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https://issues.apache.org/cayenne/browse/CAY-574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12723#action_12723
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Kevin Menard commented on CAY-574:
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I've been looking into this issue some more and it looks to me like being able
to know which attributes are PK attributes is something that may be important
for the client. My guess is that DbEntities are not sent to the client as a
security concern. Would it make more sense to relax this a little and send the
DbEntities to match the corresponding ObjEntities? If not, should be we look
at a reduced functionality DbEntity for client use?
> DataObjectUtils 'objectForPK' should work on the client
> -------------------------------------------------------
>
> Key: CAY-574
> URL: https://issues.apache.org/cayenne/browse/CAY-574
> Project: Cayenne
> Issue Type: Improvement
> Components: Cayenne Core Library
> Affects Versions: 1.2 [STABLE], UNDEFINED FUTURE
> Reporter: Andrus Adamchik
> Fix For: UNDEFINED FUTURE
>
>
> While DataObjectUtil.objectForPK takes ObjectContext as an argument, using it
> on the remote client is not possible. The following exceptions happen on
> various overloaded calls:
> 1. This will require method signature change:
> DataObjectUtils.objectForPK( c1,new ObjectId("MtTable1", "TABLE1_ID", 1));
> java.lang.ClassCastException
> at
> org.objectstyle.cayenne.DataObjectUtils.objectForPK(DataObjectUtils.java:276)
> at
> org.objectstyle.cayenne.remote.ClientChannelEventsTst.testSyncSimpleProperty(ClientChannelEventsTst.java:93)
>
> 2. This should issue a query instead of doing DbEntity lookup:
> DataObjectUtils.objectForPK(
> c2,
> ClientMtTable1.class,
> 1);
> org.objectstyle.cayenne.CayenneRuntimeException: [EMAIL PROTECTED]@ @[EMAIL
> PROTECTED] No DbEntity for ObjEntity: MtTable1
> at
> org.objectstyle.cayenne.DataObjectUtils.buildId(DataObjectUtils.java:352)
> at
> org.objectstyle.cayenne.DataObjectUtils.objectForPK(DataObjectUtils.java:167)
>
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