Examples of org.drools.core.time.SessionPseudoClock

org.drools.core.time.SessionPseudoClock
A clock interface for the implementation of pseudo clocks, that are clocks where the user have control over the actual clock working. Pseudo clocks are particularly useful for simulations, "what if" scenario runs, and for tests.

            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


            // there is no next job, so returns -1
            assertEquals( -1,
                          wm.getTimeToNextJob() );
            wm.insert( new OrderEvent( "1",
                                       "customer A",
                                       70 ) );
            assertEquals( 0,
                          wm.getIdleTime() );
            // now, there is a next job in 30 seconds: expire the event
            assertEquals( 30000,
                          wm.getTimeToNextJob() );


            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
            // next job is in 20 seconds: expire the event
            assertEquals( 20000,
                          wm.getTimeToNextJob() );


            wm.insert( new OrderEvent( "2",
                                       "customer A",
                                       60 ) );
            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
            // next job is in 10 seconds: expire the event
            assertEquals( 10000,
                          wm.getTimeToNextJob() );


            wm.insert( new OrderEvent( "3",
                                       "customer A",
                                       50 ) );
            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
            // advancing clock time will cause events to expire
            assertEquals( 0,
                          wm.getIdleTime() );
            // next job is in 10 seconds: expire another event
            //assertEquals( 10000, iwm.getTimeToNextJob());


            wm.insert( new OrderEvent( "4",
                                       "customer A",
                                       25 ) );
            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


            wm.insert( new OrderEvent( "5",
                                       "customer A",
                                       70 ) );

View Full Code Here

        ksession.setGlobal( "timeResults",
                            timeResults );
        ksession.setGlobal( "lengthResults",
                            lengthResults );


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


        try {
            // First interaction
            clock.advanceTime( 5,
                               TimeUnit.SECONDS ); // 5 seconds
            ksession.insert( new OrderEvent( "1",
                                             "customer A",
                                             70 ) );


            ksession.fireAllRules();


            assertEquals( 1,
                          timeResults.size() );
            assertEquals( 1,
                          timeResults.get( 0 ).intValue() );
            assertEquals( 1,
                          lengthResults.size() );
            assertEquals( 1,
                          lengthResults.get( 0 ).intValue() );


            // Second interaction: advance clock and assert new data
            clock.advanceTime( 10,
                               TimeUnit.SECONDS ); // 10 seconds
            ksession.insert( new OrderEvent( "2",
                                             "customer A",
                                             60 ) );
            ksession.fireAllRules();


            assertEquals( 2,
                          timeResults.size() );
            assertEquals( 2,
                          timeResults.get( 1 ).intValue() );
            assertEquals( 2,
                          lengthResults.size() );
            assertEquals( 2,
                          lengthResults.get( 1 ).intValue() );


            // Third interaction: advance clock and assert new data
            clock.advanceTime( 10,
                               TimeUnit.SECONDS ); // 10 seconds
            ksession.insert( new OrderEvent( "3",
                                             "customer A",
                                             50 ) );
            ksession.fireAllRules();


            assertEquals( 3,
                          timeResults.size() );
            assertEquals( 3,
                          timeResults.get( 2 ).intValue() );
            assertEquals( 3,
                          lengthResults.size() );
            assertEquals( 3,
                          lengthResults.get( 2 ).intValue() );


            // Fourth interaction: advance clock and assert new data
            clock.advanceTime( 10,
                               TimeUnit.SECONDS ); // 10 seconds
            ksession.insert( new OrderEvent( "4",
                                             "customer A",
                                             25 ) );
            ksession.fireAllRules();


            // first event should have expired now
            assertEquals( 4,
                          timeResults.size() );
            assertEquals( 3,
                          timeResults.get( 3 ).intValue() );
            assertEquals( 4,
                          lengthResults.size() );
            assertEquals( 3,
                          lengthResults.get( 3 ).intValue() );


            // Fifth interaction: advance clock and assert new data
            clock.advanceTime( 5,
                               TimeUnit.SECONDS ); // 10 seconds
            ksession.insert( new OrderEvent( "5",
                                             "customer A",
                                             70 ) );
            ksession.fireAllRules();

View Full Code Here

        StatefulKnowledgeSession ksession = createKnowledgeSession(kbase, sconf);


