/*
* 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.state;
import java.io.IOException;
import java.io.InputStreamReader;
import org.drools.RuleBase;
import org.drools.RuleBaseFactory;
import org.drools.StatefulSession;
import org.drools.audit.WorkingMemoryFileLogger;
import org.drools.compiler.DroolsParserException;
import org.drools.compiler.PackageBuilder;
import org.drools.event.AfterActivationFiredEvent;
import org.drools.event.DefaultAgendaEventListener;
public class StateExampleUsingAgendaGroup {
/**
* @param args
*/
public static void main(final String[] args) {
final PackageBuilder builder = new PackageBuilder();
try {
builder.addPackageFromDrl( new InputStreamReader( StateExampleUsingAgendaGroup.class.getResourceAsStream( "StateExampleUsingAgendaGroup.drl" ) ) );
} catch (DroolsParserException e) {
throw new IllegalArgumentException("Invalid drl", e);
} catch (IOException e) {
throw new IllegalArgumentException("Could not read drl", e);
}
final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( builder.getPackage() );
final StatefulSession session = ruleBase.newStatefulSession();
session.addEventListener( new DefaultAgendaEventListener() {
public void afterActivationFired(final AfterActivationFiredEvent arg0) {
super.afterActivationFired( arg0,
session );
}
} );
// final WorkingMemoryFileLogger logger = new WorkingMemoryFileLogger( session );
// logger.setFileName( "log/state.log" );
final State a = new State( "A" );
final State b = new State( "B" );
final State c = new State( "C" );
final State d = new State( "D" );
// By setting dynamic to TRUE, Drools will use JavaBean
// PropertyChangeListeners so you don't have to call update().
final boolean dynamic = true;
session.insert( a,
dynamic );
session.insert( b,
dynamic );
session.insert( c,
dynamic );
session.insert( d,
dynamic );
session.fireAllRules();
session.dispose();
// logger.writeToDisk();
}
}