LightestSelector.java

/* This file is part of Eternity II Editor.
 * 
 * Eternity II Editor 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.
 * 
 * Eternity II Editor 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 Eternity II Editor.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Eternity II Editor project is hosted on SourceForge:
 * http://sourceforge.net/projects/eternityii/
 * and maintained by Yannick Kirschhoffer <alcibiade@alcibiade.org>
 */

package org.alcibiade.eternity.editor.solver.collection;

public class LightestSelector<T extends Comparable<T>> implements Selector<T> {
	private int bestWeight = 0;
	private T bestItem = null;

	public void put(T item, int weight) {
		if (bestItem == null || bestWeight > weight
				|| (bestWeight == weight && bestItem.compareTo(item) > 0)) {
			bestItem = item;
			bestWeight = weight;
		}
	}

	public T getSelected() {
		return bestItem;
	}
}