public void updateSourceObject(NSArray newValues) {
Object realSourceObject = realSourceObject();
String realRelationshipKey = realRelationshipKey();
newValues = newValues != null ? newValues : NSArray.EmptyArray;
if (realSourceObject instanceof EOEnterpriseObject
&& // only add/remove if we have an EO and handle a relationship
((EOEnterpriseObject) realSourceObject)
.classDescriptionForDestinationKey(realRelationshipKey)
!= null) {
EOEnterpriseObject eo = (EOEnterpriseObject) realSourceObject;
NSArray currentValues = (NSArray) eo.valueForKey(realRelationshipKey);
currentValues = currentValues != null ? currentValues : NSArray.EmptyArray;
for (int i = currentValues.count() - 1; i >= 0; i--) {
EOEnterpriseObject o = (EOEnterpriseObject) currentValues.objectAtIndex(i);
if (newValues.indexOfIdenticalObject(o) == NSArray.NotFound) { // not found
eo.removeObjectFromBothSidesOfRelationshipWithKey(o, realRelationshipKey);
}
}
for (int i = newValues.count() - 1; i >= 0; i--) {
EOEnterpriseObject o = (EOEnterpriseObject) newValues.objectAtIndex(i);
if (currentValues.indexOfIdenticalObject(o) == NSArray.NotFound) { // not found
eo.addObjectToBothSidesOfRelationshipWithKey(o, realRelationshipKey);
}
}
} else {
// NOTE ak: this implementation is different from what JavaWOExtensions do.
// There, the existing array is fetched and added to/removed from. Here, we simply set the
// new array. I changed this because it looked like a bad idea to change the array without
// the sourceObjects's knowledge.
NSKeyValueCoding.Utility.takeValueForKey(
realSourceObject,
(newValues instanceof NSMutableArray) ? newValues : newValues.mutableClone(),
realRelationshipKey);
}
}