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


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


        EntryPoint ep = ksession.getEntryPoint( "X" );


        clock.advanceTime( 1000,
                           TimeUnit.SECONDS );
        ep.insert( new StockTick( 1, "A", 10, clock.getCurrentTime() ) );


        clock.advanceTime( 8,
                           TimeUnit.SECONDS );
        ep.insert( new StockTick( 2, "B", 10, clock.getCurrentTime() ) );


        clock.advanceTime( 8,
                           TimeUnit.SECONDS );
        ep.insert( new StockTick( 3, "B", 10, clock.getCurrentTime() ) );


        clock.advanceTime( 8,
                           TimeUnit.SECONDS );
        int rules = ksession.fireAllRules();
//        assertEquals( 2,
//                      rules );

View Full Code Here

        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession( sconf,
                                                                               null );
        List list = new ArrayList();
        ksession.setGlobal("list", list);


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


        EntryPoint ep = ksession.getEntryPoint( "X" );


        clock.advanceTime( 1000, TimeUnit.SECONDS );


        int rules = 0;
        ep.insert( new StockTick( 1, "A", 10, clock.getCurrentTime() ) );
        clock.advanceTime( 8, TimeUnit.SECONDS );
        //int rules = ksession.fireAllRules();
        System.out.println( list );


        ep.insert( new StockTick( 2, "B", 10, clock.getCurrentTime() ) );
        clock.advanceTime( 8, TimeUnit.SECONDS );
        //rules = ksession.fireAllRules();
        System.out.println( list );


        ep.insert( new StockTick( 3, "B", 10, clock.getCurrentTime() ) );
        clock.advanceTime( 8, TimeUnit.SECONDS );
        rules = ksession.fireAllRules();
        System.out.println( list );


        assertEquals( 3,
                      rules );

View Full Code Here

                                                                               null );


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


        SessionPseudoClock clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
        clock.advanceTime( 1000000,
                           TimeUnit.MILLISECONDS );


        ksession.insert( new StockTick( 1,
                                        "RHT",
                                        10,
                                        1000 ) );
        clock.advanceTime( 5,
                           TimeUnit.SECONDS );
        ksession.insert( new StockTick( 2,
                                        "RHT",
                                        10,
                                        1000 ) );
        clock.advanceTime( 5,
                           TimeUnit.SECONDS );
        ksession.insert( new StockTick( 3,
                                        "RHT",
                                        10,
                                        1000 ) );
        clock.advanceTime( 5,
                           TimeUnit.SECONDS );
        ksession.insert( new StockTick( 4,
                                        "ACME",
                                        10,
                                        1000 ) );
        clock.advanceTime( 5,
                           TimeUnit.SECONDS );
        int rulesFired = ksession.fireAllRules();
        assertEquals( 4,
                      rulesFired );

View Full Code Here

            sessionFuture.get();
        }
    }


    private void populateSessionWithStocks(StatefulKnowledgeSession ksession, StockFactory stockFactory) {
        final SessionPseudoClock clock = ksession.getSessionClock();


        clock.advanceTime(1, TimeUnit.SECONDS);
        ksession.insert(stockFactory.createStock("ST1", 0d));
        clock.advanceTime(1, TimeUnit.SECONDS);
        ksession.insert(stockFactory.createStock("ST2", 1d));
        clock.advanceTime(1, TimeUnit.SECONDS);
        ksession.insert(stockFactory.createStock("ST3", 0d));
        clock.advanceTime(1, TimeUnit.SECONDS);
        ksession.insert(stockFactory.createStock("ST4", 0d));
        clock.advanceTime(1, TimeUnit.SECONDS);
        ksession.insert(stockFactory.createStock("ST5", 0d));
        clock.advanceTime(1, TimeUnit.SECONDS);
        ksession.insert(stockFactory.createStock("ST6", 1d));
    }

View Full Code Here

        ksession.setGlobal( "timeResults",
                            timeResults );
        ksession.setGlobal( "lengthResults",
                            lengthResults );


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


        clock.advanceTime( 5, TimeUnit.SECONDS ); // 5 seconds
        ksession.insert( new OrderEvent( "1", "customer A", 70 ) );
        ksession.fireAllRules();
        System.out.println( lengthResults );
        assertTrue( lengthResults.contains( 70.0 ) );


        clock.advanceTime( 10, TimeUnit.SECONDS ); // 10 seconds
        ksession.insert( new OrderEvent( "2", "customer A", 60 ) );
        ksession.fireAllRules();
        System.out.println( lengthResults );
        assertTrue( lengthResults.contains( 65.0 ) );


        // Third interaction: advance clock and assert new data
        clock.advanceTime( 10, TimeUnit.SECONDS ); // 10 seconds
        ksession.insert( new OrderEvent( "3", "customer A", 50 ) );
        ksession.fireAllRules();
        System.out.println( lengthResults );
        assertTrue( lengthResults.contains( 60.0 ) );


