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 * @(#)s3.java 1.03b
23 */
24
25
26 package zeus.actors.graphs;
27
28 import java.util.*;
29 import zeus.util.*;
30 import zeus.concepts.*;
31 import zeus.actors.*;
32 import zeus.actors.rtn.*;
33 import zeus.actors.rtn.util.*;
34
35 public class s3 extends Node {
36 public s3() {
37 super("s3");
38 }
39 // ST 050500 1.03bB node description due to CVB
40 private String node_desc = "do for each external precondition";
41
42
43 public final String getDesc()
44 {return node_desc;}
45
46
47 public final void setDesc(String node_desc)
48 {this.node_desc = node_desc;}
49 // ST 050500 1.03bE
50 // memory useful for backtracking
51 private DStruct[] data = null;
52
53 protected int exec() {
54 GraphStruct gs = (GraphStruct)input;
55 Core.DEBUG(2,"s3 Input gs = " + gs);
56
57 // Now create split node for next_lot
58 data = new DStruct[gs.external.size()];
59 for(int i = 0; i < data.length; i++ ) {
60 data[i] = new DStruct();
61 data[i].goal = new Vector();
62 data[i].goal.addElement(gs.external.elementAt(i));
63 data[i].ignore = gs.ignore_agents;
64 data[i].gs = gs;
65 }
66 output = data;
67 return OK;
68 }
69 protected void reset() {
70 // reset any state changed by exec()
71 }
72 }