[jboss-cvs] JBossAS SVN: r73249 - projects/docs/trunk/AS_4/Server_Configuration_Guide/zh-CN.
jboss-cvs-commits at lists.jboss.org
jboss-cvs-commits at lists.jboss.org
Sun May 11 22:08:44 EDT 2008
Author: xhuang at jboss.com
Date: 2008-05-11 22:08:44 -0400 (Sun, 11 May 2008)
New Revision: 73249
Modified:
projects/docs/trunk/AS_4/Server_Configuration_Guide/zh-CN/The_CMP_Engine.po
Log:
update
Modified: projects/docs/trunk/AS_4/Server_Configuration_Guide/zh-CN/The_CMP_Engine.po
===================================================================
--- projects/docs/trunk/AS_4/Server_Configuration_Guide/zh-CN/The_CMP_Engine.po 2008-05-11 12:05:13 UTC (rev 73248)
+++ projects/docs/trunk/AS_4/Server_Configuration_Guide/zh-CN/The_CMP_Engine.po 2008-05-12 02:08:44 UTC (rev 73249)
@@ -9,7 +9,7 @@
"Project-Id-Version: The_CMP_Engine\n"
"Report-Msgid-Bugs-To: http://bugs.kde.org\n"
"POT-Creation-Date: 2007-11-05 06:04+0000\n"
-"PO-Revision-Date: 2008-05-11 22:04+1000\n"
+"PO-Revision-Date: 2008-05-12 12:08+1000\n"
"Last-Translator: Xi HUANG <xhuang at redhat.com>\n"
"Language-Team: <en at li.org>\n"
"MIME-Version: 1.0\n"
@@ -2760,12 +2760,16 @@
"contain a pair of <literal>ejb-relationship-role</literal> elements as "
"described in the following section."
msgstr ""
+"<literal>ejb-relation</literal> 元素必须包含 <literal>foreign-key-mapping</literal> 或 <literal>relation-table-"
+"mapping</literal> 元素，我们分别在 <xref linkend="
+"\"Relationship_Mapping-Foreign_Key_Mapping\"/> 和 <xref linkend="
+"\"Relationship_Mapping-Relation_table_Mapping\"/> 里对它们进行描述。这个元素也可以包含下面章节里描述的一对 <literal>ejb-relationship-role</literal> 元素。"
#. Tag: title
#: The_CMP_Engine.xml:647
-#, fuzzy, no-c-format
+#, no-c-format
msgid "Relationship Role Mapping"
-msgstr "对象/关系数据库映射基础（Basic O/R Mapping）"
+msgstr "关系角色映射（Relationship Role Mapping）"
#. Tag: para
#: The_CMP_Engine.xml:648
@@ -2777,18 +2781,20 @@
"<xref linkend=\"Relationship_Role_Mapping-"
"The_jbosscmp_jdbc_ejb_relationship_role_element_content_model\"/> ."
msgstr ""
+"两个 <literal>ejb-relationship-role</literal> 元素都包含关于 entity 的映射信息。<xref linkend=\"Relationship_Role_Mapping-"
+"The_jbosscmp_jdbc_ejb_relationship_role_element_content_model\"/> 展示了 <literal>ejb-relationship-role</literal> 元素的内容格式。"
#. Tag: title
#: The_CMP_Engine.xml:652
-#, fuzzy, no-c-format
+#, no-c-format
msgid "The jbosscmp-jdbc ejb-relationship-role element content model"
-msgstr "The descriptors element content model"
+msgstr "jbosscmp-jdbc 文件里的 ejb-relationship-role 元素的内容格式"
#. Tag: para
#: The_CMP_Engine.xml:659
#, no-c-format
msgid "A detailed description of the main elements follows:"
-msgstr ""
+msgstr "下面是对 main 元素的详细描述："
#. Tag: para
#: The_CMP_Engine.xml:664
@@ -2798,7 +2804,7 @@
"element gives the name of the role to which this configuration applies. It "
"must match the name of one of the roles declared for this relationship in "
"the <literal>ejb-jar.xml</literal> file."
