1 /* 2 * Copyright (C) 2010 The Guava Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.common.collect.testing; 18 19 import java.io.Serializable; 20 21 /** 22 * Simple base class to verify that we handle generics correctly. 23 * 24 * @author Kevin Bourrillion 25 */ 26 public class BaseComparable implements Comparable<BaseComparable>, Serializable { 27 private final String s; 28 BaseComparable(String s)29 public BaseComparable(String s) { 30 this.s = s; 31 } 32 hashCode()33 @Override public int hashCode() { // delegate to 's' 34 return s.hashCode(); 35 } 36 equals(Object other)37 @Override public boolean equals(Object other) { 38 if (other == null) { 39 return false; 40 } else if (other instanceof BaseComparable) { 41 return s.equals(((BaseComparable) other).s); 42 } else { 43 return false; 44 } 45 } 46 47 @Override compareTo(BaseComparable o)48 public int compareTo(BaseComparable o) { 49 return s.compareTo(o.s); 50 } 51 52 private static final long serialVersionUID = 0; 53 } 54