/*
 * Copyright 2002-2008 The Jamocha Team
 * 
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.jamocha.org/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */

package org.jamocha.engine.util;

import java.util.Comparator;

import org.jamocha.engine.workingmemory.elements.Deffact;

public class DeffactSort implements Comparator<Deffact> {

	public static DeffactSort Comparator = new DeffactSort();

	public DeffactSort() {
		super();
	}

	public int compare(final Deffact left, final Deffact right) {
		if (left.getFactId() > right.getFactId())
			return 1;
		else if (left.getFactId() == right.getFactId())
			return 0;
		else
			return -1;
	}

}
