + <para>Optional, but very often required</para> + </entry> + </row> + + + <row> + <entry> + <para>property (and propertyset)</para> + </entry> + + <entry> + <para>Used to set properties to control the exporters. Mostly relevant for providing + custom properties to user defined templates</para> + </entry> + + <entry> + <para>Optional</para> + </entry> + </row> + + <row> + <entry> + <para>configuration (annotationconfiguration, jpaconfiguration, + jdbcconfiguration)</para> + </entry> + + <entry> + <para>One of four different ways of configuring the Hibernate Meta Model must be + specified</para> + </entry> + + <entry> + <para></para> + </entry> + </row> + + <row> + <entry> + <para>hbm2java (hbm2cfgxml, hbmtemplate, etc.)</para> + </entry> + + <entry> + <para>One or more of the exporters must be specified</para> + </entry> + + <entry> + <para></para> + </entry> + </row> + + </tbody> + + </tgroup> + </table> + + <section> + <title>Basic examples</title> + + <para>The following example shows the most basic setup for generating pojo's via <emphasis> + <property moreinfo="none">&lt;hbm2java&gt;</property> + </emphasis> from a normal <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">hibernate.cfg.xml</literal> + </property>. </emphasis> The output will be put in the <emphasis> + <property moreinfo="none">${build.dir}/generated</property> + </emphasis> directory.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hibernatetool destdir="${build.dir}/generated"> + <classpath> + <path location="${build.dir}/classes"/> + </classpath> + + <configuration configurationfile="hibernate.cfg.xml"/> + <hbm2java/> +</hibernatetool>]]></programlisting> + + + <para>The following example is similar, but now we are performing multiple exports from the + same configuration. We are exporting the schema via <emphasis> + <property moreinfo="none">&lt;hbm2dll&gt;</property>, </emphasis> generates some DAO code via <emphasis> + <property moreinfo="none">&lt;hbm2dao&gt;</property> + </emphasis> and finally runs a custom code generation via <emphasis> + <property moreinfo="none">&lt;hbmtemplate&gt;</property>. </emphasis> This is again from a normal <emphasis> + <property moreinfo="none">hibernate.cfg.xml</property> + </emphasis> and the output is still put in the <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">${build.dir}/generated</literal> + </property> + </emphasis> directory. Furthermore the example also shows where a classpath is specified + when you e.g. have custom usertypes or some mappings that is needed to be looked up as a + classpath resource.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hibernatetool destdir="${build.dir}/generated"> + <classpath> + <path location="${build.dir}/classes"/> + </classpath> + + <configuration configurationfile="hibernate.cfg.xml"/> + <hbm2ddl/> + <hbm2dao/> + <hbmtemplate + filepattern="{package-name}/I{class-name}Constants.java" + templatepath="${etc.dir}/customtemplates" + template="myconstants.vm" + /> +</hibernatetool>]]></programlisting> + + </section> + </section> + + <section> + <title>Hibernate Configurations</title> + + <para><literal moreinfo="none">Hibernatetool</literal> supports four different Hibernate configurations: A + standard Hibernate configuration <emphasis> + (<property moreinfo="none">&lt;configuration&gt;</property>), </emphasis> Annotation based + configuration <emphasis> (<property moreinfo="none">&lt;annotationconfiguration&gt;</property>), + </emphasis> JPA persistence based configuration <emphasis> + (<property moreinfo="none">&lt;jpaconfiguration&gt;</property>) </emphasis> and a JDBC based + configuration <emphasis> (<property moreinfo="none">&lt;jdbcconfiguration&gt;</property>) </emphasis> + for use when reverse engineering.</para> + + <para>Each have in common that they are able to build up a Hibernate Configuration object from + which a set of exporters can be run to generate various output. </para> + + <note> + <title>Note:</title> + <para>Output can be anything, e.g. specific files, statements execution against a database, + error reporting or anything else that can be done in java code.</para> + </note> + + <para>The following sections describe what the various configurations can do, plus lists the + individual settings they have.</para> + + <section> + <title>Standard Hibernate Configuration (&lt;configuration&gt;)</title> + + <para>A <emphasis> + <property moreinfo="none">&lt;configuration&gt;</property> + </emphasis> is used to define a standard Hibernate configuration. A standard Hibernate + configuration reads the mappings from a <emphasis> + <property moreinfo="none">cfg.xml</property> + </emphasis> and/or a fileset.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<configuration + configurationfile="hibernate.cfg.xml" + propertyfile="hibernate.properties" + entityresolver="EntityResolver classname" + namingstrategy="NamingStrategy classname" +> + <fileset...> + + </configuration>]]></programlisting> + + <table frame="topbot"> + <title>Configuration attributes</title> + + <tgroup cols="3"> + + <colspec colwidth="0.3*"></colspec> + + <colspec colwidth="1.0*"></colspec> + + <colspec colwidth="0.3*"></colspec> + + + <thead> + <row> + <entry>Attribute name</entry> + + <entry>Definition</entry> + + <entry>Attribute use</entry> + </row> + </thead> + + <tbody> + <row> + <entry> + <para>configurationfile</para> + </entry> + + <entry> + <para>The name of a Hibernate configuration file, e.g. "hibernate.cfg.xml"</para> + </entry> + + <entry> + <para>Optional</para> + </entry> + </row> + + <row> + <entry> + <para>propertyfile</para> + </entry> + + <entry> + <para>The name of a property file, e.g. "hibernate.properties"</para> + </entry> + + <entry> + <para>Optional</para> + </entry> + </row> + + <row> + <entry> + <para>entity-resolver</para> + </entry> + + <entry> + <para>Name of a class that implements org.xml.sax.EntityResolver. Used if the + mapping files require custom entity resolver</para> + </entry> + + <entry> + <para>Optional</para> + </entry> + </row> + + + <row> + <entry> + <para>namingstrategy</para> + </entry> + + <entry> + <para>Name of a class that implements org.hibernate.cfg.NamingStrategy. Used for + setting up the naming strategy in Hibernate which controls the automatic naming of + tables and columns.</para> + </entry> + + <entry> + <para>Optional</para> + </entry> + </row> + + <row> + <entry> + <para>fileset</para> + </entry> + + <entry> + <para>A standard Ant fileset. Used to include hibernate mapping files. Remember that + if mappings are already specified in the hibernate.cfg.xml then it should not be + included via the fileset as it will result in duplicate import exceptions.</para> + </entry> + + <entry> + <para></para> + </entry> + </row> + + </tbody> + + </tgroup> + </table> + + <section> + <title>Example</title> + + <para>This example shows an example where no <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">hibernate.cfg.xml</literal> + </property> + </emphasis> exists, and a <emphasis> + <property moreinfo="none"> hibernate.properties </property> + </emphasis> and fileset is used instead. </para> + + <note> + <title>Note:</title> + <para> Hibernate will still read any global <emphasis> + <property moreinfo="none">hibernate.properties</property> + </emphasis> available in the classpath, but the specified properties file here will + override those values for any non-global property.</para> + </note> + + <programlisting format="linespecific" role="XML"><![CDATA[<hibernatetool destdir="${build.dir}/generated"> + <configuration propertyfile="{etc.dir}/hibernate.properties"> + <fileset dir="${src.dir}"> + <include name="**/*.hbm.xml"/> + <exclude name="**/*Test.hbm.xml"/> + </fileset> + </configuration> + + <!-- list exporters here --> + +</hibernatetool>]]></programlisting> + + </section> + </section> + + <section> + <title>Annotation based Configuration (&lt;annotationconfiguration&gt;)</title> + + <para>An <emphasis> + <property moreinfo="none">&lt;annotationconfiguration&gt;</property> + </emphasis> is used when you want to read the metamodel from EJB3/Hibernate Annotations + based POJO's.</para> + + <important> + <title>Important:</title> + <para>To use it remember to put the jar files needed for using hibernate annotations in the + classpath of the <emphasis> + <property moreinfo="none">&lt;taskdef&gt;</property>, </emphasis> i. e. + hibernate-annotations.jar and hibernate-commons-annotations.jar.</para> + </important> + + <para>The <emphasis> + <property moreinfo="none">&lt;annotationconfiguration&gt;</property> + </emphasis> supports the same attributes as a <emphasis> + <property moreinfo="none">&lt;configuration&gt;</property> + </emphasis> except that the configurationfile attribute is now required as that is from + where an <literal moreinfo="none">AnnotationConfiguration</literal> gets the list of classes/packages it + should load.</para> + + <para>Thus the minimal usage is:</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hibernatetool destdir="${build.dir}/generated"> + <annotationconfiguration + configurationfile="hibernate.cfg.xml"/> + + <!-- list exporters here --> + +</hibernatetool> +]]></programlisting> + + </section> + + <section> + <title>JPA based configuration (&lt;jpaconfiguration&gt;)</title> + + <para>A <emphasis> + <property moreinfo="none">&lt;jpaconfiguration&gt;</property> + </emphasis> is used when you want to read the metamodel from JPA/Hibernate Annotation where + you want to use the auto-scan configuration as defined in the JPA spec (part of EJB3). In + other words, when you do not have a <emphasis> + <property moreinfo="none">hibernate.cfg.xml</property>, </emphasis> but instead have a setup where you use + a <emphasis> + <property moreinfo="none">persistence.xml</property> + </emphasis> packaged in a JPA compliant manner.</para> + + <para>The <emphasis> + <property moreinfo="none">&lt;jpaconfiguration&gt;</property> + </emphasis> will simply just try and auto-configure it self based on the available + classpath, e.g. look for <emphasis> + <property moreinfo="none">META-INF/persistence.xml</property>. </emphasis></para> + + <para>The <emphasis> + <property moreinfo="none">persistenceunit</property> + </emphasis> attribute can be used to select a specific persistence unit. If no <emphasis> + <property moreinfo="none">persistenceunit</property> + </emphasis> is specified it will automatically search for one and if a unique one is found, + use it, but if multiple persistence units are available it will error.</para> + + <para>To use a <emphasis> + <property moreinfo="none">&lt;jpaconfiguration&gt;</property> + </emphasis> you will need to specify some additional jars from Hibernate EntityManager in + the <emphasis> + <property moreinfo="none">&lt;taskdef&gt;</property> + </emphasis> of the hibernatetool. The following shows a full setup:</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<path id="ejb3toolslib"> + <path refid="jpatoolslib"/> <!