        // Fourth interaction: advance clock and assert new data
        clock.advanceTime( 60, TimeUnit.SECONDS ); // 60 seconds
        ksession.insert( new OrderEvent( "4", "customer A", 25 ) );
        ksession.fireAllRules();
        System.out.println( lengthResults );
        // assertTrue( lengthResults.contains( 45 ) );

View Full Code Here


        List<Number> timeResults = new ArrayList<Number>();


        ksession.setGlobal( "timeResults",
                            timeResults );
        SessionPseudoClock clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();


        int count = 0;
        StockTick tick1 = new StockTick( count++, "X", 0.0, 1 );
        StockTick tick2 = new StockTick( count++, "X", 0.0, 3 );
        StockTick tick3 = new StockTick( count++, "X", 0.0, 7 );
        StockTick tick4 = new StockTick( count++, "X", 0.0, 9 );
        StockTick tick5 = new StockTick( count++, "X", 0.0, 15 );


        clock.advanceTime( 30, TimeUnit.MILLISECONDS );


        ksession.insert( tick1 );
        ksession.insert( tick2 );
        ksession.insert( tick3 );
        ksession.insert( tick4 );
        ksession.insert( tick5 );


        ksession.fireAllRules();
        System.out.println(timeResults);
        assertTrue(timeResults.isEmpty());


        clock.advanceTime( 0, TimeUnit.MILLISECONDS );
        ksession.fireAllRules();
        assertTrue( timeResults.isEmpty() );


        clock.advanceTime( 3, TimeUnit.MILLISECONDS );
        ksession.fireAllRules();
        assertTrue( timeResults.isEmpty() );


        clock.advanceTime( 10, TimeUnit.MILLISECONDS );
        ksession.fireAllRules();
        assertTrue( timeResults.isEmpty() );


    }

View Full Code Here

        //init stateful knowledge session
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession( sessionConfig, null );
        ArrayList list = new ArrayList( );
        ksession.setGlobal( "list", list );


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


        ksession.insert( new Event( 1, -1, clock.getCurrentTime() ) ); // 0
        clock.advanceTime(600, TimeUnit.MILLISECONDS);
        ksession.fireAllRules();
        ksession.insert( new Event( 2, 0, clock.getCurrentTime() ) ); // 600
        clock.advanceTime(100, TimeUnit.MILLISECONDS);
        ksession.fireAllRules();
        ksession.insert( new Event( 2, 0, clock.getCurrentTime() ) ); // 700
        clock.advanceTime(300, TimeUnit.MILLISECONDS);
        ksession.fireAllRules();
        ksession.insert( new Event( 2, 0, clock.getCurrentTime() ) ); // 1000
        clock.advanceTime(100, TimeUnit.MILLISECONDS);
        ksession.fireAllRules();
        ksession.insert( new Event( 2, 1, clock.getCurrentTime() ) ); // 1100
        clock.advanceTime(100, TimeUnit.MILLISECONDS);
        ksession.fireAllRules();
        clock.advanceTime(100, TimeUnit.MILLISECONDS);
        ksession.fireAllRules();
        ksession.insert( new Event( 2, 0, clock.getCurrentTime() ) ); // 1300


        clock.advanceTime(1000, TimeUnit.MILLISECONDS);
        ksession.fireAllRules();


        assertFalse( list.isEmpty() );
        assertEquals( 1, list.size() );
        Long time = (Long) list.get( 0 );

View Full Code Here

        //init stateful knowledge session
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession( sessionConfig, null );
        ArrayList list = new ArrayList( );
        ksession.setGlobal( "list", list );


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


        ksession.insert( new Event( 0, 0, clock.getCurrentTime() ) );
        clock.advanceTime(100, TimeUnit.MILLISECONDS);


        ksession.insert( new Event( 1, 0, clock.getCurrentTime() ) );
        clock.advanceTime(600, TimeUnit.MILLISECONDS);
        ksession.fireAllRules();


        ksession.insert( new Event( 2, 0, clock.getCurrentTime() ) );
        clock.advanceTime(600, TimeUnit.MILLISECONDS);
        ksession.insert( new Event( 3, 0, clock.getCurrentTime() ) );
        ksession.fireAllRules();


        assertFalse( list.isEmpty() );
        assertEquals( 1, list.size() );
        long time = (Long) list.get( 0 );

View Full Code Here

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