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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.concepts;
25  
26  import java.util.*;
27  import zeus.util.*;
28  
29  /*** 
30    *  AbilityDbItem is a conveinience class for holding the items that will be 
31    *  put in the agents AbilityDb
32    *  Change Log
33    *------------
34    * Simon put a () init method in so that this could be extended gracefully.
35    * @since 0.9  
36      */ 
37  
38  public class AbilityDbItem {
39     protected String      agent;
40     protected AbilitySpec ability;
41     
42     public AbilityDbItem() { 
43     }
44  
45     public AbilityDbItem(String agent, AbilitySpec ab) {
46        this.agent = agent;
47        ability = new AbilitySpec(ab);
48     }
49  
50     public AbilityDbItem(AbilityDbItem item) {
51        agent   = item.getAgent();
52        ability = new AbilitySpec(item.getAbility());
53     }
54  
55     public AbilityDbItem duplicate(String name, GenSym genSym) {
56        DuplicationTable table = new DuplicationTable(name,genSym);
57        return duplicate(table);
58     }
59     
60     
61     public AbilityDbItem duplicate(DuplicationTable table) {
62        return new AbilityDbItem(agent,ability.duplicate(table));
63     }
64  
65     public String         getAgent()    { return agent; }
66     public AbilitySpec    getAbility()  { return ability; }
67     public String         getType()     { return ability.getType(); }
68  
69     public boolean resolve(Bindings b) {
70        return ability.resolve(b);
71     }
72  
73     public boolean equals(AbilityDbItem item ) {
74        return agent.equals(item.getAgent()) &&
75               ability.equals(item.getAbility());
76     }
77  
78     public String toString() {
79        return( "(" +
80                 ":agent " + agent + " " +
81                 ":ability " + ability.toString() +
82                ")"
83              );
84     }
85  }