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Posted to dev@cayenne.apache.org by "Kevin Menard (JIRA)" <de...@cayenne.apache.org> on 2007/10/29 21:38:51 UTC
[JIRA] Commented: (CAY-574) DataObjectUtils 'objectForPK' should
work on the client
[ https://issues.apache.org/cayenne/browse/CAY-574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12570 ]
Kevin Menard commented on CAY-574:
----------------------------------
Sorry, but I'm not quite following what the suggested fixes are. I have recently run into the issue with 3.0M2 and am looking to fix it if I can. I think I agree with #2. It looks like a query should be performed rather than a DbEntity lookup, but I don't quite follow the analysis of #1.
> 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: [v.@CAYENNE_VERSION@ @CAYENNE_BUILD_DATE@] 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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