Package org.drools.core.time

Examples of org.drools.core.time.SessionPseudoClock


        KieSessionConfiguration sessionConfig = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
        sessionConfig.setOption( ClockTypeOption.get("pseudo") );
        //init stateful knowledge session
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession( sessionConfig, null );
        SessionPseudoClock clock = ksession.getSessionClock();
        ArrayList list = new ArrayList(  );
        ksession.setGlobal( "list", list );

        long now = 0;

        StockTick event1 = new StockTick( 1, "XXX", 1.0, now );
        StockTick event2 = new StockTick( 2, "XXX", 1.0, now + 240 );
        StockTick event3 = new StockTick( 2, "XXX", 1.0, now + 380 );
        StockTick event4 = new StockTick( 2, "XXX", 1.0, now + 500 );

        ksession.insert( event1 );
        ksession.insert( event2 );
        ksession.insert( event3 );
        ksession.insert( event4 );

        clock.advanceTime( 220, TimeUnit.MILLISECONDS );

        ksession.fireAllRules();

        clock.advanceTime( 400, TimeUnit.MILLISECONDS );

        ksession.fireAllRules();

        assertEquals( Arrays.asList( 3L, 1L ), list );
    }
View Full Code Here


        KieSessionConfiguration sessionConfig = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
        sessionConfig.setOption( ClockTypeOption.get( ClockType.PSEUDO_CLOCK.getId() ) );

        //init stateful knowledge session
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession( sessionConfig, null );
        SessionPseudoClock clock = ksession.getSessionClock();

        ArrayList list = new ArrayList( );
        ksession.setGlobal( "list", list );

        ksession.fireAllRules();
        list.clear();

        for ( int j = 0; j < 5; j++ ) {
            clock.advanceTime( 500, TimeUnit.MILLISECONDS );
            ksession.insert( new MyEvent( clock.getCurrentTime() ) );
            ksession.getEntryPoint( "stream" ).insert( new MyEvent( clock.getCurrentTime() ) );
            clock.advanceTime( 500, TimeUnit.MILLISECONDS );
            ksession.fireAllRules();

            System.out.println( list );
            switch ( j ) {
                case 0 : assertEquals( Arrays.asList( 1, 1, 0, 1, 1, 0 ), list );
View Full Code Here

        KieSessionConfiguration sessionConfig = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
        sessionConfig.setOption( ClockTypeOption.get( ClockType.PSEUDO_CLOCK.getId() ) );

        //init stateful knowledge session
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession( sessionConfig, null );
        SessionPseudoClock clock = ksession.getSessionClock();

        ArrayList list = new ArrayList( );
        ksession.setGlobal( "list", list );

        ksession.insert( "go" );
        ksession.fireAllRules();

        clock.advanceTime( 100, TimeUnit.MILLISECONDS );

        ksession.insert( "go" );
        ksession.fireAllRules();

        clock.advanceTime( 500, TimeUnit.MILLISECONDS );

        ksession.insert( "go" );
        ksession.fireAllRules();

        assertEquals( Arrays.asList( 1L, 2L, 1L ), list );
View Full Code Here

        sessionConfig.setOption( ClockTypeOption.get( ClockType.PSEUDO_CLOCK.getId() ) );

        //init stateful knowledge session
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession( sessionConfig, null );

        SessionPseudoClock clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();

        // generate the event
        ksession.fireAllRules();

        // move on..
        clock.advanceTime( 10, TimeUnit.SECONDS );

        ksession.fireAllRules();

        // The event should still be there...
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        KnowledgeBase kbase = loadKnowledgeBase( "test_CEP_SimpleEventAssertion.drl" );
        KieSessionConfiguration conf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
        conf.setOption( ClockTypeOption.get("pseudo") );
        StatefulKnowledgeSession session = createKnowledgeSession(kbase, conf);

        SessionPseudoClock clock = (SessionPseudoClock) session.<SessionClock>getSessionClock();

        final List results = new ArrayList();

        session.setGlobal( "results",
                           results );

        StockTickInterface tick1 = new StockTick( 1,
                                                  "DROO",
                                                  50,
                                                  10000 );
        StockTickInterface tick2 = new StockTick( 2,
                                                  "ACME",
                                                  10,
                                                  10010 );
        StockTickInterface tick3 = new StockTick( 3,
                                                  "ACME",
                                                  10,
                                                  10100 );
        StockTickInterface tick4 = new StockTick( 4,
                                                  "DROO",
                                                  50,
                                                  11000 );

