EISCollectionChangeRecord changeRecord = (EISCollectionChangeRecord)changeSet.getChangesForAttributeNamed(this.getAttributeName());
if (changeRecord == null) {
changeRecord = new EISCollectionChangeRecord(changeSet, this.getAttributeName(), this.getDatabaseMapping());
changeSet.addChange(changeRecord);
}
changeRecord.simpleAddChangeSet(changeSetToAdd);
}
/**
* ADVANCED:
* This method is used to remove an object from a collection once the changeSet is applied.