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 com.google.common.annotations.GwtCompatible; 20 import java.io.Serializable; 21 22 /** 23 * Simple base class to verify that we handle generics correctly. 24 * 25 * @author Kevin Bourrillion 26 */ 27 @GwtCompatible 28 public class BaseComparable implements Comparable<BaseComparable>, Serializable { 29 private final String s; 30 BaseComparable(String s)31 public BaseComparable(String s) { 32 this.s = s; 33 } 34 35 @Override hashCode()36 public int hashCode() { // delegate to 's' 37 return s.hashCode(); 38 } 39 40 @Override equals(Object other)41 public boolean equals(Object other) { 42 if (other == null) { 43 return false; 44 } else if (other instanceof BaseComparable) { 45 return s.equals(((BaseComparable) other).s); 46 } else { 47 return false; 48 } 49 } 50 51 @Override compareTo(BaseComparable o)52 public int compareTo(BaseComparable o) { 53 return s.compareTo(o.s); 54 } 55 56 private static final long serialVersionUID = 0; 57 } 58