/*
* 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.helloworld;
import java.util.ArrayList;
import java.util.List;
import org.kie.api.KieServices;
import org.kie.api.event.rule.DebugAgendaEventListener;
import org.kie.api.event.rule.DebugRuleRuntimeEventListener;
import org.kie.api.runtime.KieContainer;
import org.kie.api.runtime.KieSession;
/**
* This is a sample file to launch a rule package from a rule source file.
*/
public class HelloWorldExample {
public static final void main(final String[] args) {
// KieServices is the factory for all KIE services
KieServices ks = KieServices.Factory.get();
// From the kie services, a container is created from the classpath
KieContainer kc = ks.getKieClasspathContainer();
// From the container, a session is created based on
// its definition and configuration in the META-INF/kmodule.xml file
KieSession ksession = kc.newKieSession("HelloWorldKS");
// Once the session is created, the application can interact with it
// In this case it is setting a global as defined in the
// org/drools/examples/helloworld/HelloWorld.drl file
ksession.setGlobal( "list",
new ArrayList<Object>() );
// The application can also setup listeners
ksession.addEventListener( new DebugAgendaEventListener() );
ksession.addEventListener( new DebugRuleRuntimeEventListener() );
// To setup a file based audit logger, uncomment the next line
// KieRuntimeLogger logger = ks.getLoggers().newFileLogger( ksession, "./helloworld" );
// To setup a ThreadedFileLogger, so that the audit view reflects events whilst debugging,
// uncomment the next line
// KieRuntimeLogger logger = ks.getLoggers().newThreadedFileLogger( ksession, "./helloworld", 1000 );
// The application can insert facts into the session
final Message message = new Message();
message.setMessage( "Hello World" );
message.setStatus( Message.HELLO );
ksession.insert( message );
// and fire the rules
ksession.fireAllRules();
// Remove comment if using logging
// logger.close();
// and then dispose the session
ksession.dispose();
}
public static class Message {
public static final int HELLO = 0;
public static final int GOODBYE = 1;
private String message;
private int status;
public Message() {
}
public String getMessage() {
return this.message;
}
public void setMessage(final String message) {
this.message = message;
}
public int getStatus() {
return this.status;
}
public void setStatus(final int status) {
this.status = status;
}
public static Message doSomething(Message message) {
return message;
}
public boolean isSomething(String msg,
List<Object> list) {
list.add( this );
return this.message.equals( msg );
}
}
}