/*
 *  Copyright (C) 2004  The Concord Consortium, Inc.,
 *  10 Concord Crossing, Concord, MA 01742
 *
 *  Web Site: http://www.concord.org
 *  Email: info@concord.org
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * END LICENSE */

package org.concord.probe.transformers;

import org.concord.datapipe.*;
import org.concord.waba.extra.util.PropObject;
import waba.util.Vector;

public abstract class CCTransformer 
	implements Transform
{
	String		name = null;
	PropObject		[]properties = null;
	public 		Vector 	dataListeners = null;

	public CCTransformer(){
		this("unknown");
	}
	public CCTransformer(String name){
		this.name = name;
	}
	public void setName(String name){this.name = name;}
	public String getName(){return name;}
	
	public void addDataListener(DataListener l){
		if(dataListeners == null) dataListeners = new Vector();
		if(dataListeners.find(l) < 0) dataListeners.add(l);
	}
	public void removeDataListener(DataListener l){
		int index = dataListeners.find(l);
		if(index >= 0) dataListeners.del(index);
	}
	public void notifyDataListeners(DataEvent e){
		if(dataListeners == null) return;
		for(int i = 0; i < dataListeners.getCount(); i++){
			DataListener l = (DataListener)dataListeners.get(i);
			l.dataReceived(e);
		}
	}

}