-- ref to previously defined toolslib --> + <path location="lib/hibernate-annotations.jar" /> + <path location="lib/ejb3-persistence.jar" /> + <path location="lib/hibernate-entitymanager.jar" /> + <path location="lib/jboss-archive-browsing.jar" /> + <path location="lib/javaassist.jar" /> +</path> + +<taskdef name="hibernatetool" + classname="org.hibernate.tool.ant.HibernateToolTask" + classpathref="jpatoolslib" /> + +<hibernatetool destdir="${build.dir}"> + <jpaconfiguration persistenceunit="caveatemptor"/> + <classpath> + <!-- it is in this classpath you put your classes dir, + and/or jpa persistence compliant jar --> + <path location="${build.dir}/jpa/classes" /> + </classpath> + + <!-- list exporters here --> + +</hibernatetool> +]]></programlisting> + + + <note> + <title>Note:</title> + <para>ejb3configuration was the name used in previous versions. It still works but will emit + a warning telling you to use <literal moreinfo="none">jpaconfiguration</literal> instead.</para> + </note> + + </section> + + <section> + <title>JDBC Configuration for reverse engineering (&lt;jdbcconfiguration&gt;)</title> + + <para>A <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">&lt;jdbcconfiguration&gt;</literal> + </property> + </emphasis> is used to perform reverse engineering of the database from a JDBC connection.</para> + + <para>This configuration works by reading the connection properties either from <emphasis> + <property moreinfo="none">hibernate.cfg.xml</property> + </emphasis> or <emphasis> + <property moreinfo="none">hibernate.properties</property> + </emphasis> with a fileset.</para> + + <para>The <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">&lt;jdbcconfiguration&gt;</literal> + </property> + </emphasis> has the same attributes as a <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">&lt;configuration&gt;</literal> + </property> + </emphasis> plus the following additional attributes:</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<jdbcconfiguration + ... + packagename="package.name" + revengfile="hibernate.reveng.xml" + reversestrategy="ReverseEngineeringStrategy classname" + detectmanytomany="true|false" + detectoptmisticlock="true|false" +> + ... + </jdbcconfiguration>]]></programlisting> + + <table frame="topbot"> + <title>Jdbcconfiguration attributes</title> + + <tgroup cols="3"> + + <colspec colwidth="0.3*"></colspec> + + <colspec colwidth="1.0*"></colspec> + + <colspec colwidth="0.3*"></colspec> + + + <thead> + <row> + <entry>Attribute name</entry> + + <entry>Definition</entry> + + <entry>Attribute use</entry> + </row> + </thead> + + <tbody> + <row> + <entry> + <para>packagename</para> + </entry> + + <entry> + <para>The default package name to use when mappings for classes are created</para> + </entry> + + <entry> + <para>Optional</para> + </entry> + </row> + + <row> + <entry> + <para>revengfile</para> + </entry> + + <entry> + <para>The name of a property file, e.g. "hibernate.properties"</para> + </entry> + + <entry> + <para>Optional</para> + </entry> + </row> + + <row> + <entry> + <para>reversestrategy</para> + </entry> + + <entry> + <para>Name of a class that implements + org.hibernate.cfg.reveng.ReverseEngineeringStrategy. Used for setting up the + strategy the tools will use to control the reverse engineering, e.g. naming of + properties, which tables to include/exclude etc. Using a class instead of (or as + addition to) a reveng.xml file gives you full programmatic control of the reverse + engineering.</para> + </entry> + + <entry> + <para>Optional</para> + </entry> + </row> + + + <row> + <entry> + <para>detectManytoMany</para> + </entry> + + <entry> + <para>If true, tables which are pure many-to-many link tables will be mapped as + such. A pure many-to-many table is one which primary-key contains exactly two + foreign-keys pointing to other entity tables and has no other columns.</para> + </entry> + + <entry> + <para>Default: true</para> + </entry> + </row> + + <row> + <entry> + <para>detectOptimisticLock</para> + </entry> + + <entry> + <para>If true, columns named VERSION or TIMESTAMP with appropriate types will be + mapped with the appropriate optimistic locking corresponding to + &lt;version&gt; or &lt;timestamp&gt;.</para> + </entry> + + <entry> + <para>Default: true</para> + </entry> + </row> + + </tbody> + + </tgroup> + </table> + + <section> + <title>Example</title> + + <para>Here is an example of using <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">&lt;jdbcconfiguration&gt;</literal> + </property> + </emphasis> to generate Hibernate xml mappings via <emphasis> + <property moreinfo="none">&lt;hbm2hbmxml&gt;</property>.</emphasis> The connection settings here + is read from a <emphasis> + <property moreinfo="none"> hibernate.properties </property> + </emphasis> file but could just as well have been read from a <emphasis> + <property moreinfo="none">hibernate.cfg.xml</property>. </emphasis></para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hibernatetool> + <jdbcconfiguration propertyfile="etc/hibernate.properties" /> + <hbm2hbmxml destdir="${build.dir}/src" /> +</hibernatetool> +]]></programlisting> + </section> + </section> + </section> + + <section> + <title>Exporters</title> + + <para>Exporters are the parts that do the actual job of converting the hibernate metamodel into + various artifacts, mainly code. The following section describes the current supported set of + exporters in the <property moreinfo="none">Hibernate Tool</property> distribution. It is also possible for + userdefined exporters, that is done through the <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">&lt;hbmtemplate&gt;</literal> + </property> + </emphasis> exporter.</para> + + <section> + <title>Database schema exporter (&lt;hbm2ddl&gt;)</title> + + <para><emphasis> + <property moreinfo="none">&lt;hbm2ddl&gt;</property> + </emphasis> lets you run schemaexport and schemaupdate which generates the appropriate SQL + DDL and allow you to store the result in a file or export it directly to the database. + Remember that if a custom naming strategy is needed it is placed on the configuration + element.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hbm2ddl + export="true|false" + update="true|false" + drop="true|false" + create="true|false" + outputfilename="filename.ddl" + delimiter=";" + format="true|false" + haltonerror="true|false" + >]]></programlisting> + + <table frame="topbot"> + <title>Hbm2ddl exporter attributes</title> + + <tgroup cols="3"> + + <colspec colwidth="0.3*"></colspec> + + <colspec colwidth="1.0*"></colspec> + + <colspec colwidth="0.3*"></colspec> + + + <thead> + <row> + <entry>Attribute name</entry> + + <entry>Definition</entry> + + <entry>Attribute use</entry> + </row> + </thead> + + <tbody> + <row> + <entry> + <para>export</para> + </entry> + + <entry> + <para>Executes the generated statements against the database</para> + </entry> + + <entry> + <para>Default: true</para> + </entry> + </row> + + <row> + <entry> + <para>update</para> + </entry> + + <entry> + <para>Try and create an update script representing the "delta" + between what is in the database and what the mappings specify. Ignores + create/update attributes. (<emphasis>Do *not* use against production databases, no + guarantees at all that the proper delta can be generated nor that the underlying + database can actually execute the needed operations</emphasis>).</para> + </entry> + + <entry> + <para>Default: false</para> + </entry> + </row> + + <row> + <entry> + <para>drop</para> + </entry> + + <entry> + <para>Output will contain drop statements for the tables, indices and + constraints</para> + </entry> + + <entry> + <para>Default: false</para> + </entry> + </row> + + + <row> + <entry> + <para>create</para> + </entry> + + <entry> + <para>Output will contain create statements for the tables, indices and + constraints</para> + </entry> + + <entry> + <para>Default: true</para> + </entry> + </row> + + <row> + <entry> + <para>outputfilename</para> + </entry> + + <entry> + <para>If specified the statements will be dumped to this file</para> + </entry> + + <entry> + <para>Optional</para> + </entry> + </row> + + <row> + <entry> + <para>delimiter</para> + </entry> + + <entry> + <para>If specified the statements will be dumped to this file</para> + </entry> + + <entry> + <para>Default: ";"</para> + </entry> + </row> + + <row> + <entry> + <para>format</para> + </entry> + + <entry> + <para>Apply basic formatting to the statements</para> + </entry> + + <entry> + <para>Default: false</para> + </entry> + </row> + + <row> + <entry> + <para>haltonerror</para> + </entry> + + <entry> + <para>Halt build process if an error occurs</para> + </entry> + + <entry> + <para>Default: false</para> + </entry> + </row> + </tbody> + + </tgroup> + </table> + + <section> + <title>Example</title> + + <para>Basic example of using <emphasis> + <property moreinfo="none">&lt;hbm2ddl&gt;</property>, </emphasis> which does not export to the + database but simply dumps the sql to a file named <emphasis> + <property moreinfo="none">sql.ddl</property>. </emphasis></para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hibernatetool destdir="${build.dir}/generated"> + <configuration configurationfile="hibernate.cfg.xml"/> + <hbm2ddl export="false" outputfilename="sql.ddl"/> +</hibernatetool>]]></programlisting> + </section> + </section> + + <section> + <title>POJO java code exporter (<literal moreinfo="none">&lt;hbm2java&gt;</literal>)</title> + + <para><emphasis> + <property moreinfo="none">&lt;hbm2java&gt;</property> + </emphasis> is a java codegenerator. Options for controlling whether JDK 5 syntax can be + used and whether the POJO should be annotated with EJB3/Hibernate Annotations.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hbm2java + jdk5="true|false" + ejb3="true|false" +>]]></programlisting> + + <table frame="topbot"> + <title>Hbm2java exporter attributes</title> + + <tgroup cols="3"> + + <colspec colwidth="0.3*"></colspec> + + <colspec colwidth="1.0*"></colspec> + + <colspec colwidth="0.3*"></colspec> + + + <thead> + <row> + <entry>Attribute name</entry> + + <entry>Definition</entry> + + <entry>Default value</entry> + </row> + </thead> + + <tbody> + <row> + <entry> + <para>jdk</para> + </entry> + + <entry> + <para>Code will contain JDK 5 constructs such as generics and static imports</para> + </entry> + + <entry> + <para>False</para> + </entry> + </row> + + <row> + <entry> + <para>ejb3</para> + </entry> + + <entry> + <para>Code will contain EJB 3 features, e.g. using annotations from + javax.persistence and org.hibernate.annotations</para> + </entry> + + <entry> + <para>False</para> + </entry> + </row> + + </tbody> + + </tgroup> + </table> + + <section> + <title>Example</title> + + <para>Basic example of using <emphasis> + <property moreinfo="none">&lt;hbm2java&gt;</property> + </emphasis> to generate POJO's that utilize jdk5 constructs.