        InternalFactHandle handle1 = (InternalFactHandle) session.insert( tick1 );
        clock.advanceTime( 10,
                           TimeUnit.SECONDS );
        InternalFactHandle handle2 = (InternalFactHandle) session.insert( tick2 );
        clock.advanceTime( 30,
                           TimeUnit.SECONDS );
        InternalFactHandle handle3 = (InternalFactHandle) session.insert( tick3 );
        clock.advanceTime( 20,
                           TimeUnit.SECONDS );
        InternalFactHandle handle4 = (InternalFactHandle) session.insert( tick4 );
        clock.advanceTime( 10,
                           TimeUnit.SECONDS );

        assertNotNull( handle1 );
        assertNotNull( handle2 );
        assertNotNull( handle3 );
View Full Code Here

        KnowledgeBase kbase = loadKnowledgeBase( "test_CEP_SimpleAnnotatedEventAssertion.drl" );
        KieSessionConfiguration conf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
        conf.setOption( ClockTypeOption.get("pseudo") );
        StatefulKnowledgeSession session = createKnowledgeSession(kbase, conf);

        SessionPseudoClock clock = (SessionPseudoClock) session.<SessionClock>getSessionClock();

        final List results = new ArrayList();

        session.setGlobal( "results",
                           results );

        StockTickInterface tick1 = new StockTickEvent( 1,
                                                      "DROO",
                                                      50,
                                                      10000 );
        StockTickInterface tick2 = new StockTickEvent( 2,
                                                      "ACME",
                                                      10,
                                                      10010 );
        StockTickInterface tick3 = new StockTickEvent( 3,
                                                      "ACME",
                                                      10,
                                                      10100 );
        StockTickInterface tick4 = new StockTickEvent( 4,
                                                      "DROO",
                                                      50,
                                                      11000 );

        InternalFactHandle handle1 = (InternalFactHandle) session.insert( tick1 );
        clock.advanceTime( 10,
                           TimeUnit.SECONDS );
        InternalFactHandle handle2 = (InternalFactHandle) session.insert( tick2 );
        clock.advanceTime( 30,
                           TimeUnit.SECONDS );
        InternalFactHandle handle3 = (InternalFactHandle) session.insert( tick3 );
        clock.advanceTime( 20,
                           TimeUnit.SECONDS );
        InternalFactHandle handle4 = (InternalFactHandle) session.insert( tick4 );
        clock.advanceTime( 10,
                           TimeUnit.SECONDS );

        assertNotNull( handle1 );
        assertNotNull( handle2 );
        assertNotNull( handle3 );
View Full Code Here

        StatefulKnowledgeSession ksession = createKnowledgeSession(kbase, sconf);

        EntryPoint eventStream = ksession.getEntryPoint( "Event Stream" );

        SessionPseudoClock clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();

        final List results = new ArrayList();
        ksession.setGlobal( "results",
                            results );

        EventFactHandle handle1 = (EventFactHandle) eventStream.insert( new StockTick( 1,
                                                                                       "ACME",
                                                                                       50,
                                                                                       System.currentTimeMillis(),
                                                                                       3 ) );

        ksession.fireAllRules();

        clock.advanceTime( 11,
                           TimeUnit.SECONDS );
        /** clock.advance() will put the event expiration in the queue to be executed,
            but it has to wait for a "thread" to do that
            so we fire rules again here to get that
            alternative could run fireUntilHalt() **/
 
View Full Code Here

        wm.setGlobal( "results",
                      results );

        // how to initialize the clock?
        // how to configure the clock?
        SessionPseudoClock clock = (SessionPseudoClock) wm.getSessionClock();

        clock.advanceTime( 5,
                           TimeUnit.SECONDS ); // 5 seconds
        EventFactHandle handle1 = (EventFactHandle) wm.insert( new OrderEvent( "1",
                                                                               "customer A",
                                                                               70 ) );
        assertEquals( 5000,
                      handle1.getStartTimestamp() );
        assertEquals( 0,
                      handle1.getDuration() );

        //        wm  = SerializationHelper.getSerialisedStatefulSession( wm );
        //        results = (List) wm.getGlobal( "results" );
        //        clock = (SessionPseudoClock) wm.getSessionClock();

        wm.fireAllRules();

        assertEquals( 1,
                      results.size() );
        assertEquals( 70,
                      ((Number) results.get( 0 )).intValue() );