-msgstr ""
+msgstr "<emphasis role=\"bold\">ejb-relationship-role-name</emphasis>：这是一个必需元素，它给出这个配置所适用的角色的名称。它必须匹配 <literal>ejb-jar.xml</literal> 文件里针对这个关系所声明的角色的名称。"
#. Tag: para
#: The_CMP_Engine.xml:669
@@ -2809,7 +2815,7 @@
"constraint to the tables for this side of the relationship. JBoss will only "
"add generate the constraint if both the primary table and the related table "
"were created by JBoss during deployment."
-msgstr ""
+msgstr "<emphasis role=\"bold\">fk-constraint</emphasis>：这个值为 true/false 的可选元素指定 JBoss 是否应该在这一边的关系的表里添加外键约束。只有主表和相关的表都在部署期间创建时，JBoss 才生成这个约束。"
#. Tag: para
#: The_CMP_Engine.xml:674
@@ -2824,19 +2830,18 @@
"is needed for this side of the relation. An example of this would be the "
"many side of a one-to-many relationship. The details of this element are "
"described below."
-msgstr ""
+msgstr "<emphasis role=\"bold\">key-fields</emphasis>：这个可选元素指定当前 entity 的主键字段的映射，无论它是在关系表还是对象里进行映射。对于当前 entity 的每个主键字段，<literal>key-fields</literal> 元素都必须包含一个 <literal>key-field</literal> 元素。如果这一侧的关系不需要外键映射，则 <literal>key-fields</literal> 元素可以为空。在一对多的关系里，“多”的一侧就是这样的一个例子。下面是关于这个元素的细节。"
#. Tag: para
#: The_CMP_Engine.xml:679
-#, fuzzy, no-c-format
+#, no-c-format
msgid ""
"<emphasis role=\"bold\">read-ahead</emphasis>: This optional element "
"controls the caching of this relationship. This option is discussed in <xref "
"linkend=\"Lazy_loading_Process-Relationships\"/>."
msgstr ""
-"<emphasis role=\"bold\">PartitionConfig</emphasis> 是一个用来为这个群集（参"
-"看 <xref linkend=\"jbosscache-jgroups\"/>）指定 JGroup 配置选项的元素"
-"（element）。"
+"<emphasis role=\"bold\">read-ahead</emphasis>：这是一个可选元素，它控制关系的缓存。<xref "
+"linkend=\"Lazy_loading_Process-Relationships\"/> 将讨论这个选项。"
#. Tag: para
#: The_CMP_Engine.xml:684
@@ -2847,6 +2852,8 @@
"statement. This requires that the relationship be marked as <literal>batch-"
"delete</literal> in the <literal>ejb-jar.xml</literal>."
msgstr ""
+"<emphasis role=\"bold\">batch-cascade-delete</emphasis>：它指出对这个关系的层叠删除（cascade delete）应该用单个的 SQL 语句来完成。这要求这个关系在 <literal>ejb-jar.xml</literal> 里标记为 <literal>batch-"
+"delete</literal>。"
#. Tag: para
#: The_CMP_Engine.xml:689
@@ -2871,6 +2878,9 @@
"illustrates the creation of a new bean configuration that uses "
"<literal>insert-after-ejb-post-create</literal> by default."