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hibernatetool destdir="${build.dir}/generated"> + <configuration configurationfile="hibernate.cfg.xml"/> + <hbm2java jdk5="true"/> +</hibernatetool>]]></programlisting> + </section> + </section> + + <section> + <title>Hibernate Mapping files exporter (<literal moreinfo="none">&lt;hbm2hbmxml&gt;</literal>)</title> + + <para><emphasis> + <property moreinfo="none">&lt;hbm2hbmxml&gt;</property> + </emphasis> generates a set of .hbm files. Intended to be used together with a <emphasis> + <property moreinfo="none">&lt;jdbcconfiguration&gt;</property> + </emphasis> when performing reverse engineering, but can be used with any kind of + configuration. e.g. to convert from annotation based pojo's to <emphasis> + <property moreinfo="none">hbm.xml</property>. </emphasis></para> + + <note> + <title>Note:</title> + <para>Not every possible mapping transformation is possible/implemented (contributions + welcome) so some hand editing might be necessary.</para> + </note> + + <programlisting format="linespecific" role="XML"><![CDATA[<hbm2hbmxml/>]]></programlisting> + + <section> + <title>Example</title> + + <para>Basic usage of <emphasis> + <property moreinfo="none">&lt;hbm2hbmxml&gt;</property>. </emphasis></para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hibernatetool destdir="${build.dir}/generated"> + <configuration configurationfile="hibernate.cfg.xml"/> + <hbm2hbmxml/> +</hibernatetool>]]></programlisting> + + <para><emphasis> + <property moreinfo="none">&lt;hbm2hbmxml&gt;</property> + </emphasis> is normally used with a <emphasis> + <property moreinfo="none">&lt;jdbcconfiguration&gt;</property> + </emphasis> like in the above example, but any other configuration can also be used to + convert between the different ways of performing mappings. Here is an example of that, + using an <emphasis> + <property moreinfo="none">&lt;annotationconfiguration&gt;</property> + </emphasis>.</para> + + <note> + <title>Note:</title> + <para>Not all conversions are implemented (contributions welcome), so some hand editing + might be necessary.</para> + </note> + + <programlisting format="linespecific" role="XML"><![CDATA[<hibernatetool destdir="${build.dir}/generated"> + <annotationconfiguration configurationfile="hibernate.cfg.xml"/> + <hbm2hbmxml/> +</hibernatetool>]]></programlisting> + </section> + </section> + + <section> + <title>Hibernate Configuration file exporter (<literal moreinfo="none">&lt;hbm2cfgxml&gt;</literal>)</title> + + <para><emphasis> + <property moreinfo="none">&lt;hbm2cfgxml&gt;</property> + </emphasis> generates a <emphasis> + <property moreinfo="none">hibernate.cfg.xml</property>. </emphasis> Intended to be used together with a <emphasis> + <property moreinfo="none">&lt;jdbcconfiguration&gt;</property> + </emphasis> when performing reverse engineering, but it can be used with any kind of + configuration. The <emphasis> + <property moreinfo="none">&lt;hbm2cfgxml&gt;</property> + </emphasis> will contain the properties used and adds mapping entries for each mapped class.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hbm2cfgxml + ejb3="true|false" +/> +]]></programlisting> + + <table frame="topbot"> + <title>Hbm2cfgxml exporter attribute</title> + + <tgroup cols="3"> + + <colspec colwidth="0.3*"></colspec> + + <colspec colwidth="1.0*"></colspec> + + <colspec colwidth="0.3*"></colspec> + + + <thead> + <row> + <entry>Attribute name</entry> + + <entry>Definition</entry> + + <entry>Default value</entry> + </row> + </thead> + + <tbody> + + <row> + <entry> + <para>ejb3</para> + </entry> + + <entry> + <para>The generated cfg.xml will have &lt;mapping class=".."/&gt;, opposed + to &lt;mapping resource="..."/&gt; for each mapping.</para> + </entry> + + <entry> + <para>False</para> + </entry> + </row> + + </tbody> + + </tgroup> + </table> + + </section> + + <section> + <title>Documentation exporter (<literal moreinfo="none">&lt;hbm2doc&gt;</literal>)</title> + + <para><emphasis> + <property moreinfo="none">&lt;hbm2doc&gt;</property> + </emphasis> generates html documentation a'la javadoc for the database schema et.al.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hbm2doc/>]]></programlisting> + </section> + + <section> + <title>Query exporter (&lt;query&gt;)</title> + + <para><emphasis> + <property moreinfo="none">&lt;query&gt;</property> + </emphasis> is used to execute a HQL query statements and optionally sends the output to a + file. It can be used for verifying the mappings and for basic data extraction.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<query + destfile="filename"> + <hql>[a HQL query string]</hql> +</query> +]]></programlisting> + + <para>Currently one session is opened and used for all queries and the query is executed via + the list() method. In the future more options might become available, like performing + executeUpdate(), use named queries and etc.</para> + + <para></para> + + <section> + <title>Examples</title> + + <para>The simplest usage of <emphasis> + <property moreinfo="none">&lt;query&gt;</property> + </emphasis> will just execute the query without dumping to a file. This can be used to + verify that queries can actually be performed.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hibernatetool> + <configuration configurationfile="hibernate.cfg.xml"/> + <query>from java.lang.Object</query> +</hibernatetool>]]></programlisting> + + <para>Multiple queries can be executed by nested <emphasis> + <property moreinfo="none">&lt;hql&gt;</property> + </emphasis> elements. In this example we also let the output be dumped to <emphasis> + <property moreinfo="none">queryresult.txt</property>. </emphasis></para> + + <note> + <title>Note:</title> + <para> Currently the dump is simply a call to toString on each element.</para> + </note> + + <programlisting format="linespecific" role="XML"><![CDATA[<hibernatetool> + <configuration configurationfile="hibernate.cfg.xml"/> + <query destfile="queryresult.txt"> + <hql>select c.name from Customer c where c.age > 42</hql> + <hql>from Cat</hql> +</hibernatetool>]]></programlisting> + + </section> + </section> + + <section id="hbmtemplate"> + <title>Generic Hibernate metamodel exporter (<literal moreinfo="none">&lt;hbmtemplate&gt;</literal>)</title> + + <para>Generic exporter that can be controlled by a user provides a template or class.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hbmtemplate + filepattern="{package-name}/{class-name}.ftl" + template="somename.ftl" + exporterclass="Exporter classname" +/>]]></programlisting> + + <note> + <title>Note:</title> + <para>Previous versions of the tools used Velocity. We are now using Freemarker which + provides us much better exception and error handling.</para> + </note> + + <section> + <title>Exporter via &lt;hbmtemplate&gt;</title> + + <para>The following is an example of reverse engineering via <emphasis> + <property moreinfo="none">&lt;jdbcconfiguration&gt;</property> + </emphasis> and usage of a custom Exporter via the <emphasis> + <property moreinfo="none">&lt;hbmtemplate&gt;</property> + </emphasis>.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[ <hibernatetool destdir="${destdir}"> + <jdbcconfiguration + configurationfile="hibernate.cfg.xml" + packagename="my.model"/> + + <!-- setup properties --> + <property key="appname" value="Registration"/> + <property key="shortname" value="crud"/> + + <hbmtemplate + exporterclass="my.own.Exporter" + filepattern="."/> + +</hibernatetool> +]]></programlisting> + + </section> + <section> + <title>Relevant Resources Links</title> + + <para>Read more about <ulink url="http://velocity.apache.org/">Velocity</ulink> and <ulink url="http://freemarker.org/">Freemarker</ulink> to find out why using the last is better + or refer to Max Andersen discussion on the topic in <ulink url="http://in.relation.to/2110.lace;jsessionid=3462F47B17556604C15DF1B96572E940">"A story about FreeMarker and Velocity"</ulink>.</para> + </section> + </section> + </section> + + + + <section> + <title>Using properties to configure Exporters</title> + + <para>Exporters can be controlled by user properties. The user properties are specified via <emphasis> + <property moreinfo="none">&lt;property&gt;</property> + </emphasis> or <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">&lt;propertyset&gt;</literal> + </property> + </emphasis> and each exporter will have access to them directly in the templates and via + <property moreinfo="none">Exporter.setProperties()</property>.</para> + + <section> + <title><literal moreinfo="none">&lt;property&gt;</literal> and + <literal moreinfo="none">&lt;propertyset&gt;</literal></title> + + <para>The <emphasis> + <property moreinfo="none">&lt;property&gt;</property> + </emphasis> allows you bind a string value to a key. The value will be available in the + templates via <emphasis> + <property moreinfo="none">$&lt;key&gt;</property> + </emphasis>. The following example will assign the string value <emphasis> + <property moreinfo="none">"true"</property> + </emphasis> to the variable <emphasis> + <property moreinfo="none">$descriptors</property> + </emphasis>.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<property key="descriptors" value="true"/>]]></programlisting> + + <para>Most times using <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">&lt;property&gt;</literal> + </property> + </emphasis> is enough for specifying the properties needed for the exporters. Still the ant + tools supports the notion of <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">&lt;propertyset&gt;</literal> + </property> + </emphasis> that is used for grouping a set of properties. More about the functionality of <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">&lt;propertyset&gt;</literal> + </property> + </emphasis> is explained in detail in the <ulink url="http://ant.apache.org/manual/">Ant + manual</ulink>.</para> + </section> + + <section> + <title>Getting access to user specific classes</title> + + <para>If the templates need to access some user class it becomes possible by specifying a <emphasis> + <property moreinfo="none">"toolclass"</property> + </emphasis> in the properties.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<property key="hibernatetool.sometool.toolclass" value="x.y.z.NameOfToolClass"/> +]]></programlisting> + + <para>Placing the above <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">&lt;property&gt;</literal> + </property> + </emphasis> tag in <emphasis> + <property moreinfo="none"> + <literal moreinfo="none">&lt;hibernatetool&gt;</literal> + </property> + </emphasis> or inside any exporter will automatically create an instance of + <literal moreinfo="none">x.y.z.NameOfToolClass</literal> and it will be available in the templates as + <literal moreinfo="none">$sometool</literal>. This is useful to delegate logic and code generation to java + code instead of placing such logic in the templates.