/*
* Copyright 2011 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.traits;
import org.drools.core.io.impl.ClassPathResource;
import org.kie.internal.KnowledgeBase;
import org.kie.internal.KnowledgeBaseFactory;
import org.kie.internal.builder.KnowledgeBuilder;
import org.kie.internal.builder.KnowledgeBuilderFactory;
import org.kie.api.io.ResourceType;
import org.kie.internal.runtime.StatefulKnowledgeSession;
import java.util.Collection;
public class TraitExample {
private static StatefulKnowledgeSession getSession( String drl ) {
KnowledgeBuilder kBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kBuilder.add( new ClassPathResource( "org/drools/examples/traits/" + drl ), ResourceType.DRL );
if ( kBuilder.hasErrors() ) {
System.err.println( kBuilder.getErrors().toString() );
}
KnowledgeBase kBase = KnowledgeBaseFactory.newKnowledgeBase();
kBase.addKnowledgePackages( kBuilder.getKnowledgePackages() );
return kBase.newStatefulKnowledgeSession();
}
public static void run( String demo ) {
StatefulKnowledgeSession kSession = getSession( demo );
kSession.fireAllRules();
Collection c = kSession.getObjects();
System.out.println( "------------------------- " + c.size() + " ----------------------" );
for ( Object o : c ) {
System.out.println( " \t --- " + o );
}
System.out.println( "-----------------------------------------------------------------" );
kSession.dispose();
}
public static void main( String[] args ) {
run( "noTraits.drl" );
run( "traitsDon.drl" );
run( "multipleTraits.drl" );
run( "traitsMixins.drl" );
run( "traitsShed.drl" );
}
}