msgstr ""
+"如上所述，<literal>key-fields</literal> 元素包含用于当前 entity 的每个主键字段的 <literal>key-field</literal>。<literal>key-field</literal> 元素使用和 entity 的 <literal>cmp-field</literal> 元素相同的语法，除了 <literal>key-"
+"field</literal> 不支持 <literal>not-null</literal> 选项。<literal>relation-table</literal> 的关键字段自动为非空值，这是因为它们是表里的主键。从另外一方面来说，外键字段必须缺省为非空值。这是因为 CMP 规格要求对数据库的插入发生在 <literal>ejbCreate</literal> 方法后、而在 <literal>ejbPostCreate</literal> 里进行更新来反映 CMR 的变动。既然 EJB 规格不允许关系在调用 <literal>ejbPostCreate</literal> 前被修改，外键的初始值将为空（null）。删除也有类似的问题。你可以用 <literal>jboss.xml</literal> 文件里的 <literal>insert-after-ejb-"
+"post-create</literal> 容器配置标签来修改这个插入行为。下面的例子演示了对一个缺省使用 <literal>insert-after-ejb-post-create</literal> 的新的 bean 的配置的创建过程。"
#. Tag: programlisting
#: The_CMP_Engine.xml:692
@@ -2889,6 +2899,18 @@
" </container-configurations> \n"
"</jboss>"
msgstr ""
+"<jboss>\n"
+" <!-- ... -->\n"
+" <container-configurations>\n"
+" <container-configuration extends=\"Standard CMP 2.x EntityBean"
+"\">\n"
+" <container-name>INSERT after ejbPostCreate Container</"
+"container-name>\n"
+" <emphasis role=\"bold\"><insert-after-ejb-post-create>"
+"true</insert-after-ejb-post-create></emphasis>\n"
+" </container-configuration>\n"
+" </container-configurations> \n"
+"</jboss>"
#. Tag: para
#: The_CMP_Engine.xml:693
@@ -2898,7 +2920,7 @@
"map the foreign key elements onto non-null CMP fields. In this case you "
"simply populate the foreign key fields in <literal>ejbCreate</literal> using "
"the associated CMP field setters."
-msgstr ""
+msgstr "绕开非空外键问题的另外一个办法是把 foreign key 元素映射到非空的 CMP 字段上。在这种情况下，你只要简单地用相关的 CMP 字段的 setter 方法传递 <literal>ejbCreate</literal> 里的外键字段就可以了。"
#. Tag: para
#: The_CMP_Engine.xml:696
@@ -2908,22 +2930,25 @@
"\"Relationship_Role_Mapping-"
"The_jbosscmp_jdbc_key_fields_element_content_model\"/>."
msgstr ""
+"<xref linkend="
+"\"Relationship_Role_Mapping-"
+"The_jbosscmp_jdbc_key_fields_element_content_model\"/> 描述了 key-fields 元素的内容格式。"
#. Tag: title
#: The_CMP_Engine.xml:700
-#, fuzzy, no-c-format
+#, no-c-format
msgid "The jbosscmp-jdbc key-fields element content model"
-msgstr "The descriptors element content model"
+msgstr "jbosscmp-jdbc 文件里的 key-fields 元素的内容格式"
#. Tag: para
#: The_CMP_Engine.xml:707
-#, fuzzy, no-c-format
+#, no-c-format
msgid ""
"A detailed description of the elements contained in the <literal>key-field</"
"literal> element follows:"
msgstr ""
-"持久化对象之间一对一的关联关系是通过 <literal>one-to-one</literal> 元素定义"
-"的。"
+"下面是对 <literal>key-field</"
+"literal> 元素包含的元素的详细描述："
#. Tag: para
#: The_CMP_Engine.xml:712
@@ -2932,7 +2957,7 @@
"<emphasis role=\"bold\">field-name</emphasis>: This required element "
"identifies the field to which this mapping applies. This name must match a "
"primary key field of the current entity."
-msgstr ""
+msgstr "<emphasis role=\"bold\">field-name</emphasis>：这是一个必需元素，它指定该映射适用的字段。这个名字必须匹配当前 entity 的主键字段。"
#. Tag: para
#: The_CMP_Engine.xml:717
@@ -2945,7 +2970,7 @@
"<literal>relation-table-mapping</literal>, this column is added to the "
"<literal>relation-table</literal>. This element is not allowed for mapped "
"dependent value class; instead use the property element."
