public Object replace(
			Object original, 
			Object target, 
			SessionImplementor session, 
			Object owner, 
			Map copyCache, 
			ForeignKeyDirection foreignKeyDirection) 
	throws HibernateException {
		boolean include;
		if ( isAssociationType() ) {
			AssociationType atype = (AssociationType) this;
			include = atype.getForeignKeyDirection()==foreignKeyDirection;
		}
		else {
			include = ForeignKeyDirection.FOREIGN_KEY_FROM_PARENT==foreignKeyDirection;
		}
               
               //atype.getForeignKeyDirection() == FOREIGN_KEY_TO_PARENT
               //and foreignKeyDirection == FOREIGN_KEY_FROM_PARENT
               //so that include == false
               //and hence no replace occurs, and we return the target which will be a null list
               //Why dont we return the original? i just debuged by setting include to true, which effectively copied the original into the target, and the entity was still appropriately merged.
		return include ? replace(original, target, session, owner, copyCache) : target;
	}