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1   /*
2   * The contents of this file are subject to the BT "ZEUS" Open Source 
3   * Licence (L77741), Version 1.0 (the "Licence"); you may not use this file 
4   * except in compliance with the Licence. You may obtain a copy of the Licence
5   * from $ZEUS_INSTALL/licence.html or alternatively from
6   * http://www.labs.bt.com/projects/agents/zeus/licence.htm
7   * 
8   * Except as stated in Clause 7 of the Licence, software distributed under the
9   * Licence is distributed WITHOUT WARRANTY OF ANY KIND, either express or 
10  * implied. See the Licence for the specific language governing rights and 
11  * limitations under the Licence.
12  * 
13  * The Original Code is within the package zeus.*.
14  * The Initial Developer of the Original Code is British Telecommunications
15  * public limited company, whose registered office is at 81 Newgate Street, 
16  * London, EC1A 7AJ, England. Portions created by British Telecommunications 
17  * public limited company are Copyright 1996-9. All Rights Reserved.
18  * 
19  * THIS NOTICE MUST BE INCLUDED ON ANY COPY OF THIS FILE
20  */
21  
22  
23  
24  package zeus.visualiser;
25  
26  import java.util.*;
27  import zeus.util.*;
28    
29  public class MessageInfo {
30     public String key;
31     public String agent;
32     public Object target;
33     public String method;
34  
35     int hashCode;
36  
37     public MessageInfo(String key, String agent,
38                        Object target, String method) {
39        this.key = key;
40        this.agent = agent;
41        this.target = target;
42        this.method = method;
43  
44        String s = this.toString();
45        s = s.intern();
46        hashCode = s.hashCode();
47     }
48     public boolean equals(Object obj) {
49        if ( !(obj instanceof MessageInfo) ) return false;
50        MessageInfo info = (MessageInfo)obj;
51        return info.key.equals(key) && info.agent.equals(agent) &&
52               info.target.equals(target) && info.method.equals(method);
53     }
54     public String toString() {
55        return "(messageInfo " + key + " " + agent + " " +
56               target.hashCode() + " " + method + ")";
57     }
58  
59     public int hashCode() { return hashCode; }
60  }