-msgstr ""
+msgstr "<emphasis role=\"bold\">column-name</emphasis>：主键字段将被存储的列名。如果这个关系使用 <literal>foreign-key-mapping</literal>，那么这一列将被添加到相关 entity 的表里。如果这个关系使用 <literal>relation-table-mapping</literal>，那么这一列将被添加到 <literal>relation-table</literal> 里。映射的 dependent value 类不被允许使用这个元素，它可以使用 perperty 元素。"
#. Tag: para
#: The_CMP_Engine.xml:722
@@ -2955,26 +2980,24 @@
"used when setting parameters in a JDBC <literal>PreparedStatement</literal> "
"or loading data from a JDBC ResultSet. The valid types are defined in "
"<literal>java.sql.Types</literal>."
-msgstr ""
+msgstr "<emphasis role=\"bold\">jdbc-type</emphasis>：这是在设置 JDBC <literal>PreparedStatement</literal> 的参数或从 JDBC ResultSet 载入数据时使用的 JDBC 类型。<literal>java.sql.Types</literal> 里定义了其有效值。"
#. Tag: para
#: The_CMP_Engine.xml:727
-#, fuzzy, no-c-format
+#, no-c-format
msgid ""
"<emphasis role=\"bold\">sql-type</emphasis>: This is the SQL type that is "
"used in create table statements for this field. Valid types are only limited "
"by your database vendor."
-msgstr ""
-"<emphasis role=\"bold\">SessionIdAlphabet</emphasis>：这是一个用来创建会话 "
-"ID 的字符集。它必须由刚好 65 个唯一的字符组成."
+msgstr "<emphasis role=\"bold\">sql-type</emphasis>：这是用于该字段的 create table 语句所使用的 SQL 类型。其有效值依你的数据库供应商而定。"
#. Tag: para
#: The_CMP_Engine.xml:732
-#, fuzzy, no-c-format
+#, no-c-format
msgid ""
"<emphasis role=\"bold\">property</emphasis>: Use this element for to specify "
"the mapping of a primary key field which is a dependent value class."
-msgstr "<emphasis role=\"bold\">name</emphasis>：这个元素包含通知类的类全名。"
+msgstr "<emphasis role=\"bold\">property</emphasis>：这个元素指定值为 dependent value 类的主键字段的映射。"
#. Tag: para
#: The_CMP_Engine.xml:737
@@ -2985,12 +3008,14 @@
"column in the database, and the index name will be <literal>fieldname_index</"
"literal>."
msgstr ""
+"<emphasis role=\"bold\">dbindex</emphasis>：这个可选字段指定服务器应该在数据库里对应的列上创建索引，且索引名将是 <literal>fieldname_index</"
+"literal>。"
#. Tag: title
#: The_CMP_Engine.xml:745
-#, fuzzy, no-c-format
+#, no-c-format
msgid "Foreign Key Mapping"
-msgstr "集合类（Collections）映射"
+msgstr "外键映射"
#. Tag: para
#: The_CMP_Engine.xml:746
@@ -3002,6 +3027,8 @@
"foreign <literal>key-mapping</literal> element to the <literal>ejb-relation</"
"literal> element."
msgstr ""
+"对于一对一和一对多的关系来说，外键映射（Foreign key mapping）是最常用的映射风格，但它不能用在多对多的关系里。简单地把空的外部 <literal>key-mapping</literal> 元素添加到 <literal>ejb-relation</"
+"literal> 元素里就可以声明外键映射元素。"
#. Tag: para
#: The_CMP_Engine.xml:749
@@ -3017,6 +3044,9 @@
"in the example) must have a <literal>key-fields</literal> mapping. In one-to-"
"one relationships, one or both roles can have foreign keys."
