final List associationEnds = this.getManageableAssociationEnds();
for (int i = 0; i < associationEnds.size(); i++)
{
final AssociationEndFacade associationEnd = (AssociationEndFacade)associationEnds.get(i);
final Entity entity = (Entity)associationEnd.getType();
final Iterator identifierIterator = entity.getIdentifiers().iterator();
if (identifierIterator.hasNext())
{
final AttributeFacade identifier = (AttributeFacade)identifierIterator.next();
if (identifier != null)
{