Hi Mike,
Thanks for responding.
directly above that, it calls:
final NSArray deletedObjectsToFlushInParent =
ERXEOControlUtilities.localInstancesOfObjects(parentEC,
ec.deletedObjects());
... anyone know if there is there anything weird about performing
this operation in editingContextWillSaveChangeson a pending delete
from a child to a parent? Mark -- you might checkout the Wonder
source and comment that block of code just to try. I don't think
it will have any affect, but who knows.
I have the source, but wasn't quite sure about all the ins and outs
of getting it to compile. What I did do was create a class that
inherited from ERXEnterpriseObject.Observer, and then registered my
class as the listener instead without calling any of super's
implementations (thus avoiding that block of code). I still got the
same results, though.
Also, if you don't have this in a nested EC, and just delete them
directly, does it still fail? (not that this will solve your
problem, but it might narrow down possible failure points)
I was thinking the same thing early in the process, so I tried using
EOUtilities.localInstanceOfObject to bring the EOs into the nested EC
and then delete them there, but got the same problem.
Do you ever invalidate EO's? I notice in some source you posted
before that you have a refresh() method that invalidates the EO.
Does this only get called during handling an
EOGeneralAdaptorException, or possibly somewhere else also?
Calling invalidate deletes snapshots and can /potentially/ cause a
problem like what you're seeing.
The only place in my code anywhere that I call
invalidateObjectsWithGlobalIDs is in that refresh method that gets
called only when there is an EOGeneralAdaptorException. I've
verified that this code is not getting called anywhere leading up to
or during the problematic code execution.
Oh, and how exactly are you creating your two editing contexts?
Can you post that code just for completeness?
Sure, the code from Session is listed below:
protected EOEditingContext _nestedEC;
protected boolean _lockedNested;
public Session() {
super();
_nestedEC = ERXEC.newEditingContext( defaultEditingContext() );
_lockedNested = false;
}
public EOEditingContext nestedEC() {
return _nestedEC;
}
public EOEditingContext getAndRevertNestedEC() {
_nestedEC.revert();
return _nestedEC;
}
public void awake() {
super.awake();
_nestedEC.lock();
_lockedNested = true;
}
public void sleep() {
try {
if ( _lockedNested ) {
try {
_nestedEC.unlock();
} catch ( Exception e ) {
NSLog.out.appendln( "unlock without lock: " + e );
}
_lockedNested = false;
}
} catch ( Exception e ) {
NSLog.out.appendln( ErrorStackTrace.toString( e ) );
}
super.sleep();
}
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