</para> + + <section> + <title>Example</title> + + <para>Here is an example that uses <emphasis> + <property moreinfo="none">&lt;hbmtemplate&gt;</property> + </emphasis> together with <emphasis> + <property moreinfo="none">&lt;property&gt;</property> + </emphasis> which will be available to the templates/exporter. </para> + <note> + <title>Note:</title> + <para> This example actually simulates what &lt;hbm2java&gt; actually does.</para> + </note> + + <programlisting format="linespecific" role="XML"><![CDATA[<hibernatetool destdir="${build.dir}/generated"> +<configuration + configurationfile="etc/hibernate.cfg.xml"/> + <hbmtemplate + templateprefix="pojo/" + template="pojo/Pojo.ftl" + filepattern="{package-name}/{class-name}.java"> + <property key="jdk5" value="true" /> + <property key="ejb3" value="true" /> + </hbmtemplate> +</hibernatetool> +]]></programlisting> + </section> + </section> + </section> +</chapter> + + +<chapter id="reverseengineering" xml:base="file:///home/ochikvina/WORK/for_compare/trunk/hibernatetools/docs/reference/en/modules/reverseengineering.xml"> + <title>Controlling reverse engineering</title> + + <para>When using the <emphasis> + <property moreinfo="none">&lt;jdbcconfiguration&gt;</property>, </emphasis> the ant task will read the + database metadata and thus will perform a reverse engineering of the database schema into a + normal Hibernate Configuration. It is from this object e.g. <emphasis> + <property moreinfo="none">&lt;hbm2java&gt;</property> + </emphasis>can generate other artifacts such as <emphasis> + <property moreinfo="none">.java</property> + </emphasis>, <emphasis> + <property moreinfo="none">.hbm.xml</property> + </emphasis> etc.</para> + + <para>To govern this process <property moreinfo="none">Hibernate</property> uses a reverse engineering strategy. A + reverse engineering strategy is mainly called to provide more java like names for tables, column + and foreignkeys into classes, properties and associations. It also used to provide mappings from + SQL types to <property moreinfo="none">Hibernate</property> types. The strategy can be customized by a user. The + user can even provide its own custom reverse engineering strategy if the provided strategy is + not enough, or simply just provide a small part of the strategy and delegate the rest to the + default strategy.</para> + + <para>Thus, further in this chapter we will discuss how you can configure the process of a reverse + engineering, what default reverse engineering strategy includes as well as some custom concepts.</para> + + <section> + <title>Default reverse engineering strategy</title> + + <para>The default strategy uses some rules for mapping JDBC artifact names to java artifact + names. It also provide basic typemappings from JDBC types to <property moreinfo="none">Hibernate</property> + types. It is the default strategy that uses the packagename attribute to convert a table name + to a fully qualified classname.</para> + </section> + + <section id="hibernaterevengxmlfile"> + <title>hibernate.reveng.xml file</title> + + <para>To have fine control over the process a <emphasis> + <property moreinfo="none">hibernate.reveng.xml</property> + </emphasis> file can be provided. In this file you can specify type mappings and table + filtering. This file can be created by hand (it's just basic XML) or you can use the + <ulink url="http://www.hibernate.org/30.html">Hibernate plugins</ulink> which have a + specialized editor.</para> + + <note> + <title>Note:</title> + <para>Many databases are case-sensitive with their names and thus if you cannot make some + table match and you are sure it is not excluded by a &lt;table-filter&gt; then check + if the case matches; most databases stores table names in uppercase.</para> + </note> + + <para>Below you can see an example of a <emphasis> + <property moreinfo="none">reveng.xml</property>. </emphasis> Following the example gives you more details + about the format.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE hibernate-reverse-engineering + SYSTEM "http://hibernate.sourceforge.net/hibernate-reverse-engineering-3.0.dtd" > + +<hibernate-reverse-engineering> + +<type-mapping> + <!-- jdbc-type is name fom java.sql.Types --> + <sql-type jdbc-type="VARCHAR" length='20' hibernate-type="SomeUserType" /> + <sql-type jdbc-type="VARCHAR" length='1' hibernate-type="yes_no" /> + <!-- length, scale and precision can be used to specify the mapping precisly --> + <sql-type jdbc-type="NUMERIC" precision='1' hibernate-type="boolean" /> + <!-- the type-mappings are ordered. This mapping will be consulted last, + thus overriden by the previous one if precision=1 for the column --> + <sql-type jdbc-type="NUMERIC" hibernate-type="long" /> +</type-mapping> + +<!-- BIN$ is recycle bin tables in Oracle --> +<table-filter match-name="BIN$.*" exclude="true" /> + +<!-- Exclude DoNotWantIt from all catalogs/schemas --> +<table-filter match-name="DoNotWantIt" exclude="true" /> + +<!-- exclude all tables from the schema SCHEMA in catalog BAD. --> +<table-filter match-catalog="BAD" match-schema="SCHEMA" match-name=".*" exclude="true" /> + +<!-- table allows you to override/define how reverse engineering + is done for a specific table --> +<table name="ORDERS"> + <primary-key> + <!-- setting up a specific id generator for a table --> + <generator class="sequence"> + <param name="table">seq_table</param> + </generator> + <key-column name="CUSTID"/> + </primary-key> + <column name="NAME" property="orderName" type="string" /> + <!-- control many-to-one and set names for a specific named foreign key constraint --> + <foreign-key constraint-name="ORDER_CUST"> + <many-to-one property="customer"/> + <set property="orders"/> + </foreign-key> + <!-- can also control a pure (shared pk) one-to-one --> + <foreign-key constraint-name="ADDRESS_PERSON"> + <one-to-one exclude="false"/> + <inverse-one-to-one exclude="true"/> + </foreign-key> +</table> + +</hibernate-reverse-engineering>]]></programlisting> + + + <section> + <title>Schema Selection (&lt;schema-selection&gt;)</title> + + <para><emphasis> + <property moreinfo="none">&lt;schema-selection&gt;</property> + </emphasis> is used to drive which schemas the reverse engineering will try and + process.</para> + + <para>By default the reverse engineering will read all schemas and then use <emphasis> + <property moreinfo="none">&lt;table-filter&gt;</property> + </emphasis> to decide which tables get reverse engineered and which do not; this makes it + easy to get started but can be inefficient on databases with many schemas.</para> + + <para>With <emphasis> + <property moreinfo="none">&lt;schema-selection&gt;</property> + </emphasis> it is thus possible to limit the actual processed schemas and thus significantly + speed-up the reverse engineering. <emphasis> + <property moreinfo="none">&lt;table-filter&gt;</property> + </emphasis> is still used to then decide which tables will be included/excluded.</para> + + <note> + <title>Note:</title> + <para>If no <literal moreinfo="none">&lt;schema-selection&gt;</literal> is specified, the reverse + engineering works as if all schemas should be processed. This is equal to: + <![CDATA[<schema-selection/>]]>. Which in turn is equal to: + <![CDATA[<schema-selection match-catalog=".*" match-schema=".*" match-table=".*"/>]]></para> + </note> + + <section> + <title>Examples</title> + + <para>The following will process all tables from <emphasis> + <property moreinfo="none">"MY_SCHEMA"</property>. + </emphasis></para> + + <programlisting format="linespecific" role="XML"><![CDATA[<schema-selection match-schema="MY_SCHEMA"/>]]></programlisting> + + <para>It is possible to have multiple <literal moreinfo="none">schema-selection</literal>'s to support + multi-schema reading or simply to limit the processing to very specific tables. The + following example processes all tables in <emphasis> + <property moreinfo="none">"MY_SCHEMA"</property>, + </emphasis> a specific <emphasis> + <property moreinfo="none">"CITY"</property> + </emphasis> table plus all tables that starts with <emphasis> + <property moreinfo="none">"CODES_"</property> + </emphasis> in <emphasis> + <property moreinfo="none">"COMMON_SCHEMA"</property>. + </emphasis></para> + + <programlisting format="linespecific" role="XML"><![CDATA[<schema-selection match-schema="MY_SCHEMA"/> +<schema-selection match-schema="COMMON_SCHEMA" match-table="CITY"/> +<schema-selection match-schema="COMMON_SCHEMA" match-table="CODES_.*"/>]]></programlisting> + </section> + </section> + + <section id="type_map"> + <title>Type mappings (&lt;type-mapping&gt;)</title> + + <para>The <emphasis> + <property moreinfo="none">&lt;type-mapping&gt;</property> + </emphasis> section specifies how the JDBC types found in the database should be mapped to + Hibernate types. e.g. <emphasis> + <property moreinfo="none">java.sql.Types.VARCHAR</property></emphasis> with a length of 1 should be mapped to the + Hibernate type <emphasis> + <property moreinfo="none">yes_no</property></emphasis> or <emphasis> + <property moreinfo="none">java.sql.Types.NUMERIC</property></emphasis> should generally just be + converted to the Hibernate type <literal moreinfo="none">long</literal>.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<type-mapping> + <sql-type + jdbc-type="integer value or name from java.sql.Types" + length="a numeric value" + precision="a numeric value" + scale="a numeric value" + not-null="true|false" + hibernate-type="hibernate type name" + /> +</type-mapping>]]></programlisting> + + <para>The number of attributes specified and the sequence of the <literal moreinfo="none">sql-type</literal>'s + is important. Meaning that <property moreinfo="none">Hibernate</property> will search for the most specific + first, and if no specific match is found it will seek from top to bottom when trying to + resolve a type mapping.</para> + + <section> + <title>Example</title> + + <para>The following is an example of a type-mapping which shows the flexibility and the + importance of ordering of the type mappings.