public void addObserver(PropertySetter observer, String... properties)
    {
        try
        {
            semaphore.acquire();
        }
        catch (InterruptedException ex)
        {
            throw new IllegalArgumentException(ex);
        }
        try
        {
            addObserver(observer);
            for (String p : properties)
            {
                observers.addObserver(p, observer);
            }
        }
        finally
        {
            semaphore.release();
        }
    }
public void addObserver ( PropertySetter observer , String ... properties ) { try { semaphore . acquire ( ) ; } catch ( InterruptedException ex ) { throw new IllegalArgumentException ( ex ) ; } try { addObserver ( observer ) ; for ( String p : properties ) { observers . addObserver ( p , observer ) ; } } finally { semaphore . release ( ) ; } }
Adds a PropertySetter observer for properties.
@param observer
@param properties