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.*;
31 import zeus.actors.rtn.util.*;
32
33 public class a2 extends Arc {
34 public a2() {
35 super("a2");
36 }
37 protected boolean exec() {
38 GraphStruct gs = (GraphStruct) input;
39 Goal g = (Goal)gs.goal.elementAt(0);
40
41 if ( gs.external.isEmpty() &&
42 gs.agent.equals(context.whoami()) ) {
43 output = input;
44 return true;
45 }
46 return false;
47 }
48 }