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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.action; 
23  import zeus.concepts.fn.*; 
24  import zeus.concepts.*; 
25  import zeus.rete.*;
26  import zeus.actors.*;
27  /*** 
28      Another layer of abstraction for the re-architected rete engine action handler. 
29      <p>
30      To do : <br>
31      Abstract (build interfaces for: OntologyDb, ConflictSet, ReteEngine... this will 
32      make these actions more portable, and more plugable, I hope. This will also remove 
33      the need for the imports of zeus.concepts.fn, zeus.concepts, zeus.rete and zeus.actors.<p> 
34      @author Simon Thompson
35      @since 1.1
36      @see zeus.rete.actions.ReteAction
37      */
38  public interface BasicAction {
39      
40       public void executeAction (Action a, Info info);
41       public OntologyDb getOntologyDb() ;
42       public void setActuators (ConflictSet conflictHandler, ReteEngine engine);
43       public void setActuators (ConflictSet conflictHandler, AgentContext context);
44       
45       /*** 
46        *the action of a rule provides a service 
47        *actions that can advertise a service need to have it defined here
48        *other actions should return null
49        **/
50       public String getServiceDescription (String language);
51       
52  }