1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * https://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.bcel.util;
20
21 /**
22 * Used for BCEL comparison strategy.
23 *
24 * @param <T> What type we are comparing.
25 * @since 5.2
26 */
27 public interface BCELComparator<T> {
28
29 /**
30 * Compares two objects and return what a.equals(b) should return.
31 *
32 * @param a an object.
33 * @param b an object to be compared with {@code a} for equality.
34 * @return {@code true} if the arguments are equal to each other and {@code false} otherwise.
35 */
36 boolean equals(T a, T b);
37
38 /**
39 * Gets the hash code for o.hashCode()
40 *
41 * @param o
42 * @return hash code for o.hashCode()
43 */
44 int hashCode(T o);
45 }