/*
* Copyright (C) 2004 TiongHiang Lee
*
* 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
*
* Email: thlee@onemindsoft.org
*/
package org.onemind.commons.java.datastructure;
import java.util.Map;
/**
* A simple Map.Entry implementation that can be used for Map extension
* @author TiongHiang Lee (thlee@onemindsoft.org)
* @version $Id: MapEntry.java,v 1.3 2005/04/26 17:41:48 thlee Exp $ $Name: $
*/
public class MapEntry implements Map.Entry
{
/** the key * */
private Object _key;
/** the value * */
private Object _value;
/**
* {@inheritDoc}
*/
public MapEntry(Object key, Object value)
{
_key = key;
_value = value;
}
/**
* {@inheritDoc}
*/
public Object getKey()
{
return _key;
}
/**
* {@inheritDoc}
*/
public Object getValue()
{
return _value;
}
/**
* {@inheritDoc}
*/
public Object setValue(Object value)
{
Object o = _value;
_value = value;
return o;
}
/**
* {@inheritDoc}
*/
public int hashCode()
{
return _key.hashCode();
}
/**
* {@inheritDoc}
*/
public boolean equals(Object o)
{
return _key.equals(((MapEntry) o)._key);
}
}