1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.bcel.util;
18
19 /**
20 * Used for BCEL comparison strategy.
21 *
22 * @param <T> What type we are comparing.
23 * @since 5.2
24 */
25 public interface BCELComparator<T> {
26
27 /**
28 * Compares two objects and return what a.equals(b) should return.
29 *
30 * @param a an object.
31 * @param b an object to be compared with {@code a} for equality.
32 * @return {@code true} if the arguments are equal to each other and {@code false} otherwise.
33 */
34 boolean equals(T a, T b);
35
36 /**
37 * Gets the hash code for o.hashCode()
38 *
39 * @param o
40 * @return hash code for o.hashCode()
41 */
42 int hashCode(T o);
43 }