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.rete;
25
26 import java.util.*;
27 import zeus.util.*;
28 import zeus.concepts.*;
29 import zeus.concepts.fn.*;
30
31
32 class ActionNode extends Node {
33 String rule_name = null;
34 int salience = 0;
35 Vector actions = null;
36 Vector constraints = new Vector();
37
38 class Entry { int position; String attribute; ValueFunction value; }
39
40 ActionNode(ReteEngine engine, String rule_name, int salience, Vector actions) {
41 super(engine);
42 this.rule_name = rule_name;
43 this.actions = actions;
44 this.salience = salience;
45 }
46
47
48 void evaluate(String path, int tag, int type, Vector input, Bindings b) {
49 Assert.notFalse(type == ACTION);
50 engine.getConfictSet().update(path,tag,input,b,this);
51
52 }
53
54
55 public String toString() {
56 return "ActionNode(" + rule_name + "[" + salience + "]," + actions + ")";
57 }
58 }