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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.actors;
25  
26  import java.util.*;
27  import zeus.util.*;
28  import zeus.concepts.*;
29  
30  
31  public class EffectChain {
32     public PlanRecord record = null;
33     public int position = -1;
34     public int amount = -1;
35     public int start = -1;
36     public boolean consumed = true;
37     public String key = null;
38  
39     // meaningless init  to allow rearch
40     public EffectChain () {
41     ;
42     }
43     
44  
45     public EffectChain(PlanRecord record, int position, int amount,
46                        int start, boolean consumed) {
47        Assert.notNull(record);
48        Assert.notFalse(position > -1);
49        Assert.notFalse(amount >  0);
50        Assert.notFalse(start >  0);
51        this.record = record;
52        this.position = position;
53        this.amount = amount;
54        this.start = start;
55        this.consumed = consumed;
56     }
57     public EffectChain(String key, int amount, int start, boolean consumed) {
58        Assert.notNull(key);
59        Assert.notFalse(amount > 0);
60        Assert.notFalse(start >  0);
61        this.key = key;
62        this.amount = amount;
63        this.start = start;
64        this.consumed = consumed;
65     }
66     public EffectChain(EffectChain ch) {
67        if ( ch.isExternal() ) {
68           this.key = ch.key;
69           this.amount = ch.amount;
70        }
71        else {
72           this.record = ch.record;
73           this.position = ch.position;
74           this.amount = ch.amount;
75        }
76        this.start = ch.start;
77        this.consumed = ch.consumed;
78     }
79     public boolean isExternal() { return key != null; }
80     public String toString() {
81        String out = "EffectChain(";
82        if ( isExternal() )
83           out += key + "," + amount + "," + start + "," + consumed;
84        else 
85           out += record + "," + position + "," + amount + "," + start + "," +
86                  consumed;
87  
88        out += ")";
89        return out;
90     }
91  }