[jboss-jira] [JBoss JIRA] Created: (JBPM-838) EJB3 support with annotations / simplify db schema

[Florian Bauer (JIRA)]

EJB3 support with annotations / simplify db schema
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                 Key: JBPM-838
                 URL: http://jira.jboss.com/jira/browse/JBPM-838
             Project: JBoss jBPM
          Issue Type: Task
          Components: Core Engine
         Environment: persistence
            Reporter: Florian Bauer
         Assigned To: Tom Baeyens


change the hibernate mapping technique from *.hbm.xml to annotations. That includes:
- Change attribute mapping to getter/setter mapping. That implicates to provide the possibility to invoke a setter with a null value (jboss as is doing that) e.g. TaskInstance.setTask()
- Collection mapping with generic datatypes (jdk5) - that enables reflection on the data structure
- Changing the inheritance of persist classes e.g. an abstract basic class that provides the getter/setter for id and name (name schould be abstract)
- Clean up mapped properties e.g. the method getId() is implemented twice in classes GraphElement and TaskNode

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