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 */ 017package org.apache.commons.compress.harmony.unpack200.bytecode; 018 019import java.util.List; 020 021/** 022 * Method constant pool entry. 023 */ 024public class CPMethod extends CPMember { 025 026 public CPMethod(final CPUTF8 name, final CPUTF8 descriptor, final long flags, final List attributes) { 027 super(name, descriptor, flags, attributes); 028 } 029 030 @Override 031 public String toString() { 032 return "Method: " + name + "(" + descriptor + ")"; 033 } 034 035 private boolean hashcodeComputed; 036 private int cachedHashCode; 037 038 private void generateHashCode() { 039 hashcodeComputed = true; 040 final int PRIME = 31; 041 int result = 1; 042 result = PRIME * result + name.hashCode(); 043 result = PRIME * result + descriptor.hashCode(); 044 cachedHashCode = result; 045 } 046 047 @Override 048 public int hashCode() { 049 if (!hashcodeComputed) { 050 generateHashCode(); 051 } 052 return cachedHashCode; 053 } 054 055}