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 package zeus.rete;
23 import zeus.concepts.*;
24
25 /***
26 FactAction is a conveinience class so that a fact can be placed on the reteEngine
27 queue for later processing using the Zeus thread safe pattern
28 @see reteEngine
29 @author Simon Thompson
30 @since 1.1
31 */
32 public class FactAction {
33
34
35 /***
36 defined these fields as int not boolean so that the class can be extended later
37 */
38 public static final int ADD = 0;
39 public static final int DELETE = 0;
40
41
42 private Fact fact = null;
43 private int action = 0;
44
45 public void setFact (Fact fact){
46 this.fact = fact;
47 }
48
49
50 public Fact getFact () {
51 return this.fact;
52 }
53
54
55 public void setAction (int action) {
56 this.action = action; }
57
58
59 public boolean isAdd () {
60 if (action == this.ADD)
61 return true;
62 else
63 return false;
64 }
65
66
67 public boolean isDelete () {
68 if (action == this.DELETE)
69 return true;
70 else
71 return false;
72 }
73
74 }
75
76
77
78
79