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