code: /***************************************************************************
   *   Copyright (C) 2006-2015 by Fabrizio Montesi <famontesi@gmail.com>     *
   *                                                                         *
   *   This program is free software; you can redistribute it and/or modify  *
   *   it under the terms of the GNU Library General Public License as       *
   *   published by the Free Software Foundation; either version 2 of the    *
   *   License, or (at your option) any later version.                       *
   *                                                                         *
   *   This program 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 General Public License for more details.                          *
   *                                                                         *
   *   You should have received a copy of the GNU Library General Public     *
   *   License along with this program; if not, write to the                 *
   *   Free Software Foundation, Inc.,                                       *
   *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
   *                                                                         *
   *   For details about the authors of this software, see the AUTHORS file. *
   ***************************************************************************/
  
  package jolie.util;
  
  import java.io.Serializable;
  
  /**
   * A convenience class for expressing a pair of objects.
   * @author Fabrizio Montesi
   * @param <K> The type of the first element in the pair
   * @param <V> The type of the second element in the pair
   */
  public final class Pair< K, V > implements Serializable
  {
  	public final static long serialVersionUID = jolie.lang.Constants.serialVersionUID();
  
  	private final K key;
  	private final V value;
  	
  	public Pair( K key, V value )
  	{
  		this.key = key;
  		this.value = value;
  	}
  	
  	public final K key()
  	{
  		return key;
  	}
  	
  	public final V value()
  	{
  		return value;
  	}
  }
  