/*
* This file is part of JOP, the Java Optimized Processor
* see <http://www.jopdesign.com/>
*
* Copyright (C) 2010, Benedikt Huber (benedikt.huber@gmail.com)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 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 General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.jopdesign.wcet.ipet;
import java.util.Map;
/**
* Implementors provide cost measure for objects of type T
* @param <T> The type of object the measure is provided for
*/
public interface CostProvider<T> {
long getCost(T obj);
/**
* A map based implementation of the {@link CostProvider} interface
* @param <T> The type of object the measure is provided for
*/
class MapCostProvider<T> implements CostProvider<T> {
private Map<T, Long> costMap;
private long defCost;
public MapCostProvider(Map<T,Long> costMap, long defCost) {
this.costMap = costMap;
this.defCost = defCost;
}
public long getCost(T obj) {
Long cost = costMap.get(obj);
if(cost == null) return defCost;
else return cost;
}
}
}