Examples of org.drools.time.impl.PseudoClockScheduler

org.drools.time.impl.PseudoClockScheduler
A PseudoClockScheduler is a scheduler based on a user controlled clock that allows the user to explicitly control current time. @author etirelli

        KnowledgeSessionConfiguration sconf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
        sconf.setOption( ClockTypeOption.get( ClockType.PSEUDO_CLOCK.getId() ) );
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession( sconf,
                                                                               null );


        final PseudoClockScheduler clock = (PseudoClockScheduler) ksession.getSessionClock();
        clock.setStartupTime( 1000 );


        AgendaEventListener ael = mock( AgendaEventListener.class );
        ksession.addEventListener( ael );


        StockTickInterface tick1 = new StockTick( 1,
                                                  "DROO",
                                                  50,
                                                  System.currentTimeMillis(),
                                                  3 );
        StockTickInterface tick2 = new StockTick( 2,
                                                  "ACME",
                                                  10,
                                                  System.currentTimeMillis(),
                                                  3 );
        StockTickInterface tick3 = new StockTick( 3,
                                                  "ACME",
                                                  10,
                                                  System.currentTimeMillis(),
                                                  3 );
        StockTickInterface tick4 = new StockTick( 4,
                                                  "DROO",
                                                  50,
                                                  System.currentTimeMillis(),
                                                  5 );
        StockTickInterface tick5 = new StockTick( 5,
                                                  "ACME",
                                                  10,
                                                  System.currentTimeMillis(),
                                                  5 );
        StockTickInterface tick6 = new StockTick( 6,
                                                  "ACME",
                                                  10,
                                                  System.currentTimeMillis(),
                                                  3 );
        StockTickInterface tick7 = new StockTick( 7,
                                                  "ACME",
                                                  10,
                                                  System.currentTimeMillis(),
                                                  5 );
        StockTickInterface tick8 = new StockTick( 8,
                                                  "ACME",
                                                  10,
                                                  System.currentTimeMillis(),
                                                  3 );


        ksession.insert( tick1 );
        clock.advanceTime( 4,
                           TimeUnit.MILLISECONDS );
        ksession.insert( tick2 );
        clock.advanceTime( 4,
                           TimeUnit.MILLISECONDS );
        ksession.insert( tick3 );
        clock.advanceTime( 4,
                           TimeUnit.MILLISECONDS );
        ksession.insert( tick4 );
        ksession.insert( tick5 );
        clock.advanceTime( 1,
                           TimeUnit.MILLISECONDS );
        ksession.insert( tick6 );
        ksession.insert( tick7 );
        clock.advanceTime( 2,
                           TimeUnit.MILLISECONDS );
        ksession.insert( tick8 );


        ArgumentCaptor<ActivationCreatedEvent> arg = ArgumentCaptor.forClass( ActivationCreatedEvent.class );
        verify( ael ).activationCreated( arg.capture() );

View Full Code Here

        KnowledgeSessionConfiguration sconf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
        sconf.setOption( ClockTypeOption.get( ClockType.PSEUDO_CLOCK.getId() ) );
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession( sconf,
                                                                               null );


        final PseudoClockScheduler clock = (PseudoClockScheduler) ksession.getSessionClock();
        clock.setStartupTime( 1000 );


        AgendaEventListener ael = mock( AgendaEventListener.class );
        ksession.addEventListener( ael );


        StockTickInterface tick1 = new StockTick( 1,
                                                  "DROO",
                                                  50,
                                                  System.currentTimeMillis(),
                                                  3 );
        StockTickInterface tick2 = new StockTick( 2,
                                                  "ACME",
                                                  10,
                                                  System.currentTimeMillis(),
                                                  3 );
        StockTickInterface tick3 = new StockTick( 3,
                                                  "ACME",
                                                  10,
                                                  System.currentTimeMillis(),
                                                  3 );
        StockTickInterface tick4 = new StockTick( 4,
                                                  "DROO",
                                                  50,
                                                  System.currentTimeMillis(),
                                                  5 );
        StockTickInterface tick5 = new StockTick( 5,
                                                  "ACME",
                                                  10,
                                                  System.currentTimeMillis(),
                                                  5 );
        StockTickInterface tick6 = new StockTick( 6,
                                                  "ACME",
                                                  10,
                                                  System.currentTimeMillis(),
                                                  3 );
        StockTickInterface tick7 = new StockTick( 7,
                                                  "ACME",
                                                  10,
                                                  System.currentTimeMillis(),
                                                  5 );
        StockTickInterface tick8 = new StockTick( 8,
                                                  "ACME",
                                                  10,
                                                  System.currentTimeMillis(),
                                                  3 );


