Package org.kie.runtime

Examples of org.kie.runtime.StatefulKnowledgeSession

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    public void setObjects(List<Object> objects) {
        this.objects = objects;
    }

    public Collection<FactHandle> execute(Context context) {
        StatefulKnowledgeSession ksession = ((KnowledgeCommandContext) context).getStatefulKnowledgesession();
        List<FactHandle> handles = new ArrayList<FactHandle>();
       
        SessionEntryPoint wmep;
        if ( StringUtils.isEmpty( this.entryPoint ) ) {
            wmep = ksession;
        } else {
            wmep = ksession.getEntryPoint( this.entryPoint );
        }

        for ( Object object : objects ) {
            handles.add( wmep.insert( object ) );
        }
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        this.handle = DisconnectedFactHandle.newFrom( handle );
        this.setters = setters;
    }

    public Object execute(Context context) {
        StatefulKnowledgeSession ksession = ((KnowledgeCommandContext) context).getStatefulKnowledgesession();
        SessionEntryPoint wmep = ksession.getEntryPoint( handle.getEntryPointId() );
       
        Object object = wmep.getObject( this.handle );
        MVEL.eval( getMvelExpr(),
                   object );
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    public GetEntryPointCommand(String name) {
        this.name = name;
    }

    public SessionEntryPoint execute(Context context) {
        StatefulKnowledgeSession ksession = ((KnowledgeCommandContext) context).getStatefulKnowledgesession();
        return ksession.getEntryPoint( name );
    }
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        this.handle = DisconnectedFactHandle.newFrom( handle );
        this.object = object;
    }

    public Object execute(Context context) {
        StatefulKnowledgeSession ksession = ((KnowledgeCommandContext) context).getStatefulKnowledgesession();
       
        ksession.getEntryPoint( handle.getEntryPointId() ).update( handle,
                                                                                object );
        return null;
    }
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    public GetEntryPointsCommand() {
    }

    public Collection< ? extends SessionEntryPoint> execute(Context context) {
        StatefulKnowledgeSession ksession = ((KnowledgeCommandContext) context).getStatefulKnowledgesession();
        return ksession.getEntryPoints();
    }
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        ByteArrayInputStream bais = new ByteArrayInputStream( marshalledData.byteArray );
        SessionConfiguration conf = SessionConfiguration.getDefaultInstance();
        Environment env = EnvironmentFactory.newEnvironment();
   
        // Unmarshall
        StatefulKnowledgeSession ksession = marshaller.unmarshall( bais, conf, env );
       
        return ksession;
    }
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    @Test
    @Ignore
    public void testCompareInstances() throws Exception {

        StatefulKnowledgeSession ksessionA = null;
        {
            KnowledgeBaseConfiguration config = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
            config.setOption(EventProcessingOption.STREAM);
            KnowledgeBase knowledgeBaseA = KnowledgeBaseFactory.newKnowledgeBase(config);
            KnowledgeSessionConfiguration ksconf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
            ksconf.setOption(ClockTypeOption.get("pseudo"));
            ksconf.setOption(TimerJobFactoryOption.get("trackable"));
            ksessionA = knowledgeBaseA.newStatefulKnowledgeSession(ksconf, null);
        }

        StatefulKnowledgeSession ksessionB = null;
        {
            KnowledgeBaseConfiguration config = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
            config.setOption(EventProcessingOption.STREAM);
            KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase(config);
            KnowledgeSessionConfiguration ksconf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
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    private EntityManagerFactory emf;

    @Test
    public void testTimerRuleAfterIntReloadSession() throws Exception {
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
        StatefulKnowledgeSession ksession = createSession( kbase );

        // must advance time or it won't save.
        SessionPseudoClock clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
        clock.advanceTime( 300,
                           TimeUnit.MILLISECONDS );

        // if we do not call 'ksession.fireAllRules()', this test will run successfully.
        ksession.fireAllRules();

        clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
        clock.advanceTime( 300,
                           TimeUnit.MILLISECONDS );

        ksession = disposeAndReloadSession( ksession,
                                            kbase );

        clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
        clock.advanceTime( 300,
                           TimeUnit.MILLISECONDS );

        // build timer rule, if the rule is fired, the list size will increase every 500ms
        String timerRule = "package org.drools.test\n" +
                           "global java.util.List list \n" +
                           "rule TimerRule \n" +
                           "   timer (int:1000 500) \n" +
                           "when \n" + "then \n" +
                           "        list.add(list.size()); \n" +
                           " end";
        Resource resource = ResourceFactory.newByteArrayResource( timerRule.getBytes() );
        Collection<KnowledgePackage> kpackages = buildKnowledgePackage( resource,
                                                                        ResourceType.DRL );
        kbase.addKnowledgePackages( kpackages );

        clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
        clock.advanceTime( 10,
                           TimeUnit.MILLISECONDS );
        ksession.fireAllRules();

        clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
        clock.advanceTime( 10,
                           TimeUnit.MILLISECONDS );

        ksession = disposeAndReloadSession( ksession,
                                            kbase );

        clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
        clock.advanceTime( 10,
                           TimeUnit.MILLISECONDS );

