System.out.println( "changed: " + id );
	public void add( MessageBuffer messageBuffer ) {		synchronized( this ) {			int id = messageBuffer.readInt32();			synchronized ( this.ids ) {				this.ids.add( new Integer( id ) );			}			/* go 4bytes back in the MessageBuffer */			messageBuffer.setIterator( messageBuffer.getIterator() - 4 );			if ( this.infoIntMap.containsKey( id ) )				this.get( id ).readStream( messageBuffer );			else {				FileInfo fileInfo = new FileInfo( this.parent );				fileInfo.readStream( messageBuffer );				this.put( fileInfo.getId(), fileInfo );			}			System.out.println( "changed: " + id );		}	}