        InternalFactHandle fh1 = (InternalFactHandle) ksession.insert( tick1 );
        clock.advanceTime( 4,
                           TimeUnit.MILLISECONDS );
        InternalFactHandle fh2 = (InternalFactHandle) ksession.insert( tick2 );
        clock.advanceTime( 4,
                           TimeUnit.MILLISECONDS );
        ksession.insert( tick3 );
        clock.advanceTime( 4,
                           TimeUnit.MILLISECONDS );
        ksession.insert( tick4 );
        ksession.insert( tick5 );
        clock.advanceTime( 1,
                           TimeUnit.MILLISECONDS );
        ksession.insert( tick6 );
        ksession.insert( tick7 );
        clock.advanceTime( 2,
                           TimeUnit.MILLISECONDS );
        ksession.insert( tick8 );


        ArgumentCaptor<ActivationCreatedEvent> arg = ArgumentCaptor.forClass( ActivationCreatedEvent.class );
        verify( ael ).activationCreated( arg.capture() );

View Full Code Here

        sessionConfig.setOption( ClockTypeOption.get( "pseudo" ) );
        KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase( config );
        knowledgeBase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
        StatefulKnowledgeSession ksession = knowledgeBase.newStatefulKnowledgeSession( sessionConfig,
                                                                                       KnowledgeBaseFactory.newEnvironment() );
        PseudoClockScheduler pseudoClock = ksession.getSessionClock();


        FactHandle h = ksession.insert( new A() );
        ksession.retract( h );
    }

View Full Code Here

        if( globalResolver != null ) {
            session.setGlobalResolver( globalResolver );
        }


        if ( session.getTimerService() instanceof PseudoClockScheduler ) {
            PseudoClockScheduler clock = (PseudoClockScheduler) session.getTimerService();
            clock.advanceTime( _session.getTime(),
                               TimeUnit.MILLISECONDS );
        }


        // RuleFlowGroups need to reference the session
        for ( RuleFlowGroup group : agenda.getRuleFlowGroupsMap().values() ) {

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        SessionConfiguration conf = new SessionConfiguration();
        conf.setClockType( ClockType.PSEUDO_CLOCK );
        StatefulSession wm = ruleBase.newStatefulSession( conf, null );


        final PseudoClockScheduler clock = (PseudoClockScheduler) wm.getSessionClock();


        clock.setStartupTime( 1000 );
        final List results_coincides = new ArrayList();
        final List results_before = new ArrayList();
        final List results_after = new ArrayList();
        final List results_meets = new ArrayList();
        final List results_met_by = new ArrayList();
        final List results_overlaps = new ArrayList();
        final List results_overlapped_by = new ArrayList();
        final List results_during = new ArrayList();
        final List results_includes = new ArrayList();
        final List results_starts = new ArrayList();
        final List results_started_by = new ArrayList();
        final List results_finishes = new ArrayList();
        final List results_finished_by = new ArrayList();


        wm.setGlobal( "results_coincides",
                      results_coincides );
        wm.setGlobal( "results_before",
                      results_before );
        wm.setGlobal( "results_after",
                      results_after );
        wm.setGlobal( "results_meets",
                      results_meets );
        wm.setGlobal( "results_met_by",
                      results_met_by );
        wm.setGlobal( "results_overlaps",
                      results_overlaps );
        wm.setGlobal( "results_overlapped_by",
                      results_overlapped_by );
        wm.setGlobal( "results_during",
                      results_during );
        wm.setGlobal( "results_includes",
                      results_includes );
        wm.setGlobal( "results_starts",
                      results_starts );
        wm.setGlobal( "results_started_by",
                      results_started_by );
        wm.setGlobal( "results_finishes",
                      results_finishes );
        wm.setGlobal( "results_finished_by",
                      results_finished_by );


        StockTick tick1 = new StockTick( 1,
                                         "DROO",
                                         50,
                                         System.currentTimeMillis(),
                                         3 );
        StockTick tick2 = new StockTick( 2,
                                         "ACME",
                                         10,
                                         System.currentTimeMillis(),
                                         3 );
        StockTick tick3 = new StockTick( 3,
                                         "ACME",
                                         10,
                                         System.currentTimeMillis(),
                                         3 );
        StockTick tick4 = new StockTick( 4,
                                         "DROO",
                                         50,
                                         System.currentTimeMillis(),
                                         5 );
        StockTick tick5 = new StockTick( 5,
                                         "ACME",
                                         10,
                                         System.currentTimeMillis(),
                                         5 );
        StockTick tick6 = new StockTick( 6,
                                         "ACME",
                                         10,
                                         System.currentTimeMillis(),
                                         3 );
        StockTick tick7 = new StockTick( 7,
                                         "ACME",
                                         10,
                                         System.currentTimeMillis(),
                                         5 );
        StockTick tick8 = new StockTick( 8,
                                         "ACME",
                                         10,
                                         System.currentTimeMillis(),
                                         3 );


