/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You 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.apache.org/licenses/LICENSE-2.0
 *
 *  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.apache.tomcat.util.bcel.util;

/**
 * Used for BCEL comparison strategy
 * 
 * @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
 * @version $Id: BCELComparator.java 1181133 2011-10-10 18:49:14Z markt $
 * @since 5.2
 */
public interface BCELComparator {

    /**
     * Compare two objects and return what THIS.equals(THAT) should return
     * 
     * @param THIS
     * @param THAT
     * @return true if and only if THIS equals THAT
     */
    boolean equals( Object THIS, Object THAT );


    /**
     * Return hashcode for THIS.hashCode()
     * 
     * @param THIS
     * @return hashcode for THIS.hashCode()
     */
    int hashCode( Object THIS );
}
