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.graphs;
25
26 import java.util.*;
27 import zeus.util.*;
28 import zeus.concepts.*;
29 import zeus.actors.*;
30 import zeus.actors.rtn.util.*;
31
32 public class DefaultRespondentEvaluator extends StrategyEvaluator {
33 // parameters
34 double percentage;
35 double reserve_price = 0;
36
37 double price = 0;
38 double actual_cost = 0;
39
40 public int evaluateFirst(Vector goals, ProtocolDbResult info) {
41 this.goals = goals;
42 this.protocolInfo = info;
43
44 // set up parameters
45 percentage = getDoubleParam("percent",100)/100.0;
46 reserve_price = getDoubleParam("reservation.price",Double.MIN_VALUE);
47
48 Goal g = (Goal)goals.elementAt(0);
49 actual_cost = g.getCost();
50
51 price = Math.max(percentage*actual_cost,reserve_price);
52
53 g.setCost(price);
54 return MESSAGE;
55 }
56
57 public int evaluateNext(DelegationStruct ds) {
58 this.goals = ds.goals;
59 return ds.msg_type.equals("accept-proposal") ? OK : FAIL;
60 }
61 }