/**

  *  @author : Paul Taylor

  *  @author : Eric Farng

  *

  *  Version @version:$Id: HashMapInterface.java,v 1.8 2008/07/21 10:45:41 paultaylor Exp $

  *

  *  MusicTag Copyright (C)2003,2004

  *

  *  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,

  *  you can get a copy from http://www.opensource.org/licenses/lgpl-license.php or write to the Free Software

  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

  *

  * Description:

  *   A simple Interface required by classes which use a HashMap to Store ValuePairs

  */

 package org.jaudiotagger.tag.datatype;

 import java.util.Iterator;

 import java.util.Map;

 /**

  * Represents an interface allowing maping from key to value and value to key

  */

 public interface HashMapInterface<K, V>

 {

     /**

      * @return a mapping between the key within the frame and the value

      */

     public Map<K, V> getKeyToValue();

     /**

      * @return a mapping between the value to the key within the frame

      */

     public Map<V, K> getValueToKey();

     /**

      * @return an interator of the values within the map

      */

     public Iterator<V> iterator();

 }