[jbosstools-issues] [JBoss JIRA] Commented: (JBIDE-2077) "Make this class and its related classes mapped via JPA"

[Max Rydahl Andersen (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBIDE-2077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12426428#action_12426428 ] 

Max Rydahl Andersen commented on JBIDE-2077:
--------------------------------------------

Vitali - Denis does not mention anything about hbm.xml or any existing databases.

We have all the other generations covered (db to entities, hbm.xml to entities), what we are looking for here is to be allow users who have designed an object model to get some automated help for the basic annotations to make their model persistent.

They do *not* have a database yet.

> "Make this class and its related classes mapped via JPA"
> --------------------------------------------------------
>
>                 Key: JBIDE-2077
>                 URL: https://jira.jboss.org/jira/browse/JBIDE-2077
>             Project: Tools (JBoss Tools)
>          Issue Type: Feature Request
>          Components: Hibernate
>            Reporter: Vitali Yemialyanchyk
>            Assignee: Vitali Yemialyanchyk
>            Priority: Minor
>             Fix For: 3.0.0.beta1
>
>
> Denis Golovin:
> >>>
> Let's imagine I have several (say 10) classes that I'd like to make
> persistent. The classes form completed domain model.
> I decided to use hibernate and JPA annotations, I have lets say JBDS
> 1.1.0 or JBossTools 2.1.0 installed.
> Question is what I should do to make my model persistent? It there
> anything that helps me to do it?
> Now I see only way. I have to go through all classes and add annotations
> for class and for fields.
> >>>
> Max Andersen:
> >>>
> Having a "Make this class and its related classes mapped via JPA" would be 
> an interesting Refactoring to implement.
> Should basically just work like this:
> makePersistent(ITypeRoot clazz, Set processed) {
>   add @Entity 
>   Find most likely id property and add @Id  
>  processed.add(selectedClass);
>  associations = getAssociatedClasses(selectedClass);
>  foreach class in associations {
>   if(!processed.contains(class)) {
>        makePersistent(class, processed);     
>   }  
> }
> }
> There then might be some exceptional cases like handling version properties, temporal values and
> non-JPA supported mappings which Hibernate would be able to understand/map.
> >>>

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