On Nov 5, 2009, at 2:33 PM, Mark Gowdy wrote:
Hi,
I am having an strange problem with Wonder's
clearSnapshotForRelationshipNamed method.
Is this new code, by chance?
(My Wonder version is a few days old)
We have EOs which are related to each other:
RoutingMediaItem <<---> RoutingMediaStatus
When I try to get an up-to-date status object and check the results
using:
ERXEOControlUtilities
.clearSnapshotForRelationshipNamed(routingMediaItem,
RoutingMediaItem.TO_ONE_STATUS);
That method is to clear the snapshot for a to-many relationship, not a
to-one. For a to-one, just invalidate the object.
I think this is what you want:
routingMediaItem
.editingtContext().refreshObject(routingMediaItem.toOneStatus())
Chuck
AELog.dbg("- routingMediaItem.status() class = " +
routingMediaItem.status().getClass().getName());
AELog.dbg("- routingMediaItem.status().descr() = " +
routingMediaItem.status().descr()); // This is line 100 of
RoutingMediaBatch, and descr() is a normal string
The first debug prints what you would expect:
- routingMediaItem.status() class = RoutingMediaStatus
The second line explodes with:
java.lang.ClassCastException: RoutingMediaStatus
at
com
.webobjects
.eoaccess
.EODatabaseContext.objectsForSourceGlobalID(EODatabaseContext.java:
3880)
at
com
.webobjects
.eocontrol
.EOObjectStoreCoordinator
.objectsForSourceGlobalID(EOObjectStoreCoordinator.java:634)
at
com
.webobjects
.eocontrol
.EOEditingContext.objectsForSourceGlobalID(EOEditingContext.java:3923)
at er.extensions.eof.ERXEC.objectsForSourceGlobalID(ERXEC.java:1182)
at
com
.webobjects
.eoaccess.EODatabaseContext._fireArrayFault(EODatabaseContext.java:
4245)
at
com
.webobjects
.eoaccess
.EOAccessArrayFaultHandler
.completeInitializationOfObject(EOAccessArrayFaultHandler.java:77)
at
com.webobjects.eocontrol.EOCustomObject.willRead(EOCustomObject.java:
1172)
at com.webobjects.eocontrol._EOMutableKnownKeyDictionary$Initializer
$
_GenericRecordBinding
.valueInObject(_EOMutableKnownKeyDictionary.java:570)
at
com
.webobjects
.eocontrol.EOCustomObject.storedValueForKey(EOCustomObject.java:1634)
at _RoutingMediaStatus.descr(_RoutingMediaStatus.java:39)
at RoutingMediaBatch.cancel(RoutingMediaBatch.java:100)
I am a little confused as to what I am doing wrong here (or what I
have broken).
I thought it might have been some weird AJAX thing, but I replace
the AJAX links with normal ones but the problem persists.
Regards,
Mark
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--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
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