msgstr ""
+"如前面章节里所述，在 <literal>ejb-relationship-"
+"role</literal> 里声明的使用外键映射的 <literal>key-fields</literal> 将被添加到相关的 entity 的表里。如果 <literal>key-fields</literal> 元素为空，这个 entity 将不能创建外键。在一对多的关系里，“多”的一侧（如这个例子里的 <literal>Gangster</literal>）必须具有一个空的 <literal>key-"
+"fields</literal> 元素，而“一”这一侧（如 <literal>Organization</literal>）则必须具有一个 <literal>key-fields</literal> 映射。在一对一的关系里，两个角色都可以具有外键。"
#. Tag: para
#: The_CMP_Engine.xml:752
@@ -3029,10 +3059,12 @@
"Gangster</literal> relationship is shown below with the foreign key elements "
"highlighted in bold:"
msgstr ""
+"外键映射不依赖于关系的方向。这意味着在一对一的单向（只有一边有 accessor 方法）的关系里，两个角色都可以拥有外键。下面是 <literal>Organization-"
+"Gangster</literal> 关系的完整外键映射，其中外键元素以黑体突出显示："
#. Tag: programlisting
#: The_CMP_Engine.xml:755
-#, fuzzy, no-c-format
+#, no-c-format
msgid ""
"<jbosscmp-jdbc>\n"
" <relationships>\n"
@@ -3057,33 +3089,34 @@
" </relationships>\n"
"</jbosscmp-jdbc>"
msgstr ""
-"<jboss> \n"
-" <enterprise-beans> \n"
-" <session> \n"
-" <ejb-name>nextgen.StatelessSession</ejb-"
-"name> \n"
-" <jndi-name>nextgen.StatelessSession</jndi-"
-"name> \n"
-" <clustered>True</clustered> \n"
-" <cluster-config> \n"
-" <partition-name>DefaultPartition</partition-"
-"name> \n"
-" <home-load-balance-policy> \n"
-" org.jboss.ha.framework.interfaces.RoundRobin \n"
-" </home-load-balance-policy> \n"
-" <bean-load-balance-policy> \n"
-" org.jboss.ha.framework.interfaces.RoundRobin\n"
-" </bean-load-balance-policy>\n"
-" </cluster-config>\n"
-" </session>\n"
-" </enterprise-beans>\n"
-"</jboss>"
+"<jbosscmp-jdbc>\n"
+" <relationships>\n"
+" <ejb-relation>\n"
+" <ejb-relation-name>Organization-Gangster</ejb-relation-"
+"name>\n"
+" <emphasis role=\"bold\"><foreign-key-mapping/></emphasis>\n"
+" <ejb-relationship-role>\n"
+" <ejb-relationship-role-name>org-has-gangsters</ejb-"
+"relationship-role-name>\n"
+" <emphasis role=\"bold\"><key-fields> <key-field> "
+"<field-name>name</field-name> <column-name>"
+"organization</column-name> </key-field> </key-fields></"
+"emphasis>\n"
+" </ejb-relationship-role>\n"
+" <ejb-relationship-role>\n"
+" <ejb-relationship-role-name>gangster-belongs-to-"
+"org</ejb-relationship-role-name>\n"
+" <emphasis role=\"bold\"><key-fields/></emphasis>\n"
+" </ejb-relationship-role>\n"
+" </ejb-relation>\n"
+" </relationships>\n"
+"</jbosscmp-jdbc>"
#. Tag: title
#: The_CMP_Engine.xml:759
-#, fuzzy, no-c-format
+#, no-c-format
msgid "Relation table Mapping"
-msgstr "集合类（Collections）映射"
+msgstr "关系表映射（Relation table Mapping）"
#. Tag: para
#: The_CMP_Engine.xml:760
@@ -3094,12 +3127,14 @@
"relationships. Relation table mapping is defined using the <literal>relation-"
"table-mapping</literal> element, the content model of which is shown below."