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<type-mapping> + <sql-type jdbc-type="NUMERIC" precision="15" hibernate-type="big_decimal"/> + <sql-type jdbc-type="NUMERIC" not-null="true" hibernate-type="long" /> + <sql-type jdbc-type="NUMERIC" not-null="false" hibernate-type="java.lang.Long" /> + <sql-type jdbc-type="VARCHAR" length="1" not-null="true" + hibernate-type="java.lang.Character"/> + <sql-type jdbc-type="VARCHAR" hibernate-type="your.package.TrimStringUserType"/> + <sql-type jdbc-type="VARCHAR" length="1" hibernate-type="char"/> + <sql-type jdbc-type="VARCHAR" hibernate-type="string"/> +</type-mapping>]]></programlisting> + + <para>The following table shows how this affects an example table named <emphasis> + <property moreinfo="none">CUSTOMER</property>:</emphasis></para> + + <table frame="topbot"> + <title>sql-type examples</title> + + <tgroup cols="7"> + <colspec colwidth="0.4*"></colspec> + + <colspec colwidth="0.4*"></colspec> + + <colspec colwidth="0.2*"></colspec> + + <colspec colwidth="0.3*"></colspec> + + <colspec colwidth="0.2*"></colspec> + + <colspec colwidth="1.0*"></colspec> + + <colspec colwidth="0.7*"></colspec> + + <thead> + <row> + <entry>Column</entry> + + <entry>jdbc-type</entry> + + <entry>length</entry> + + <entry>precision</entry> + + <entry>not-null</entry> + + <entry>Resulting hibernate-type</entry> + + <entry>Rationale</entry> + </row> + </thead> + + <tbody> + <row> + <entry>ID</entry> + + <entry>INTEGER</entry> + + <entry></entry> + + <entry>10</entry> + + <entry>true</entry> + + <entry>int</entry> + + <entry>Nothing is defined for INTEGER. Falling back to default behavior.</entry> + </row> + + <row> + <entry>NAME</entry> + + <entry>VARCHAR</entry> + + <entry>30</entry> + + <entry></entry> + + <entry>false</entry> + + <entry>your.package.TrimStringUserType</entry> + + <entry>No type-mapping matches length=30 and not-null=false, but type-mapping + matches the 2 mappings which only specifies VARCHAR. The type-mapping that comes + first is chosen.</entry> + </row> + + <row> + <entry>INITIAL</entry> + + <entry>VARCHAR</entry> + + <entry>1</entry> + + <entry></entry> + + <entry>false</entry> + + <entry>char</entry> + + <entry>Even though there is a generic match for VARCHAR, the more specific + type-mapping for VARCHAR with not-null="false" is chosen. The first VARCHAR + sql-type matches in length but has no value for not-null and thus is not + considered.</entry> + </row> + + <row> + <entry>CODE</entry> + + <entry>VARCHAR</entry> + + <entry>1</entry> + + <entry></entry> + + <entry>true</entry> + + <entry>java.lang.Character</entry> + + <entry>The most specific VARCHAR with not-null="true" is selected</entry> + </row> + + <row> + <entry>SALARY</entry> + + <entry>NUMERIC</entry> + + <entry></entry> + + <entry>15</entry> + + <entry>false</entry> + + <entry>big_decimal</entry> + + <entry>There is a precise match for NUMERIC with precision 15</entry> + </row> + + <row> + <entry>AGE</entry> + + <entry>NUMERIC</entry> + + <entry></entry> + + <entry>3</entry> + + <entry>false</entry> + + <entry>java.lang.Long</entry> + + <entry>type-mapping for NUMERIC with not-null="false"</entry> + </row> + </tbody> + </tgroup> + </table> + + <para></para> + </section> + </section> + + <section> + <title>Table filters (&lt;table-filter&gt;)</title> + + <para>The <emphasis> + <property moreinfo="none">&lt;table-filter&gt;</property> + </emphasis> let you specify matching rules for performing general filtering/setup for + tables, e.g. let you include or exclude specific tables based on the schema or even a + specific prefix.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<table-filter + match-catalog="catalog_matching_rule" + match-schema="schema_matching_rule" + match-name="table_matching_rule" + exclude="true|false" + package="package.name" +/>]]></programlisting> + + <table frame="topbot"> + <title>Table-filter attributes</title> + + <tgroup cols="3"> + + <colspec colwidth="0.3*"></colspec> + + <colspec colwidth="1.0*"></colspec> + + <colspec colwidth="0.3*"></colspec> + + + <thead> + <row> + <entry>Attribute name</entry> + + <entry>Definition</entry> + + <entry>Default value</entry> + </row> + </thead> + + <tbody> + <row> + <entry><para>match-catalog</para></entry> + + <entry><para>Pattern for matching catalog part of the table</para></entry> + + <entry><para>.*</para></entry> + </row> + + <row> + <entry><para>match-schema</para></entry> + + <entry><para>Pattern for matching schema part of the table</para></entry> + + <entry><para>.*</para></entry> + </row> + + <row> + <entry><para>match-table</para></entry> + + <entry><para>Pattern for matching table part of the table</para></entry> + + <entry><para>.*</para></entry> + </row> + + <row> + <entry><para>exclude </para></entry> + + <entry><para>If true the table will not be part of the reverse + engineering</para></entry> + + <entry><para>false</para></entry> + </row> + + <row> + <entry><para>package</para></entry> + + <entry><para>The default package name to use for classes based on tables + matched by this table-filter</para></entry> + + <entry><para>""</para></entry> + </row> + </tbody> + + </tgroup> + </table> + + </section> + + <section id="tab_and_col"> + <title>Specific table configuration (&lt;table&gt;)</title> + + <para><emphasis> + <property moreinfo="none">&lt;table&gt;</property> + </emphasis> allows you to provide explicit configuration on how a table should be reverse + engineered. Amongst other things it allows controlling over the naming of a class for the + table, specifying which identifier generator should be used for the primary key etc.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<table + catalog="catalog_name" + schema="schema_name" + name="table_name" + class="ClassName" +> + <primary-key.../> + <column.../> + <foreign-key.../> + </table>]]></programlisting> + + <table frame="topbot"> + <title>Table attributes</title> + + <tgroup cols="3"> + + <colspec colwidth="0.3*"></colspec> + + <colspec colwidth="1.0*"></colspec> + + <colspec colwidth="0.3*"></colspec> + + + <thead> + <row> + <entry>Attribute name</entry> + + <entry>Definition</entry> + + <entry>Attribute use</entry> + </row> + </thead> + + <tbody> + <row> + <entry><para>catalog</para></entry> + + <entry><para>Catalog name for a table. It has to be specified if you are + reverse engineering multiple catalogs or if it is not equal to + hiberante.default_catalog.</para></entry> + + <entry><para>Optional</para></entry> + </row> + + <row> + <entry><para>schema</para></entry> + + <entry><para>Schema name for a table. It has to be specified if you are + reverse engineering multiple schemas or if it is not equal to + hiberante.default_schema.</para></entry> + + <entry><para>Optional</para></entry> + </row> + + <row> + <entry><para>name</para></entry> + + <entry><para>Name for a table.</para></entry> + + <entry><para>Required</para></entry> + </row> + + <row> + <entry><para>class</para></entry> + + <entry><para>The class name for a table. Default name is a camelcase version + of the table name.</para></entry> + + <entry><para>Optional</para></entry> + </row> + + </tbody> + + </tgroup> + </table> + + <section> + <title>&lt;primary-key&gt;</title> + + <para>A <emphasis> + <property moreinfo="none">&lt;primary-key&gt;</property> + </emphasis> allows you to define a primary-key for tables that don't have it + defined in the database, and probably more importantly it allows you to define which + identifier strategy should be used (even for already existing primary-key's).</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<primary-key + <generator class="generatorname"> + <param name="param_name">parameter value</param> + </generator> + <key-column...> + </primary-key>]]></programlisting> + + <table frame="topbot"> + <title>Primary-key attributes</title> + + <tgroup cols="3"> + + <colspec colwidth="0.3*"></colspec> + + <colspec colwidth="1.0*"></colspec> + + <colspec colwidth="0.3*"></colspec> + + + <thead> + <row> + <entry>Attribute name</entry> + + <entry>Definition</entry> + + <entry>Attribute use</entry> + </row> + </thead> + + <tbody> + <row> + <entry><para>generator/class</para></entry> + + <entry><para>Defines which identifier generator should be used. + The class name is any hibernate short hand name or fully qualified class name for an + identifier strategy.</para></entry> + + <entry><para>Optional</para></entry> + </row> + + <row> + <entry><para>generator/param</para></entry> + + <entry><para>Allows to specify which parameter with a name and + value should be passed to the identifier generator.</para></entry> + + <entry><para>Optional</para></entry> + </row> + + <row> + <entry><para>key-column</para></entry> + + <entry><para>Specifies which column(s ) the primary-key consists of. A + key-column is same as column, but does not have the exclude property.</para></entry> + + <entry><para>Optional</para></entry> + </row> + + </tbody> + + </tgroup> + </table> + + </section> + + <section> + <title>&lt;column&gt;</title> + + <para>With a <emphasis> + <property moreinfo="none">&lt;column&gt;</property> + </emphasis> it is possible to explicitly name the resulting property for a column. It is + also possible to redefine what jdbc and/or Hibernate type a column should be processed as + and finally it is possible to completely exclude a column from processing.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<column + name="column_name" + jdbc-type="java.sql.Types type" + type="hibernate_type" + property="propertyName" + exclude="true|false" +/>]]></programlisting> + + <table frame="topbot"> + <title>Column attributes</title> + + <tgroup cols="3"> + + <colspec colwidth="0.3*"></colspec> + + <colspec colwidth="1.0*"></colspec> + + <colspec colwidth="0.3*"></colspec> + + + <thead> + <row> + <entry>Attribute name</entry> + + <entry>Definition</entry> + + <entry>Attribute use</entry> + </row> + </thead> + + <tbody> + <row> + <entry><para>name</para></entry> + + <entry><para>Column name</para></entry> + + <entry><para>Required</para></entry> + </row> + + <row> + <entry><para>jdbc-type</para></entry> + + <entry><para>Which jdbc-type this column should be processed as. A + value from java.sql.Types, either numerical (93) or the constant name + (TIMESTAMP).</para></entry> + + <entry><para>Optional</para></entry> + </row> + + <row> + <entry><para>type</para></entry> + + <entry><para>Which hibernate-type to use for this specific column</para></entry> + + <entry><para>Optional</para></entry> + </row> + + + <row> + <entry><para>property</para></entry> + + <entry><para>What property name will be generated for this + column</para></entry> + + <entry><para>Optional</para></entry> + </row> + + <row> + <entry><para>exclude</para></entry> + + <entry><para>Set to true if this column should be ignored</para></entry> + + <entry><para>default: false</para></entry> + </row> + + </tbody> + + </tgroup> + </table> + + </section> + + <section> + <title>&lt;foreign-key&gt;</title> + + <para>The <emphasis> + <property moreinfo="none">&lt;foreign-key&gt;</property> + </emphasis><diffmk:wrapper diffmk:change="changed"> has two purposes. One for allowing to define foreign-keys in databases that + does not support them or does not have them defined in their schema. Secondly, to allow + defining the name of the resulting properties (many-to-one, one-to-one and one-to-many's).