package org.drools.examples;
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.PackageBuilder;
import org.drools.event.AfterActivationFiredEvent;
import org.drools.event.DefaultAgendaEventListener;
public class StateExampleUsingAgendGroup {
/**
* @param args
*/
public static void main(final String[] args) throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl( new InputStreamReader( StateExampleUsingAgendGroup.class.getResourceAsStream( "StateExampleUsingAgendGroup.drl" ) ) );
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" );
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();
}
}