/*
* Created on Aug 5, 2007
*
* Copyright (c) 2007, the JUNG Project and the Regents of the University
* of California
* All rights reserved.
*
* This software is open-source under the BSD license; see either
* "license.txt" or
* http://jung.sourceforge.net/license.txt for a description.
*/
package edu.uci.ics.jung.algorithms.util;
import java.util.Map;
/**
* A <code>SettableTransformer</code> that operates on an underlying
* <code>Map</code> instance. Similar to <code>MapTransformer</code>.
*
* @author Joshua O'Madadhain
*/
public class MapSettableTransformer<I, O> implements SettableTransformer<I, O> {
protected Map<I, O> map;
/**
* Creates an instance based on <code>m</code>.
*/
public MapSettableTransformer(Map<I, O> m) {
this.map = m;
}
@Override
public O transform(I input) {
return map.get(input);
}
@Override
public void set(I input, O output) {
map.put(input, output);
}
}