</diffmk:wrapper></para> + + <programlisting format="linespecific" role="XML"><![CDATA[<foreign-key + constraint-name="foreignKeyName" + foreign-catalog="catalogName" + foreign-schema="schemaName" + foreign-table="tableName" + > + <column-ref local-column="columnName" foreign-column="foreignColumnName"/> + <many-to-one + property="aPropertyName" + exclude="true|false"/> + <set + property="aCollectionName" + exclude="true|false" + + <one-to-one + property="aPropertyName" + exclude="true|false"/> + <inverse-one-to-one + property="aPropertyName" + exclude="true|false"/> + </foreign-key>]]></programlisting> + <table frame="topbot"> + <title>Foreign-key attributes</title> + + <tgroup cols="3"> + + <colspec colwidth="0.3*"></colspec> + + <colspec colwidth="1.0*"></colspec> + + <colspec colwidth="0.3*"></colspec> + + + <thead> + <row> + <entry>Attribute name</entry> + + <entry>Definition</entry> + + <entry>Attribute use</entry> + </row> + </thead> + + <tbody> + <row> + <entry><para>constraint-name</para></entry> + + <entry><para><diffmk:wrapper diffmk:change="changed">Name of the foreign key constraint. Important when + naming many-to-one, one-to-one and set. It is the constraint-name that is used to link the + processed foreign-keys with the resulting property names.</diffmk:wrapper></para></entry> + + <entry><para>Required</para></entry> + </row> + + <row> + <entry><para>foreign-catalog</para></entry> + + <entry><para>Name of the foreign table's catalog. (Only + relevant if you want to explicitly define a foreign key).</para></entry> + + <entry><para>Optional</para></entry> + </row> + + <row> + <entry><para>foreign-schema</para></entry> + + <entry><para>Name of the foreign table's schema. (Only relevant + if you want to explicitly define a foreign key).</para></entry> + + <entry><para>Optional</para></entry> + </row> + + + <row> + <entry><para>foreign-table</para></entry> + + <entry><para>Name of the foreign table. (Only relevant if you + want to explicitly define a foreign key).</para></entry> + + <entry><para>Optional</para></entry> + </row> + + <row> + <entry><para>column-ref </para></entry> + + <entry><para>Defines that the foreign-key constraint between a + local-column and foreign-column name. (Only relevant if you want to explicitly + define a foreign key).</para></entry> + + <entry><para>Optional</para></entry> + </row> + + <row> + <entry><para>many-to-one</para></entry> + + <entry><para>Defines that a many-to-one should be created and the + property attribute specifies the name of the resulting property. Exclude can be + used to explicitly define that it should be created or not.</para></entry> + + <entry><para>Optional</para></entry> + </row> + + <row> + <entry><para>set</para></entry> + + <entry><para>Defines that a set should be created based on this foreign-key + and the property attribute specifies the name of the resulting (set) property. + Exclude can be used to explicitly define that it should be created or not.</para></entry> + + <entry><para>Optional</para></entry> + </row> + + <row diffmk:change="added"> + <entry diffmk:change="added"><para diffmk:change="added"><diffmk:wrapper diffmk:change="added">one-to-one</diffmk:wrapper></para></entry> + + <entry diffmk:change="added"><para diffmk:change="added"><diffmk:wrapper diffmk:change="added">Defines that a one-to-one should be created and the + property attribute specifies the name of the resulting property. Exclude can be + used to explicitly define that it should be created or not.</diffmk:wrapper></para></entry> + + <entry diffmk:change="added"><para diffmk:change="added"><diffmk:wrapper diffmk:change="added">Optional</diffmk:wrapper></para></entry> + </row> + + <row diffmk:change="added"> + <entry diffmk:change="added"><para diffmk:change="added"><diffmk:wrapper diffmk:change="added">inverse-one-to-one</diffmk:wrapper></para></entry> + + <entry diffmk:change="added"><para diffmk:change="added"><diffmk:wrapper diffmk:change="added">Defines that an inverse one-to-one should be created based on this foreign-key + and the property attribute specifies the name of the resulting property. + Exclude can be used to explicitly define that it should be created or not.</diffmk:wrapper></para></entry> + + <entry diffmk:change="added"><para diffmk:change="added"><diffmk:wrapper diffmk:change="added">Optional</diffmk:wrapper></para></entry> + </row> + </tbody> + + </tgroup> + </table> + + </section> + </section> + </section> + + <section id="custom-reveng-strategy"> + <title>Custom strategy</title> + + <para>It is possible to implement a user strategy. Such strategy must implement <emphasis> + <property moreinfo="none">org.hibernate.cfg.reveng.ReverseEngineeringStrategy</property>. + </emphasis> It is recommended that one uses the + <property moreinfo="none">DelegatingReverseEngineeringStrategy</property> and provide a public constructor + which takes another <property moreinfo="none">ReverseEngineeringStrategy </property> as an argument. This will + allow you to only implement the relevant methods and provide a fallback strategy. Example of + custom delegating strategy which converts all column names that ends with <emphasis> + <property moreinfo="none">"PK"</property> + </emphasis> into a property named <emphasis> + <property moreinfo="none">"id"</property>. + </emphasis></para> + + <programlisting format="linespecific" role="JAVA"><![CDATA[public class ExampleStrategy extends DelegatingReverseEngineeringStrategy { + + public ExampleStrategy(ReverseEngineeringStrategy delegate) { + super(delegate); + } + + public String columnToPropertyName(TableIdentifier table, String column) { + if(column.endsWith("PK")) { + return "id"; + } else { + return super.columnToPropertyName(table, column); + } + } +}]]></programlisting> + </section> + + <section> + <title>Custom Database Metadata</title> + + <para>By default the reverse engineering is performed by reading using the JDBC database + metadata API. This is done via the class <emphasis> + <property moreinfo="none">org.hibernate.cfg.reveng.dialect.JDBCMetaDataDialect</property> + </emphasis> which is an implementation of <emphasis> + <property moreinfo="none">org.hibernate.cfg.reveng.dialect.MetaDataDialect</property>. + </emphasis></para> + + <para>The default implementation can be replaced with an alternative implementation by setting + the property <emphasis> + <property moreinfo="none">hibernatetool.metadatadialect</property> + </emphasis> to a fully qualified classname for a class that implements + <property moreinfo="none">JDBCMetaDataDialect</property>.</para> + + <para>This can be used to provide database specific optimized metadata reading. If you create an + optimized/better metadata reading for your database it will be a very welcome + contribution.</para> + </section> +</chapter> + + +<chapter id="codegen" xml:base="file:///home/ochikvina/WORK/for_compare/trunk/hibernatetools/docs/reference/en/modules/codegen.xml"> + <title>Controlling POJO code generation</title> + + <para>When using <emphasis> + <property moreinfo="none">&lt;hbm2java&gt;</property> + </emphasis> or the eclipse plugin to generate POJO java code you have the possibility to control + certain aspects of the code generation. This is primarily done with the <emphasis> + <property moreinfo="none">&lt;meta&gt;</property> + </emphasis> tag in the mapping files. The following section describes the possible <emphasis> + <property moreinfo="none">&lt;meta&gt;</property> + </emphasis> tags and their use.</para> + + <section> + <title>The <literal moreinfo="none">&lt;meta&gt;</literal> attribute</title> + + <para>The <emphasis> + <property moreinfo="none">&lt;meta&gt;</property> + </emphasis> tag is a simple way of annotating the <emphasis> + <property moreinfo="none">hbm.xml</property> + </emphasis> with information, so tools have a natural place to store/read information that is + not directly related to the Hibernate core.</para> + + <para>You can use the <emphasis> + <property moreinfo="none">&lt;meta&gt;</property> + </emphasis> tag to e.g. tell <emphasis> + <property moreinfo="none">&lt;hbm2java&gt;</property> + </emphasis> to only generate <emphasis> + <property moreinfo="none">"protected"</property> + </emphasis> setters, have classes always implement a certain set of interfaces or even have + them extend a certain base class and even more.</para> + + <para>The following example shows how to use various <emphasis> + <property moreinfo="none">&lt;meta&gt;</property> + </emphasis> attributes and the resulting java code.</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<class name="Person"> + <meta attribute="class-description"> + Javadoc for the Person class + @author Frodo + </meta> + <meta attribute="implements">IAuditable</meta> + <id name="id" type="long"> + <meta attribute="scope-set">protected</meta> + <generator class="increment"/> + </id> + <property name="name" type="string"> + <meta attribute="field-description">The name of the person</meta> + </property> +</class>]]></programlisting> + + <para>The above <emphasis> + <property moreinfo="none">hbm.xml</property> + </emphasis> will produce something like the following (code shortened for better + understanding). Notice the Javadoc comment and the protected set methods:</para> + + <programlisting format="linespecific" role="JAVA"><![CDATA[// default package + +import java.io.Serializable; +import org.apache.commons.lang.builder.EqualsBuilder; +import org.apache.commons.lang.builder.HashCodeBuilder; +import org.apache.commons.lang.builder.ToStringBuilder; + +/** + * Javadoc for the Person class + * @author Frodo + */ +public class Person implements Serializable, IAuditable { + + public Long id; + + public String name; + + public Person(java.lang.String name) { + this.name = name; + } + + public Person() { + } + + public java.lang.Long getId() { + return this.id; + } + + protected void setId(java.lang.Long id) { + this.id = id; + } + + /** + * The name of the person + */ + public java.lang.String getName() { + return this.name; + } + + public void setName(java.lang.String name) { + this.name = name; + } + +}]]></programlisting> + + <table frame="topbot"> + <title>Supported meta tags</title> + + <tgroup cols="2"> + <colspec colwidth="1.0*"></colspec> + + <colspec colwidth="2*"></colspec> + + <thead> + <row> + <entry>Attribute</entry> + + <entry>Description</entry> + </row> + </thead> + + <tbody> + <row> + <entry> + <literal moreinfo="none">class-description</literal> + </entry> + + <entry>inserted into the javadoc for classes</entry> + </row> + + <row> + <entry> + <literal moreinfo="none">field-description</literal> + </entry> + + <entry>inserted into the javadoc for fields/properties</entry> + </row> + + <row> + <entry> + <literal moreinfo="none">interface</literal> + </entry> + + <entry>If true, an interface is generated instead of an class.