KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add( ResourceFactory.newByteArrayResource(drl.getBytes()), ResourceType.DRL);
    if ( kbuilder.hasErrors() ) {
        fail( kbuilder.getErrors().toString() );
    }

    KieBaseConfiguration config = KieServices.Factory.get().newKieBaseConfiguration();
    config.setOption( EventProcessingOption.STREAM );


    KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(config);
    kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );


    KieSessionConfiguration conf = KieServices.Factory.get().newKieSessionConfiguration();
    conf.setOption( ClockTypeOption.get("pseudo") );
    ksession = kbase.newStatefulKnowledgeSession(conf, null);




    SessionPseudoClock clock = ksession.getSessionClock();

    //Initializing some rule globals
    ksession.setGlobal("firstFoundList", new HashMap<String, String>());
    ksession.setGlobal("firstFoundIdList", new HashMap<String, Integer>());

    //array used to capture the matches inside the rule
    ksession.setGlobal("matchCollector", new ArrayList<String>());


     new Thread(new Runnable() {

        public void run() {
            ksession.fireUntilHalt();
        }
    }).start();


    for (Event e: events){
        ksession.getEntryPoint(STREAM).insert(new AnEvent(e));
        //Thread.sleep(1000);
        clock.advanceTime( 1, TimeUnit.SECONDS );
        System.out.println("event inserted:"+e.getId());
    }

<dependencies>

    <dependency>
        <groupId>org.drools</groupId>
        <artifactId>drools-core</artifactId>
        <version>7.0.0.Beta5</version>
    </dependency>

    <dependency>
        <groupId>org.drools</groupId>
        <artifactId>drools-compiler</artifactId>
        <version>7.0.0.Beta5</version>
    </dependency>

    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.12</version>
    </dependency>

    <dependency>
        <groupId>commons-lang</groupId>
        <artifactId>commons-lang</artifactId>
        <version>2.6</version>
    </dependency>

</dependencies>