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 package zeus.rete.action;
24 import zeus.rete.*;
25 import zeus.concepts.fn.*;
26 import zeus.util.*;
27
28 /***
29
30 @author Simon Thompson
31 @since 1.1
32 */
33 public class IfAction extends ReteAction{
34
35 /***
36 if action rete RHS
37 */
38 public void executeAction (Action a, Info info) {
39 ValueFunction var = ((ValueFunction)a.head).resolve(info.getBindings());
40 /* if ( var == null || var.getID() != ValueFunction.BOOL ) {
41 Core.USER_ERROR("Cannot resolve '" + a.head + "' in action " + a);
42 return;
43 }*/
44 if ( ((BoolFn)var).getValue() ) {
45 for(int i = 0; i < a.items.size(); i++ ) {
46 AbstractActionFactory actionFact = new AbstractActionFactory();
47 ActionFactory factory = actionFact.getActionFactory ();
48 try {
49 Action b = (Action)a.items.elementAt(i);
50 System.out.println("generating action");
51 BasicAction action = factory.getAction(b.type);
52 action.setActuators(this.conflictHandler,context);
53 System.out.println("Action was : " + action.toString());
54 action.executeAction (b,info); }
55 catch (Exception e) {
56 e.printStackTrace(); }
57 //Action b = (Action)a.items.elementAt(i);
58 //executeAction(b,info);
59 }
60 }
61 else {
62 for(int i = 0; i < a.sub_items.size(); i++ ) {
63 AbstractActionFactory actionFact = new AbstractActionFactory();
64 ActionFactory factory = actionFact.getActionFactory ();
65 try {
66 Action b = (Action)a.sub_items.elementAt(i);
67 System.out.println("generating action");
68 BasicAction action = factory.getAction(b.type);
69 action.setActuators(this.conflictHandler,context);
70 System.out.println("Action was : " + action.toString());
71 action.executeAction (b,info); }
72 catch (Exception e) {
73 e.printStackTrace(); }
74 //Action b = (Action)a.sub_items.elementAt(i);
75 //executeAction(b,info);
76 }
77 }
78 }
79
80
81 }