        InternalFactHandle handle1 = (InternalFactHandle) wm.insert( tick1 );
        clock.advanceTime( 4,
                           TimeUnit.MILLISECONDS );
        InternalFactHandle handle2 = (InternalFactHandle) wm.insert( tick2 );
        clock.advanceTime( 4,
                           TimeUnit.MILLISECONDS );
        InternalFactHandle handle3 = (InternalFactHandle) wm.insert( tick3 );
        clock.advanceTime( 4,
                           TimeUnit.MILLISECONDS );
        InternalFactHandle handle4 = (InternalFactHandle) wm.insert( tick4 );
        InternalFactHandle handle5 = (InternalFactHandle) wm.insert( tick5 );
        clock.advanceTime( 1,
                           TimeUnit.MILLISECONDS );
        InternalFactHandle handle6 = (InternalFactHandle) wm.insert( tick6 );
        InternalFactHandle handle7 = (InternalFactHandle) wm.insert( tick7 );
        clock.advanceTime( 2,
                           TimeUnit.MILLISECONDS );
        InternalFactHandle handle8 = (InternalFactHandle) wm.insert( tick8 );


        assertNotNull( handle1 );
        assertNotNull( handle2 );

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                null);


        WorkingMemoryEventListener wml = mock(WorkingMemoryEventListener.class);
        ksession.addEventListener(wml);


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


        final StockTickInterface st1 = new StockTick(1,
                "RHT",
                100,
                1000);
        final StockTickInterface st2 = new StockTick(2,
                "RHT",
                100,
                1000);


        ksession.insert(st1);
        ksession.insert(st2);


        verify(wml,
                times(2)).objectInserted(any(org.drools.event.rule.ObjectInsertedEvent.class));
        assertThat(ksession.getObjects().size(),
                equalTo(2));
        assertThat(ksession.getObjects(),
                hasItems((Object) st1,
                        st2));


        ksession.fireAllRules();


        clock.advanceTime(3,
                TimeUnit.SECONDS);
        ksession.fireAllRules();


        assertThat(ksession.getObjects().size(),
                equalTo(0));

View Full Code Here

        WorkingMemoryEventListener wml = mock(WorkingMemoryEventListener.class);
        ksession.addEventListener(wml);
        AgendaEventListener ael = mock(AgendaEventListener.class);
        ksession.addEventListener(ael);


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


        final StockTickInterface st1 = new StockTick(1,
                "RHT",
                100,
                1000);
        final StockTickInterface st2 = new StockTick(2,
                "RHT",
                100,
                1000);


        ksession.insert(st1);
        ksession.insert(st2);


        verify(wml,
                times(2)).objectInserted(any(org.drools.event.rule.ObjectInsertedEvent.class));
        verify(ael,
                times(2)).activationCreated(any(ActivationCreatedEvent.class));
        assertThat(ksession.getObjects().size(),
                equalTo(2));
        assertThat(ksession.getObjects(),
                hasItems((Object) st1,
                        st2));


        int fired = ksession.fireAllRules();


        assertThat(fired,
                equalTo(2));


        clock.advanceTime(3,
                TimeUnit.SECONDS);
        ksession.fireAllRules();


        assertThat(ksession.getObjects().size(),
                equalTo(0));

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        ExecutionTrace ext = new ExecutionTrace();


        sc.getFixtures().add(ext);


        MockWorkingMemory wm = new MockWorkingMemory();
        PseudoClockScheduler clock = new PseudoClockScheduler();
        long time = new Date().getTime();
        clock.setStartupTime(time);
        clock.setSession(wm);
        wm.setSessionClock(clock);


        ScenarioRunner run = new ScenarioRunner(sc,
                null,
                wm);

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    // F**** dates in java. What a mess. Someone should die.
    @Test
    public void testSimulatedDate() throws Exception {
        Scenario sc = new Scenario();
        MockWorkingMemory wm = new MockWorkingMemory();
        PseudoClockScheduler clock = new PseudoClockScheduler();
        long time = new Date().getTime();
        clock.setStartupTime(time);
        clock.setSession(wm);
        wm.setSessionClock(clock);
        ScenarioRunner run = new ScenarioRunner(sc,
                null,
                wm);

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        knowledgeBase.addKnowledgePackages( Collections.singleton( (KnowledgePackage) impl ) );
        SessionConfiguration config = new SessionConfiguration();
        config.setClockType( ClockType.PSEUDO_CLOCK );
        StatefulKnowledgeSession ksession = knowledgeBase.newStatefulKnowledgeSession( config, KnowledgeBaseFactory.newEnvironment() );
        PseudoClockScheduler scheduler = (PseudoClockScheduler) ksession.<SessionClock> getSessionClock();
        Marshaller marshaller = MarshallerFactory.newMarshaller( knowledgeBase );


        ksession.insert( "cheese" );
        assertTrue( fired.isEmpty() );
        //marshall, then unmarshall session
        readWrite( knowledgeBase, ksession, config );
        //the activations should fire after 10 seconds
        assertTrue( fired.isEmpty() );
        scheduler.advanceTime( 12, TimeUnit.SECONDS );
        assertFalse( fired.isEmpty() );


    }

View Full Code Here

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