/** Remove stuff from an unordered collection. */
private void simpleRemoveFromCollectionChangeRecordWithoutOrder(
Object referenceKey,
Object changeSetToRemove,
ObjectChangeSet changeSet,
AbstractSession session) {
EISCollectionChangeRecord changeRecord =
(EISCollectionChangeRecord) changeSet.getChangesForAttributeNamed(this.getAttributeName());
if (changeRecord == null) {
changeRecord =
new EISCollectionChangeRecord(
changeSet, this.getAttributeName(), this.getDatabaseMapping());
changeSet.addChange(changeRecord);
}
changeRecord.simpleRemoveChangeSet(changeSetToRemove);
}
/**
* INTERNAL: Build and return the change record that results from comparing the two collection
* attributes.
*/
public ChangeRecord compareForChange(
Object clone, Object backup, ObjectChangeSet owner, AbstractSession session) {
ContainerPolicy cp = this.getContainerPolicy();
Object cloneCollection = this.getRealCollectionAttributeValueFromObject(clone, session);
Object backupCollection = null;
if (owner.isNew()) {
backupCollection = cp.containerInstance(1);
} else {
backupCollection = this.getRealCollectionAttributeValueFromObject(backup, session);
}
if (cp.hasOrder()) {
return this.compareAttributeValuesForChangeWithOrder(
cloneCollection, backupCollection, owner, session);
} else {
return this.compareAttributeValuesForChangeWithoutOrder(
cloneCollection, backupCollection, owner, session);
}
}