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Java > Open Source Codes > org > apache > geronimo > core > service > StringInvocationKey


1 /**
2  *
3  * Copyright 2003-2004 The Apache Software Foundation
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17
18 package org.apache.geronimo.core.service;
19
20 import java.io.Externalizable JavaDoc;
21 import java.io.IOException JavaDoc;
22 import java.io.ObjectInput JavaDoc;
23 import java.io.ObjectOutput JavaDoc;
24
25 import org.apache.geronimo.core.service.InvocationKey;
26
27 /**
28  * @version $Rev: 46019 $ $Date: 2004-09-14 02:56:06 -0700 (Tue, 14 Sep 2004) $
29  */
30 public class StringInvocationKey implements InvocationKey, Externalizable JavaDoc {
31     
32     private String JavaDoc key;
33     private boolean isTransient;
34     private int hashCode;
35     
36     public StringInvocationKey(String JavaDoc key, boolean isTransient) {
37         this.key = key;
38         this.hashCode = key.hashCode();
39         this.isTransient = isTransient;
40     }
41      
42     /**
43      * @return
44      */
45     public boolean isTransient() {
46         return isTransient;
47     }
48
49     /**
50      * @see java.lang.Object#hashCode()
51      */
52     public int hashCode() {
53         return hashCode;
54     }
55     
56     /**
57      * @see java.lang.Object#equals(java.lang.Object)
58      */
59     public boolean equals(Object JavaDoc obj) {
60         if( obj == null )
61             return false;
62         if( !StringInvocationKey.class.equals(obj.getClass()) )
63             return false;
64         return key.equals( ((StringInvocationKey)obj).key );
65     }
66
67     /**
68      * @see java.io.Externalizable#writeExternal(java.io.ObjectOutput)
69      */
70     public void writeExternal(ObjectOutput JavaDoc out) throws IOException JavaDoc {
71         out.writeUTF(key);
72     }
73
74     /**
75      * @see java.io.Externalizable#readExternal(java.io.ObjectInput)
76      */
77     public void readExternal(ObjectInput JavaDoc in) throws IOException JavaDoc, ClassNotFoundException JavaDoc {
78         key = in.readUTF();
79         hashCode = key.hashCode();
80         isTransient = false;
81     }
82     
83     /**
84      * @see java.lang.Object#toString()
85      */
86     public String JavaDoc toString() {
87         return key;
88     }
89 }
90
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