[hibernate-issues] [Hibernate-JIRA] Resolved: (HHH-3899) Inconsistencies when processing changes to read-only and immutable entities

[Gail Badner (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-3899?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gail Badner resolved HHH-3899.
------------------------------

    Resolution: Duplicate

All problems in this issue are covered by the linked issues, so closing this as a duplicate.

> Inconsistencies when processing changes to read-only and immutable entities
> ---------------------------------------------------------------------------
>
>                 Key: HHH-3899
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3899
>             Project: Hibernate Core
>          Issue Type: Bug
>            Reporter: Gail Badner
>            Assignee: Gail Badner
>
> I've noticed that there are inconsistencies when read-only and immutable entities are modified. I've added some unit tests to org.hibernate.test.immutable.ImmutableTest and created org.hibernate.test.readonly.ReadOnlyVersionedNodesTest which show the inconsistencies.
> The same behavior is seen in Branch_3_2, Branch_3_3, and trunk. 
> The inconsistencies in org.hibernate.test.immutable.ImmutableTest are:
> ImmutableTest.testImmutable():
> If an immutable entity with an immutable collection is associated with the session, an addition to the immutable collection is ignored
> GB: Addressed by HHH-4941.
> ImmutableTest.testImmutableCollectionWithUpdate:
> If Session.update() is used to associate an immutable entity with an addition made to its immutable collection, then Hibernate detects that the reassociated entity has a dirty collection and  HibernateException is thrown
> GB: This is expected behavior.
> ImmutableTest.testImmutableCollectionWithMerge: 
> If Session.merge() is used to associate  an immutable entity with an addition made to its immutable collection, then, later when the transaction is committed, Hibernate detects that an immutable collection was changed and  HibernateException is thrown
> GB: This is expected behavior.
> The inconsistencies in org.hibernate.test.readonly.ReadOnlyVersionedNodesTest are:
>  
> ReadOnlyVersionedNodesTest.testAddNewChildToReadOnlyParent():
> If a read-only entity is associated with the session and a new child entity is added to collection, the new child entity is not persisted when the transaction is committed
> GB: This is due to HHH-4993.
> ReadOnlyVersionedNodesTest.testUpdateParentWithNewChildCommitWithReadOnlyParent(): 
> ReadOnlyVersionedNodesTest.testMergeDetachedParentWithNewChildCommitWithReadOnlyParent():
> ReadOnlyVersionedNodesTest.testGetParentMakeReadOnlyThenMergeDetachedParentWithNewChildC():
> If Session.merge() or Session.update() is used to associate a parent entity with a new child entity in its collection, and that parent entity is made read-only, then, later when the transaction is committed, the new child entity is persisted and it is associated with the parent
> GB: This is expected behavior
> ReadOnlyVersionedNodesTest.testAddNewParentToReadOnlyChild(): 
> If a  read-only entity is associated with the session and a new parent entity is assigned, the new parent entity is not persisted when the transaction is committed
> GB: This is due to HHH-4993.
> ReadOnlyVersionedNodesTest.testUpdateChildWithNewParentCommitWithReadOnlyChild():  
> If Session.update() is used to associate a child entity with a new parent entity, and the child entity is made read-only, later, when the transaction is committed, the new parent entity is persisted, but it is not associated with the child
> GB: The cascade-save to the parent is expected. 
> GB: The child is not associated with the parent due to HHH-4941.
> ReadOnlyVersionedNodesTest.testMergeDetachedChildWithNewParentCommitWithReadOnlyChild():
> ReadOnlyVersionedNodesTest.testGetChildMakeReadOnlyThenMergeDetachedChildWithNewParent():
> If Session.merge() is used to associate a child entity with a new parent entity, and the child entity is made read-only, later, when the transaction is committed, the new parent entity is persisted, but it is not associated with the child; in addition the version on the parent is incremented.
> GB: This is due to HHH-4992.
> If any of these results appear to be due to a bug, the test name should be changed to end in FailureExpected until the bug is fixed.

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