        // advance clock and assert new data
        clock.advanceTime( 10,
                           TimeUnit.SECONDS ); // 10 seconds
        EventFactHandle handle2 = (EventFactHandle) wm.insert( new OrderEvent( "2",
                                                                               "customer A",
                                                                               60 ) );
        assertEquals( 15000,
                      handle2.getStartTimestamp() );
        assertEquals( 0,
                      handle2.getDuration() );

        wm.fireAllRules();

        assertEquals( 2,
                      results.size() );
        assertEquals( 65,
                      ((Number) results.get( 1 )).intValue() );

        // advance clock and assert new data
        clock.advanceTime( 10,
                           TimeUnit.SECONDS ); // 10 seconds
        EventFactHandle handle3 = (EventFactHandle) wm.insert( new OrderEvent( "3",
                                                                               "customer A",
                                                                               50 ) );
        assertEquals( 25000,
                      handle3.getStartTimestamp() );
        assertEquals( 0,
                      handle3.getDuration() );

        wm.fireAllRules();

        assertEquals( 3,
                      results.size() );
        assertEquals( 60,
                      ((Number) results.get( 2 )).intValue() );

        // advance clock and assert new data
        clock.advanceTime( 10,
                           TimeUnit.SECONDS ); // 10 seconds
        EventFactHandle handle4 = (EventFactHandle) wm.insert( new OrderEvent( "4",
                                                                               "customer A",
                                                                               25 ) );
        assertEquals( 35000,
                      handle4.getStartTimestamp() );
        assertEquals( 0,
                      handle4.getDuration() );

        wm.fireAllRules();

        // first event should have expired, making average under the rule threshold, so no additional rule fire
        assertEquals( 3,
                      results.size() );

        // advance clock and assert new data
        clock.advanceTime( 10,
                           TimeUnit.SECONDS ); // 10 seconds
        EventFactHandle handle5 = (EventFactHandle) wm.insert( new OrderEvent( "5",
                                                                               "customer A",
                                                                               70 ) );
        assertEquals( 45000,
                      handle5.getStartTimestamp() );
        assertEquals( 0,
                      handle5.getDuration() );

        //        wm  = SerializationHelper.serializeObject(wm);
        wm.fireAllRules();

        // still under the threshold, so no fire
        assertEquals( 3,
                      results.size() );

        // advance clock and assert new data
        clock.advanceTime( 10,
                           TimeUnit.SECONDS ); // 10 seconds
        EventFactHandle handle6 = (EventFactHandle) wm.insert( new OrderEvent( "6",
                                                                               "customer A",
                                                                               115 ) );
        assertEquals( 55000,
View Full Code Here

        final List results = new ArrayList();

        wm.setGlobal( "results",
                      results );

        SessionPseudoClock clock = (SessionPseudoClock) wm.getSessionClock();

        clock.advanceTime( 10,
                           TimeUnit.SECONDS );

        StockTickInterface st1O = new StockTick( 1,
                                                 "DROO",
                                                 100,
                                                 clock.getCurrentTime() );

        EventFactHandle st1 = (EventFactHandle) wm.insert( st1O );

        wm.fireAllRules();

        // should not fire, because it must wait 10 seconds
        assertEquals( 0,
                      results.size() );

        clock.advanceTime( 5,
                           TimeUnit.SECONDS );

        EventFactHandle st2 = (EventFactHandle) wm.insert( new StockTick( 1,
                                                                          "DROO",
                                                                          80,
                                                                          clock.getCurrentTime() ) );

        wm.fireAllRules();

        // should still not fire, because it must wait 5 more seconds, and st2 has lower price (80)
        assertEquals( 0,
                      results.size() );
        // assert new data
        wm.fireAllRules();

        clock.advanceTime( 6,
                           TimeUnit.SECONDS );

        wm.fireAllRules();

        // should fire, because waited for 10 seconds and no other event arrived with a price increase
View Full Code Here

        // Getting a pre-epoch date (i.e., before 1970)
        Calendar ts = Calendar.getInstance();
        ts.set( 1900, 1, 1 );
       
        // Initializing the clock to that date
        SessionPseudoClock clock = ksession.getSessionClock();
        clock.advanceTime( ts.getTimeInMillis(), TimeUnit.MILLISECONDS );
       
        // rule X should not be delayed as the delay would be infinite
        int rules = ksession.fireAllRules();
        assertEquals( 2, rules );
       
View Full Code Here

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