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Java > Open Source Codes > org > apache > commons > dbcp > datasources > PoolKey


1 /*
2  * Copyright 1999-2004 The Apache Software Foundation.
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 org.apache.commons.dbcp.datasources;
18
19 import java.io.Serializable JavaDoc;
20
21 /**
22  * @version $Revision: 1.5 $ $Date: 2004/02/28 12:18:17 $
23  */
24 class PoolKey implements Serializable JavaDoc {
25     private String JavaDoc datasourceName;
26     private String JavaDoc username;
27     
28     PoolKey(String JavaDoc datasourceName, String JavaDoc username) {
29         this.datasourceName = datasourceName;
30         this.username = username;
31     }
32     
33     public boolean equals(Object JavaDoc obj) {
34         if (obj instanceof PoolKey) {
35             PoolKey pk = (PoolKey)obj;
36             return (null == datasourceName ? null == pk.datasourceName : datasourceName.equals(pk.datasourceName)) &&
37                 (null == username ? null == pk.username : username.equals(pk.username));
38         } else {
39             return false;
40         }
41     }
42
43     public int hashCode() {
44         int h = 0;
45         if (datasourceName != null) {
46             h += datasourceName.hashCode();
47         }
48         if (username != null) {
49             h = 29 * h + username.hashCode();
50         }
51         return h;
52     }
53
54     public String JavaDoc toString() {
55         StringBuffer JavaDoc sb = new StringBuffer JavaDoc(50);
56         sb.append("PoolKey(");
57         sb.append(username).append(", ").append(datasourceName);
58         sb.append(')');
59         return sb.toString();
60     }
61 }
62
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