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