/*___INFO__MARK_BEGIN__*/
/*************************************************************************
 * 
 *  The Contents of this file are made available subject to the terms of
 *  the Sun Industry Standards Source License Version 1.2
 * 
 *  Sun Microsystems Inc., March, 2001
 * 
 * 
 *  Sun Industry Standards Source License Version 1.2
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.2 (the "License"); You may not use this file
 *  except in compliance with the License. You may obtain a copy of the
 *  License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
 * 
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 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
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 *   The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 * 
 *   Copyright: 2001 by Sun Microsystems, Inc.
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package jcodine;

public class JCheckpointSet extends JCodSet {

	protected JCheckpointList checkpoints;
	
	public JCheckpointSet() {
		super();
		checkpoints = new JCheckpointList();
	}

	// returns the first checkpoint 
	public JCheckpoint getFirst() {
		return (JCheckpoint)checkpoints.firstElement();
	}

	// add a checkpoint 
	public void add(JCheckpoint ckpt) {
		checkpoints.addElement(ckpt);
		RecalcAmbiguous();
	}

	// clear the complete set 
	public void clear() {
		checkpoints.removeAllElements();
	}

	// check if the set is empty 
	public boolean isEmpty() {
		return checkpoints.isEmpty();
	}

	// check if there is any ambiguity among the fields  
	protected void RecalcAmbiguous() {
		// TODO: implement the method
	}
}