msgstr ""
+"对于一对一和一对多关系来说，关系表映射（Relation table Mapping）不是那么常用，但它是多对对关系唯一允许的映射风格。关系表映射用 <literal>relation-"
+"table-mapping</literal> 元素进行定义，下面是其内容格式。"
#. Tag: title
#: The_CMP_Engine.xml:764
-#, fuzzy, no-c-format
+#, no-c-format
msgid "The jbosscmp-jdbc relation-table-mapping element content model"
-msgstr "The descriptors element content model"
+msgstr "jbosscmp-jdbc 文件里的 relation-table-mapping 元素的内容格式"
#. Tag: para
#: The_CMP_Engine.xml:771
@@ -3107,13 +3142,13 @@
msgid ""
"The relation-table-mapping for the <literal>Gangster-Job</literal> "
"relationship is shown in with table mapping elements highlighted in bold:"
-msgstr ""
+msgstr "下面是 <literal>Gangster-Job</literal> 关系的 relation-table-mapping 定义，其 table mapping 元素以黑体突出显示："
#. Tag: title
#: The_CMP_Engine.xml:774
#, no-c-format
msgid "The jbosscmp-jdbc.xml Relation-table Mapping"
-msgstr ""
+msgstr "jbosscmp-jdbc.xml 里的关系表映射"
#. Tag: programlisting
#: The_CMP_Engine.xml:775
@@ -3151,6 +3186,37 @@
" </relationships>\n"
"</jbosscmp-jdbc>"
msgstr ""
+"<jbosscmp-jdbc>\n"
+" <relationships>\n"
+" <ejb-relation>\n"
+" <ejb-relation-name>Gangster-Jobs</ejb-relation-"
+"name>\n"
+" <relation-table-mapping>\n"
+" <table-name>gangster_job</table-name>\n"
+" </relation-table-mapping>\n"
+" <ejb-relationship-role>\n"
+" <ejb-relationship-role-name>gangster-has-jobs</ejb-"
+"relationship-role-name>\n"
+" <key-fields>\n"
+" <key-field>\n"
+" <field-name>gangsterId</field-name>\n"
+" <column-name>gangster</column-name>\n"
+" </key-field>\n"
+" </key-fields>\n"
+" </ejb-relationship-role> \n"
+" <ejb-relationship-role>\n"
+" <ejb-relationship-role-name>job-has-gangsters</ejb-"
+"relationship-role-name>\n"
+" <key-fields>\n"
+" <key-field>\n"
+" <field-name>name</field-name>\n"
+" <column-name>job</column-name>\n"
+" </key-field>\n"
+" </key-fields>\n"
+" </ejb-relationship-role>\n"
+" </ejb-relation>\n"
+" </relationships>\n"
+"</jbosscmp-jdbc>"
#. Tag: para
#: The_CMP_Engine.xml:776
@@ -3159,19 +3225,16 @@
"The <literal>relation-table-mapping</literal> element contains a subset of "
"the options available in the <literal>entity</literal> element. A detailed "
"description of these elements is reproduced here for convenience:"
-msgstr ""
+msgstr "<literal>relation-table-mapping</literal> 元素包含 <literal>entity</literal> 元素的选项的一个子集。为方便起见，下面是对这些元素的详细描述："
#. Tag: para
#: The_CMP_Engine.xml:781
-#, fuzzy, no-c-format
+#, no-c-format
msgid ""
"<emphasis role=\"bold\">table-name</emphasis>: This optional element gives "
"the name of the table that will hold data for this relationship. The default "
"table name is based on the entity and <literal>cmr-field</literal> names."
-msgstr ""
-"<emphasis role=\"bold\">PartitionName</emphasis> 是一个可选的属性，它指定与 "
-"HA-JNDI 服务通讯的不同节点的群集的名字。它的缺省值是 "
-"<literal>DefaultPartition</literal>。"
+msgstr "<emphasis role=\"bold\">table-name</emphasis>：这是一个可选元素，它指定将保存这个关系的数据的表的名称。缺省的表名基于 entity 和 <literal>cmr-field</literal> 名称。"
#. Tag: para
#: The_CMP_Engine.xml:786
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