private void updateDelegate()
	{
		T parentValue = parent.getValue();
		
		Observable<U> child = childFactory.createObservable(parentValue);
		
		if (child == null)
		{
			child = Observables.nullObservable();
		}
		
		setDelegate(child);
	}
private void updateDelegate ( ) { T parentValue = parent . getValue ( ) ; Observable < U > child = childFactory . createObservable ( parentValue ) ; if ( child == null ) { child = Observables . nullObservable ( ) ; } setDelegate ( child ) ; }
private methods --------------------------------------------------------