ruleenginetestexternal.java

人工智能中Agent开发包。多 Agent 系统是处理自治 Agent 之间知识层的协作问题

/*
* The contents of this file are subject to the BT "ZEUS" Open Source 
* Licence (L77741), Version 1.0 (the "Licence"); you may not use this file 
* except in compliance with the Licence. You may obtain a copy of the Licence
* from $ZEUS_INSTALL/licence.html or alternatively from
* http://www.labs.bt.com/projects/agents/zeus/licence.htm
* 
* Except as stated in Clause 7 of the Licence, software distributed under the
* Licence is distributed WITHOUT WARRANTY OF ANY KIND, either express or 
* implied. See the Licence for the specific language governing rights and 
* limitations under the Licence.
* 
* The Original Code is within the package zeus.*.
* The Initial Developer of the Original Code is British Telecommunications
* public limited company, whose registered office is at 81 Newgate Street, 
* London, EC1A 7AJ, England. Portions created by British Telecommunications 
* public limited company are Copyright 1996-9. All Rights Reserved.
* 
* THIS NOTICE MUST BE INCLUDED ON ANY COPY OF THIS FILE
*/

import zeus.actors.*; 
import zeus.concepts.*;
import zeus.agents.*;

public class RuleEngineTestExternal implements ZeusExternal {
    
    
    /** 
        this external asserts facts in the ResourceDb very quickly in order to see 
        that the appropriate rules are fired
        */
    public void exec(AgentContext context ) { 
        ResourceDb rdb = context.getResourceDb(); 
        OntologyDb ont = context.getOntologyDb();
        int testNumber = 0; 
        while (testNumber<100) { // run until stopped!
            testNumber++;
            System.out.println("Asserting "+ testNumber + " facts");  
            for (int count = 0; count < testNumber; count++ ) {
                Fact f = ont.getFact(Fact.FACT, "Entity"); 
                rdb.add(f); }    
            // pause so that we can check what has happened
           try {
                Thread.sleep(3000);
            } catch (Exception e) { 
                e.printStackTrace(); // which will never happen!
            }
                
          }
    }
    
}