/**
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.examples.conway;
import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseFactory;
import org.drools.builder.KnowledgeBuilder;
import org.drools.builder.KnowledgeBuilderFactory;
import org.drools.builder.ResourceType;
import org.drools.io.ResourceFactory;
import org.drools.runtime.StatefulKnowledgeSession;
public class AgendaGroupDelegate
implements
ConwayRuleDelegate {
private StatefulKnowledgeSession session;
public AgendaGroupDelegate() {
try {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newClassPathResource( "conway-agendagroup.drl",
getClass() ),
ResourceType.DRL );
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
this.session = kbase.newStatefulKnowledgeSession();
} catch ( Exception e ) {
throw new RuntimeException( e );
}
}
/* (non-Javadoc)
* @see org.drools.examples.conway.ConwayRuleDelegate#getSession()
*/
public StatefulKnowledgeSession getSession() {
return this.session;
}
/* (non-Javadoc)
* @see org.drools.examples.conway.ConwayRuleDelegate#init()
*/
public void init() {
this.session.getAgenda().getAgendaGroup( "register neighbor" ).setFocus();
this.session.fireAllRules();
this.session.getAgenda().getAgendaGroup( "calculate" ).clear();
}
/* (non-Javadoc)
* @see org.drools.examples.conway.CellGrid#nextGeneration()
*/
/* (non-Javadoc)
* @see org.drools.examples.conway.ConwayRuleDelegate#nextGeneration()
*/
public boolean nextGeneration() {
// System.out.println( "next generation" );
this.session.getAgenda().getAgendaGroup( "kill" ).setFocus();
this.session.getAgenda().getAgendaGroup( "birth" ).setFocus();
this.session.getAgenda().getAgendaGroup( "reset calculate" ).setFocus();
this.session.getAgenda().getAgendaGroup( "rest" ).setFocus();
this.session.getAgenda().getAgendaGroup( "evaluate" ).setFocus();
this.session.getAgenda().getAgendaGroup( "calculate" ).setFocus();
return session.fireAllRules() != 0;
//return session.getAgenda().getAgendaGroup( "calculate" ).size() != 0;
}
/* (non-Javadoc)
* @see org.drools.examples.conway.CellGrid#killAll()
*/
/* (non-Javadoc)
* @see org.drools.examples.conway.ConwayRuleDelegate#killAll()
*/
public void killAll() {
this.session.getAgenda().getAgendaGroup( "calculate" ).setFocus();
this.session.getAgenda().getAgendaGroup( "kill all" ).setFocus();
this.session.getAgenda().getAgendaGroup( "calculate" ).setFocus();
this.session.fireAllRules();
}
}