[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-4405) Add the ability to define entity-query objects via annotations - in addition to components.xml

[Piotr Steininger (JIRA)]

Add the ability to define entity-query objects via annotations - in addition to components.xml
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                 Key: JBSEAM-4405
                 URL: https://jira.jboss.org/jira/browse/JBSEAM-4405
             Project: Seam
          Issue Type: Feature Request
          Components: Framework
    Affects Versions: 2.2.0.GA
            Reporter: Piotr Steininger
            Priority: Minor


Currently the only way to dynamically create an entity-home or entity-query component is via XML in components.xml. The code option is to subclass one of EntityHome or EntityQuery classes and write a lot of redundant code.

The proposed feature would allow to simply annotate an @Entity with (for example):
@EntityQueries(
{@EntityQuery( name="people", query="select ..... ", ...)}
)
@EntityHome(name="personHome")

I think there is already code that automatically creates these components on start-up based on components.xml.

There are 2 main drivers behind this idea:
1. Continued reduction of XML and promoting declarative programming
2. Having entity home/queries defined once in one jar eliminates the need to duplicate XML, which would go in components.xml if the domain objects are used in more than one project/war file



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