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From "Christophe Lombart (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (JCR-1325) Problems mapping custom collections
Date Thu, 10 Apr 2008 20:10:04 GMT

     [ https://issues.apache.org/jira/browse/JCR-1325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Christophe Lombart reassigned JCR-1325:
---------------------------------------

    Assignee: Christophe Lombart

> Problems mapping custom collections
> -----------------------------------
>
>                 Key: JCR-1325
>                 URL: https://issues.apache.org/jira/browse/JCR-1325
>             Project: Jackrabbit
>          Issue Type: Bug
>          Components: jackrabbit-ocm
>    Affects Versions: 1.4
>            Reporter: Sebastian Gomez
>            Assignee: Christophe Lombart
>         Attachments: ManageableCollectionUtil.java.patch
>
>
> When using a custom list that extends from java.util.AbstractList, ManageableCollectionUtil.getManageableCollection
raises a JcrMappingException because it does not consider the custom list to be a java.util.List.
This is because it uses "if (object.getClass().equals(List.class))" instead of "if (object
instanceof List)". The same thing will probably happen when using a custom Collection, a custom
ArrayList, etc. This is the stack trace:
> org.apache.jackrabbit.ocm.exception.JcrMappingException: Unsupported collection 
> type : *********** (MyCustomList class) 
>         at org.apache.jackrabbit.ocm.manager.collectionconverter.ManageableColle 
> ctionUtil.getManageableCollection(ManageableCollectionUtil.java:153) 
>         at org.apache.jackrabbit.ocm.manager.objectconverter.impl.ObjectConverte 
> rImpl.insertCollectionFields(ObjectConverterImpl.java:780) 
>         at org.apache.jackrabbit.ocm.manager.objectconverter.impl.ObjectConverte 
> rImpl.insert(ObjectConverterImpl.java:221) 
>         at org.apache.jackrabbit.ocm.manager.objectconverter.impl.ObjectConverte 
> rImpl.insert(ObjectConverterImpl.java:146) 
>         at org.apache.jackrabbit.ocm.manager.impl.ObjectContentManagerImpl.inser 
> t(ObjectContentManagerImpl.java:407) 
> I have come up to this bug using a MyCustomList<MyClass>, with MyCustomList extending
java.util.AbstractList<MyClass>.

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