    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one or more
    003 * contributor license agreements.  See the NOTICE file distributed with
    004 * this work for additional information regarding copyright ownership.
    005 * The ASF licenses this file to You under the Apache License, Version 2.0
    006 * (the "License"); you may not use this file except in compliance with
    007 * the License.  You may obtain a copy of the License at
    008 *
    009 *      http://www.apache.org/licenses/LICENSE-2.0
    010 *
    011 *  Unless required by applicable law or agreed to in writing, software
    012 *  distributed under the License is distributed on an "AS IS" BASIS,
    013 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014 *  See the License for the specific language governing permissions and
    015 *  limitations under the License.
    016 *
    017 */
    018package org.apache.bcel.util;
    019
    020/**
    021 * Used for BCEL comparison strategy
    022 *
    023 * @version $Id$
    024 * @since 5.2
    025 */
    026public interface BCELComparator {
    027
    028    /**
    029     * Compare two objects and return what THIS.equals(THAT) should return
    030     *
    031     * @param THIS
    032     * @param THAT
    033     * @return true if and only if THIS equals THAT
    034     */
    035    boolean equals( Object THIS, Object THAT );
    036
    037
    038    /**
    039     * Return hashcode for THIS.hashCode()
    040     *
    041     * @param THIS
    042     * @return hashcode for THIS.hashCode()
    043     */
    044    int hashCode( Object THIS );
    045}