</entry> + </row> + + <row> + <entry> + <literal moreinfo="none">implements</literal> + </entry> + + <entry>interface the class should implement</entry> + </row> + + <row> + <entry> + <literal moreinfo="none">extends</literal> + </entry> + + <entry>class that the current class should extend (ignored for subclasses)</entry> + </row> + + <row> + <entry> + <literal moreinfo="none">generated-class</literal> + </entry> + + <entry>overrule the name of the actual class generated</entry> + </row> + + <row> + <entry> + <literal moreinfo="none">scope-class</literal> + </entry> + + <entry>scope for class</entry> + </row> + + <row> + <entry> + <literal moreinfo="none">scope-set</literal> + </entry> + + <entry>scope for setter method</entry> + </row> + + <row> + <entry> + <literal moreinfo="none">scope-get</literal> + </entry> + + <entry>scope for getter method</entry> + </row> + + <row> + <entry> + <literal moreinfo="none">scope-field</literal> + </entry> + + <entry>scope for actual field</entry> + </row> + + <row> + <entry> + <literal moreinfo="none">default-value</literal> + </entry> + + <entry>default initialization value for a field</entry> + </row> + + <row> + <entry> + <literal moreinfo="none">use-in-tostring</literal> + </entry> + + <entry>include this property in the <literal moreinfo="none">toString()</literal></entry> + </row> + + <row> + <entry> + <literal moreinfo="none">use-in-equals</literal> + </entry> + + <entry>include this property in the <literal moreinfo="none">equals()</literal><diffmk:wrapper diffmk:change="changed"> and + </diffmk:wrapper><literal moreinfo="none">hashCode()</literal> method. If no use-in-equals is specified, no + equals/hashcode will be generated.</entry> + </row> + + <row> + <entry> + <literal moreinfo="none">gen-property</literal> + </entry> + + <entry>property will not be generated if false (use with care)</entry> + </row> + + <row> + <entry> + <literal moreinfo="none">property-type</literal> + </entry> + + <entry>Overrides the default type of property. Use this with any tag's to specify the + concrete type instead of just Object.</entry> + </row> + + <row> + <entry> + <literal moreinfo="none">class-code</literal> + </entry> + + <entry>Extra code that will inserted at the end of the class</entry> + </row> + + <row> + <entry> + <literal moreinfo="none">extra-import</literal> + </entry> + + <entry>Extra import that will inserted at the end of all other imports</entry> + </row> + </tbody> + </tgroup> + </table> + + <para>Attributes declared via the <emphasis> + <property moreinfo="none">&lt;meta&gt;</property> + </emphasis> tag are per default <emphasis> + <property moreinfo="none">"inherited"</property> + </emphasis> inside an <emphasis> + <property moreinfo="none">hbm.xml</property> + </emphasis> file.</para> + + <para>What does that mean? It means that if you e.g want to have all your classes implement + <literal moreinfo="none">IAuditable</literal> then you just add an <emphasis> &lt;meta + attribute="implements"&gt;IAuditable&lt;/meta&gt;</emphasis> in the top of the <emphasis> + <property moreinfo="none">hbm.xml</property> + </emphasis> file, just after <emphasis> + <property moreinfo="none">&lt;hibernate-mapping&gt;</property>. </emphasis> Now all classes defined + in that <emphasis> + <property moreinfo="none">hbm.xml</property> + </emphasis> file will implement <literal moreinfo="none">IAuditable</literal>!</para> + + <note> + <title>Note:</title> + <para>This applies to <emphasis>all</emphasis> + <literal moreinfo="none">&lt;meta&gt;</literal>-tags. Thus it can also e.g. be used to specify that + all fields should be declare protected, instead of the default private. This is done by + adding <literal moreinfo="none"><diffmk:wrapper diffmk:change="changed">&lt;meta + attribute="scope-field"&gt;protected&lt;/meta&gt;</diffmk:wrapper></literal> at e.g. just under + the <literal moreinfo="none">&lt;class&gt;</literal> tag and all fields of that class will be + protected.</para> + </note> + + <para>To avoid having a <emphasis> + <property moreinfo="none">&lt;meta&gt;</property> + </emphasis> tag inherited then you can simply specify <emphasis> inherit = "false"</emphasis> + for the attribute, e.g. <emphasis> &lt;meta attribute = "scope-class" inherit = + "false"&gt;public abstract&lt;/meta&gt;</emphasis> will restrict the <emphasis> + <property moreinfo="none">"class-scope"</property> + </emphasis> to the current class, not the subclasses.</para> + + <section> + <title>Recommendations</title> + + <para>The following are some good practices when using <emphasis> + <property moreinfo="none">&lt;meta&gt;</property> + </emphasis> attributes.</para> + + <section> + <title>Dangers of a class level <literal moreinfo="none">use-in-string and use-in-equals</literal> meta + attributes when having bi-directional associations</title> + + <para>If we have two entities with a bi-directional association between them and define at + class scope level the meta attributes: <emphasis> + <property moreinfo="none">use-in-string</property>, </emphasis> + <emphasis> + <property moreinfo="none">use-in-equals</property>: </emphasis></para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hibernate-mapping> + <class name="Person"> + <meta attribute="use-in-tostring">true</meta> + <meta attribute="use-in-equals">true</meta> + ... + </class> +</hibernate-mapping>]]></programlisting> + + <para>And for <emphasis> + <property moreinfo="none">Event.hbm</property> + </emphasis> file:</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hibernate-mapping> + <class name="events.Event" table="EVENTS"> + <meta attribute="use-in-tostring">true</meta> + <meta attribute="use-in-equals">true</meta> + <id name="id" column="EVENT_ID"> + <generator class="native"/> + </id> + <property name="date" type="timestamp" column="EVENT_DATE"/> + <property name="title"/> + <set name="participants" table="PERSON_EVENT" inverse="true"> + <key column="EVENT_ID"/> + <many-to-many column="PERSON_ID" class="events.Person"/> + </set> + </class> +</hibernate-mapping>]]></programlisting> + + <para>Then <emphasis> + <property moreinfo="none">&lt;hbm2java&gt;</property> + </emphasis> will assume you want to include all properties and collections in the + <property moreinfo="none">toString()/equals()</property> methods and this can result in infinite + recursive calls.</para> + + <para>To remedy this you have to decide which side of the association will include the other + part (if at all) in the <property moreinfo="none">toString()/equals()</property> methods. Therefore it is + not a good practice to put at class scope such <emphasis> + <property moreinfo="none">meta</property> + </emphasis> attributes, unless you are defining a class without bi-directional + associations.</para> + + <para>We recomend instead to add the <emphasis> + <property moreinfo="none">meta</property> + </emphasis> attributes at the property level:</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hibernate-mapping> + <class name="events.Event" table="EVENTS"> + <id name="id" column="EVENT_ID"> + <meta attribute="use-in-tostring">true</meta> + <generator class="native"/> + </id> + <property name="date" type="timestamp" column="EVENT_DATE"/> + <property name="title"> + <meta attribute="use-in-tostring">true</meta> + <meta attribute="use-in-equals">true</meta> + </property> + <set name="participants" table="PERSON_EVENT" inverse="true"> + <key column="EVENT_ID"/> + <many-to-many column="PERSON_ID" class="events.Person"/> + </set> + </class> +</hibernate-mapping>]]></programlisting> + + <para>and now for <property moreinfo="none">Person</property>:</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hibernate-mapping> + <class name="Person"> + <meta attribute="class-description"> + Javadoc for the Person class + @author Frodo + </meta> + <meta attribute="implements">IAuditable</meta> + <id name="id" type="long"> + <meta attribute="scope-set">protected</meta> + <meta attribute="use-in-tostring">true</meta> + <generator class="increment"/> + </id> + <property name="name" type="string"> + <meta attribute="field-description">The name of the person</meta> + <meta attribute="use-in-tostring">true</meta> + </property> + </class> +</hibernate-mapping>]]></programlisting> + </section> + + <section> + <title>Be aware of putting at class scope level <literal moreinfo="none">&lt;meta&gt;</literal> + attribute <literal moreinfo="none">use-in-equals</literal></title> + + <para>For <property moreinfo="none">equal()/hashCode()</property> method generation, you have to take into + account that the attributes that participate on such method definition, should take into + account only attributes with business meaning (the name, social security number, etc, but + no generated id's, for example).</para> + + <para>This is important because Java's hashbased collections, such as + <property moreinfo="none">java.util.Set</property> relies on <property moreinfo="none">equals()</property> and + <property moreinfo="none">hashcode()</property> to be correct and not change for objects in the set; + this can be a problem if the id gets assigned for an object after you inserted it into a + set.</para> + + <para>Therefore automatically configuration of the generation of + <property moreinfo="none">equals()/hashCode()</property> methods specifying at class scope level the <emphasis> + <property moreinfo="none">&lt;meta&gt;</property> + </emphasis> attribute <emphasis> + <property moreinfo="none">use-in-equals</property> + </emphasis><diffmk:wrapper diffmk:change="changed"> could be a dangerous decision that could produce non expected + side-effect.</diffmk:wrapper></para> + + <para><ulink url="http://www.hibernate.org/109.html">Here</ulink> you can get more in-depth + explanation on the subject of <property moreinfo="none">equals()</property><diffmk:wrapper diffmk:change="changed"> and + </diffmk:wrapper><property moreinfo="none">hashcode()</property>.</para> + </section> + </section> + + <section> + <title>Advanced &lt;meta&gt; attribute examples</title> + + <para>This section shows an example for using meta attributes (including userspecific + attributes) together with the code generation features in <property moreinfo="none"><diffmk:wrapper diffmk:change="changed">Hibernate + Tools</diffmk:wrapper></property>.