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

[Vitali Yemialyanchyk (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBIDE-2077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12426241#action_12426241 ] 

Vitali Yemialyanchyk commented on JBIDE-2077:
---------------------------------------------

I try to imagine the situation - in simple - 
the user has project without annotations with mappings via xml.
If this is not a right situation which Denis means and 
the user has JUST project with POJO classes which form completed domain model and then he
want to get JPA annotations and then want to make model persistent (generate db tables).
You are right - no tables here.

> "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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