001/* 002 * Copyright (C) 2010 The Guava Authors 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package com.google.common.collect.testing; 018 019import com.google.common.annotations.GwtCompatible; 020import java.io.Serializable; 021 022/** 023 * Simple base class to verify that we handle generics correctly. 024 * 025 * @author Kevin Bourrillion 026 */ 027@GwtCompatible 028public class BaseComparable implements Comparable<BaseComparable>, Serializable { 029 private final String s; 030 031 public BaseComparable(String s) { 032 this.s = s; 033 } 034 035 @Override 036 public int hashCode() { // delegate to 's' 037 return s.hashCode(); 038 } 039 040 @Override 041 public boolean equals(Object other) { 042 if (other == null) { 043 return false; 044 } else if (other instanceof BaseComparable) { 045 return s.equals(((BaseComparable) other).s); 046 } else { 047 return false; 048 } 049 } 050 051 @Override 052 public int compareTo(BaseComparable o) { 053 return s.compareTo(o.s); 054 } 055 056 private static final long serialVersionUID = 0; 057}