</para> + + <para>The usecase being implemented is to automatically insert some pre- and post-conditions + into the getter and setters of the generated POJO. </para> + + <section> + <title>Generate pre/post-conditions for methods</title> + + <para>With a <emphasis> &lt;meta attribute="class-code"&gt;</emphasis>, you can add + additional methods on a given class, nevertheless such <emphasis> + <property moreinfo="none">&lt;meta&gt;</property> + </emphasis> attribute can not be used at a property scope level and <property moreinfo="none">Hibernate + Tools</property> does not provide such <emphasis> + <property moreinfo="none">&lt;meta&gt;</property> + </emphasis> attributes.</para> + + <para>A possible solution for this is to modify the freemarker templates responsible for + generating the POJO's. If you look inside <emphasis> + <property moreinfo="none">hibernate-tools.jar</property>, </emphasis> you can find the template: <emphasis> + <property moreinfo="none">pojo/PojoPropertyAccessor.ftl</property> + </emphasis></para> + + <para><diffmk:wrapper diffmk:change="changed">This file is as the name indicates used to generate property accessors for + pojo's.</diffmk:wrapper></para> + + <para>Extract the <emphasis> + <property moreinfo="none">PojoPropertyAccessor.ftl</property> + </emphasis> into a local folder i.e. <emphasis> + <property moreinfo="none">${hbm.template.path}</property>, </emphasis> respecting the whole path, for + example: <emphasis> + <property moreinfo="none">${hbm.template.path}/pojo/PojoPropertyAccessor.ftl</property> + </emphasis></para> + + <para>The contents of the file is something like this:</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<#foreach property in pojo.getAllPropertiesIterator()> + ${pojo.getPropertyGetModifiers(property)} + ${pojo.getJavaTypeName(property, jdk5)} + ${pojo.getGetterSignature(property)}() { + return this.${property.name}; + } + + ${pojo.getPropertySetModifiers(property)} void set${pojo.getPropertyName(property)} + (${pojo.getJavaTypeName(property, jdk5)} ${property.name}) + { + this.${property.name} = ${property.name}; + } +</#foreach>]]></programlisting> + + <para>We can add conditionally pre/post-conditions on our <literal moreinfo="none">set</literal> method + generation just adding a little Freemarker syntax to the above source code:</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<#foreach property in pojo.getAllPropertiesIterator()> + ${pojo.getPropertyGetModifiers(property)} + ${pojo.getJavaTypeName(property, jdk5)} + ${pojo.getGetterSignature(property)}() + { + return this.${property.name}; + } + + ${pojo.getPropertySetModifiers(property)} void set${pojo.getPropertyName(property)} + (${pojo.getJavaTypeName(property, jdk5)} ${property.name}) + { + <#if pojo.hasMetaAttribute(property, "pre-cond")> + ${c2j.getMetaAsString(property, "pre-cond","\n")} + </#if> + this.${property.name} = ${property.name}; + <#if pojo.hasMetaAttribute(property, "post-cond")> + ${c2j.getMetaAsString(property, "post-cond","\n")} + </#if> +} +</#foreach>]]> +</programlisting> + + <para>Now if in any <emphasis> + <property moreinfo="none">.hbm.xml</property> + </emphasis> file we define the <emphasis> + <property moreinfo="none">&lt;meta&gt;</property> + </emphasis> attributes: <literal moreinfo="none">pre-cond</literal> or <literal moreinfo="none">post-cond</literal>, their + contents will be generated into the body of the relevant <literal moreinfo="none">set</literal><diffmk:wrapper diffmk:change="changed"> + method.</diffmk:wrapper></para> + + <para>As an example let us add a pre-condition for property <literal moreinfo="none">name</literal> + preventing no <property moreinfo="none">Person</property><diffmk:wrapper diffmk:change="changed"> can have an empty name. Hence we have to modify + the </diffmk:wrapper><emphasis> + <property moreinfo="none">Person.hbm.xml</property> + </emphasis> file like this:</para> + + <programlisting format="linespecific" role="XML"><![CDATA[<hibernate-mapping> + <class name="Person"> + <id name="id" type="long"> + <generator class="increment"/> + </id> + <property name="firstName" type="string"> + <meta attribute="pre-cond"> + if ((firstName != null) &amp;&amp; (firstName.length() == 0) ) { + throw new IllegalArgumentException("firstName can not be an empty String"); + } + </meta> + </property> +</class> +</hibernate-mapping>]]></programlisting> + + <note> + <title>Note:</title> + <para>I) To escape the &amp; symbol we put &amp;amp;. You can use + &lt;![CDATA[]]&gt; instead.</para> + <para>II) Note that we are referring to "firstName" directly and this is the parameter + name not the actual field name. If you want to refer the field you have to use + "this.firstName" instead. </para> + </note> + + <para>Finally we have to generate the <emphasis> + <property moreinfo="none">Person.java</property> + </emphasis> class, for this we can use both Eclipse and Ant as long as you remember to set + or fill in the templatepath setting. For Ant we configure <emphasis> + <property moreinfo="none">&lt;hibernatetool&gt;</property> + </emphasis> task via <literal moreinfo="none">the templatepath</literal> attribute as in:</para> + + <programlisting format="linespecific" role="XML"><![CDATA[ + <target name="hbm2java"> + <taskdef name="hibernatetool" + classname="org.hibernate.tool.ant.HibernateToolTask" + classpathref="lib.classpath"/> + <hibernatetool destdir="${hbm2java.dest.dir}" + templatepath="${hbm.template.path}"> + <classpath> + <path refid="pojo.classpath"/> + </classpath> + <configuration> + <fileset dir="${hbm2java.src.dir}"> + <include name="**/*.hbm.xml"/> + </fileset> + </configuration> + <hbm2java/> + </hibernatetool> + </target>]]></programlisting> + + <para>Invoking the target <emphasis> + <property moreinfo="none">&lt;hbm2java&gt;</property> + </emphasis> will generate on the <emphasis> + <property moreinfo="none">${hbm2java.dest.dir}</property> + </emphasis> the file <emphasis> + <property moreinfo="none">Person.java</property> + </emphasis>:</para> + + <programlisting format="linespecific" role="JAVA"><![CDATA[// default package +import java.io.Serializable; +public class Person implements Serializable { + + public Long id; + + public String name; + + public Person(java.lang.String name) { + this.name = name; + } + + public Person() { + } + + public java.lang.Long getId() { + return this.id; + } + + public void setId(java.lang.Long id) { + this.id = id; + } + + public java.lang.String getName() { + return this.name; + } + + public void setName(java.lang.String name) { + if ((name != null) &amp;&amp; (name.length() == 0)) { + throw new IllegalArgumentException("name can not be an empty String"); + } + this.name = name; + } + }]]></programlisting> + + <para><diffmk:wrapper diffmk:change="added">In conclusion, this document is intended to introduce you to Hibernate plugin specific + features related to tools bath for the Eclipse and Ant tasks.</diffmk:wrapper></para> + + <para><diffmk:wrapper diffmk:change="added">In the </diffmk:wrapper><link diffmk:change="added" linkend="plugins"><diffmk:wrapper diffmk:change="added">Eclipse Plugins</diffmk:wrapper></link><diffmk:wrapper diffmk:change="added"> chapter you've learnt + about a set of wizards for creating Mapping files, Configuration file, Console + Configuration, got familiar with Mapping and Configuration files editors, tooling for + organizing and controlling Reverse Engineering, Hibernate Console and Mapping diagram as + well.</diffmk:wrapper></para> + + <para diffmk:change="added"><diffmk:wrapper diffmk:change="added">The rest chapters have shown the aspects of using the </diffmk:wrapper><property moreinfo="none"><diffmk:wrapper diffmk:change="changed">Hibernate + Tools</diffmk:wrapper></property><diffmk:wrapper diffmk:change="added"> via Ant tasks.</diffmk:wrapper></para> + + <para diffmk:change="added"><diffmk:wrapper diffmk:change="added">Please, visit </diffmk:wrapper><ulink diffmk:change="added" url="http://www.jboss.com/index.html?module=bb&amp;op=viewforum&... diffmk:change="added">JBoss + Tools Users Forum</diffmk:wrapper></ulink><diffmk:wrapper diffmk:change="added"> to leave questions or/and suggestions on the topic. Your + feedback is always appreciated.</diffmk:wrapper></para> + </section> + </section> + + </section> + +</chapter> + + + + </book> Modified: branches/jbosstools-3.0.0.CR1/hibernatetools/docs/reference/en/modules/plugins.xml =================================================================== --- branches/jbosstools-3.0.0.CR1/hibernatetools/docs/reference/en/modules/plugins.xml 2008-12-19 19:41:47 UTC (rev 12777) +++ branches/jbosstools-3.0.0.CR1/hibernatetools/docs/reference/en/modules/plugins.xml 2008-12-19 19:47:46 UTC (rev 12778) @@ -27,7 +27,7 @@ </note> </section> - <section id="map_file_wizard" revisionflag="added"> + <section id="map_file_wizard"> <title>Creating a Hibernate Mapping File</title> <para>Hibernate mapping files are used to specify how your objects are related to database @@ -136,7 +136,7 @@ </emphasis> for the basis of a Console configuration.</para> </section> - <section id="console_conf" role="updated"> + <section id="console_conf" > <title>Creating a Hibernate Console Configuration</title> <para>A Console configuration describes how the <property>Hibernate plugin</property> should @@ -1235,7 +1235,7 @@ </section> </section> - <section id="map_config_struct_editor" revisionflag="added"> + <section id="map_config_struct_editor" > <title>Structured Hibernate Mapping and Configuration File Editor</title> <para>The structured editor represents the file in the tree form. It also allows to modify the structure of the file and its elements with the help of tables provided on the right-hand @@ -1566,7 +1566,7 @@ </section> </section> - <section revisionflag="changed"> + <section> <title>Prototyping Queries</title> <para>Queries can be prototyped by entering them in the <property>HQL</property> or @@ -1735,7 +1735,7 @@ </section> </section> - <section id="dali_integration" role="new"> + <section id="dali_integration"> <title>Hibernate support for Dali plugins in Eclipse WTP</title> <para>Starting from 3.0.0 Alpha1 version of <property>JBoss Tools</property> Hibernate plugins Modified: branches/jbosstools-3.0.0.CR1/hibernatetools/docs/reference/en/modules/reverseengineering.xml =================================================================== --- branches/jbosstools-3.0.0.CR1/hibernatetools/docs/reference/en/modules/reverseengineering.xml 2008-12-19 19:41:47 UTC (rev 12777) +++ branches/jbosstools-3.0.0.CR1/hibernatetools/docs/reference/en/modules/reverseengineering.xml 2008-12-19 19:47:46 UTC (rev 12778) @@ -1,5 +1,5 @@ <?xml version="1.0" encoding="ISO-8859-1"?> -<chapter id="reverseengineering"> +<chapter id="reverseengineering" role="updated"> <title>Controlling reverse engineering</title> <para>When using the <emphasis> @@ -33,7 +33,7 @@ to a fully qualified classname.</para> </section> - <section id="hibernaterevengxmlfile"> + <section id="hibernaterevengxmlfile" role="updated"> <title>hibernate.reveng.xml file</title> <para>To have fine control over the process a <emphasis>