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https://issues.apache.org/jira/browse/OPENJPA-911?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brian Dellert updated OPENJPA-911:
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Attachment: openjpa_recursion_test.jar
Test case which reproduces issue.
> Issue with FetchAttribute recursionDepth
> -----------------------------------------
>
> Key: OPENJPA-911
> URL: https://issues.apache.org/jira/browse/OPENJPA-911
> Project: OpenJPA
> Issue Type: Bug
> Affects Versions: 1.2.0
> Environment: JDK: Sun 1.6
> Database: Derby 10.2.2.0
> OS: Windows XP
> Reporter: Brian Dellert
> Attachments: openjpa_recursion_test.jar
>
>
> I am attempting to leverage the recursionDepth FetchAttribute on a couple of
> related JPA entity classes, but OpenJPA does not seem to be honoring the
> value in a certain scenario. Even if I specify a recursionDepth of 50, a
> load of the object graph is only returning a recursionDepth of 1 in this
> scenario.
> The issue I'm seeing manifests itself when there is a 'container' class which
> has a OneToOne reference to an 'entity' class, and the 'entity' class has a
> OneToMany recursive self-reference . Here, when I first create an object
> graph where an instance of the 'container' class references a 3 level entity
> graph, I can save the graph and then load the graph and the specified
> recursionDepth is being honored. If I then delete the 'container' object
> (which cascades the delete to the 'entity' graph), the delete occurs
> correctly. But, if I then create/save a new graph of objects, the subsequent
> load of this new graph does not honor the recursionDepth. I have explicitly
> added the relevant FetchGroups to the entity manager FetchPlan.
> It should be noted that I needed to specify FetchGroups on both the OneToOne
> and OneToMany references described above in order to get the initial load of
> the graph to succeed. Also, it should be noted that this seemed to work
> correctly with OpenJPA 1.0.0.
>
> The attached jar file contains a simple JUnit test case which illustrates
> this behavior. The test case can be run using maven by unjarring the
> attached file and running:
> mvn install
> in the openjpa_recursion_test/ directory. There are comments in the test
> code which further describe the issue. If any additional information is
> needed, please let me know. Thanks.
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