GroupSync.java

/*
 *  GroupSync.java
 *  Eisenkraut
 *
 *  Copyright (c) 2004-2016 Hanns Holger Rutz. All rights reserved.
 *
 *  This software is published under the GNU General Public License v3+
 *
 *
 *	For further information, please contact Hanns Holger Rutz at
 *	contact@sciss.de
 */

package de.sciss.eisenkraut.net;

import java.util.ArrayList;
import java.util.List;

import de.sciss.net.OSCBundle;
import de.sciss.util.Disposable;

public class GroupSync
		implements Disposable {
	private final List<Slave> collSlaves = new ArrayList<Slave>();
	protected boolean active = false;

	public GroupSync() {
		 /* empty */
	}

	public void addSlave(Slave s) {
		collSlaves.add(s);
	}

	public void removeSlave(Slave s) {
		collSlaves.remove(s);
	}
	
	public boolean isActive()
	{
		return active;
	}
	
	public void activate( OSCBundle bndl )
	{
		active = true;
		for (Slave collSlave : collSlaves) {
			collSlave.groupActivate(bndl);
		}
	}
	
	public void deactivate( OSCBundle bndl )
	{
		active = false;
		for (Slave collSlave : collSlaves) {
			collSlave.groupDeactivate(bndl);
		}
	}
	
	// -------------- Disposable interface --------------

	public void dispose()
	{
		collSlaves.clear();
		active = false;
	}

	// -------------- internal interfaces --------------
	
	public static interface Slave
	{
		public void groupActivate( OSCBundle bndl );
		public void groupDeactivate( OSCBundle bndl );
	}
}