        List<Integer> list = Collections.synchronizedList( new ArrayList<Integer>() );
        ksession.setGlobal( "list",
                            list );
        Assert.assertEquals( 0,
                             list.size() );

        clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
        clock.advanceTime( 1700,
                           TimeUnit.MILLISECONDS );
        Assert.assertEquals( 2,
                             list.size() );

        ksession = disposeAndReloadSession( ksession,
                                            kbase );
        ksession.setGlobal( "list",
                            list );

        clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
        clock.advanceTime( 1000,
                           TimeUnit.MILLISECONDS );

        // if the rule is fired, the list size will greater than one.
        Assert.assertEquals( 4,
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    }

    @Test
    public void testTimerRuleAfterCronReloadSession() throws Exception {
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
        StatefulKnowledgeSession ksession = createSession( kbase );

        // must advance time or it won't save.
        SessionPseudoClock clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
        clock.advanceTime( 300,
                           TimeUnit.MILLISECONDS );

        // if we do not call 'ksession.fireAllRules()', this test will run successfully.
        ksession.fireAllRules();

        clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
        clock.advanceTime( 300,
                           TimeUnit.MILLISECONDS );

        ksession = disposeAndReloadSession( ksession,
                                            kbase );

        clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
        clock.advanceTime( 300,
                           TimeUnit.MILLISECONDS );

        // build timer rule, if the rule is fired, the list size will increase every 300ms
        String timerRule = "package org.drools.test\n" +
                           "global java.util.List list \n" +
                           "rule TimerRule \n" +
                           "   timer (cron: * * * * * ?) \n" +
                           "when \n" + "then \n" +
                           "        list.add(list.size()); \n" +
                           " end";
        Resource resource = ResourceFactory.newByteArrayResource( timerRule.getBytes() );
        Collection<KnowledgePackage> kpackages = buildKnowledgePackage( resource,
                                                                        ResourceType.DRL );
        kbase.addKnowledgePackages( kpackages );

        List<Integer> list = Collections.synchronizedList( new ArrayList<Integer>() );
        ksession.setGlobal( "list",
                            list );

        ksession.setGlobal( "list",
                            list );
        clock.advanceTime( 10,
                           TimeUnit.MILLISECONDS );
        ksession.fireAllRules();

        clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
        clock.advanceTime( 10,
                           TimeUnit.MILLISECONDS );

        ksession = disposeAndReloadSession( ksession,
                                            kbase );
        ksession.setGlobal( "list",
                            list );

        clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
        clock.advanceTime( 10,
                           TimeUnit.MILLISECONDS );

        Assert.assertEquals( 1,
                             list.size() );

        clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
        clock.advanceTime( 3,
                           TimeUnit.SECONDS );
        Assert.assertEquals( 4,
                             list.size() );

        ksession = disposeAndReloadSession( ksession,
                                            kbase );
        ksession.setGlobal( "list",
                            list );

        clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
        clock.advanceTime( 2,
                           TimeUnit.SECONDS );

        // if the rule is fired, the list size will greater than one.
        Assert.assertEquals( 6,
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        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase( kbconf );
        Resource resource = ResourceFactory.newByteArrayResource( timerRule.getBytes() );
        Collection<KnowledgePackage> kpackages = buildKnowledgePackage( resource,
                                                                        ResourceType.DRL );
        kbase.addKnowledgePackages( kpackages );
        StatefulKnowledgeSession ksession = createSession( kbase );

        FactType type = kbase.getFactType( "org.drools.test",
                                           "TestEvent" );
        Assert.assertNotNull( "could not get type",
                              type );

        ksession = disposeAndReloadSession( ksession,
                                            kbase );
        ksession.getWorkingMemoryEntryPoint( "Test" ).insert( type.newInstance() );
        ksession.fireAllRules();
        ksession = disposeAndReloadSession( ksession,
                                            kbase );

        ksession = disposeAndReloadSession( ksession,
                                            kbase );
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Related Classes of org.kie.runtime.StatefulKnowledgeSession

  • org.drools.benchmark.benchmarks.PlainDRLBenchmark
  • org.drools.benchmark.benchmarks.WaltzBenchmark
  • org.drools.command.ExecuteCommand
  • org.drools.command.GetSessionClockCommand
  • org.drools.command.runtime.AddEventListenerCommand
  • org.drools.command.runtime.DisposeCommand
  • org.drools.command.runtime.GetCalendarsCommand
  • org.drools.command.runtime.GetChannelsCommand
  • org.drools.command.runtime.GetEnvironmentCommand
  • org.drools.command.runtime.GetFactCountCommand
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