Examples of org.drools.runtime.KnowledgeSessionConfiguration

org.drools.runtime.KnowledgeSessionConfiguration
KnowledgeSessionConfiguration A class to store Session related configuration. It must be used at session instantiation time or not used at all. This class will automatically load default values from a number of places, accumulating properties from each location. This list of locations, in given priority is: System properties, home directory, working directory, META-INF/ of optionally provided classLoader META-INF/ of Thread.currentThread().getContextClassLoader() and META-INF/ of ClassLoader.getSystemClassLoader() So if you want to set a default configuration value for all your new KnowledgeSession, you can simply set the property as a System property. After the KnowledgeSession is created, it makes the configuration immutable and there is no way to make it mutable again. This is to avoid inconsistent behaviour inside KnowledgeSession. drools.keepReference = drools.clockType =

        final KnowledgeBaseConfiguration conf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        conf.setOption( EventProcessingOption.STREAM );
        final KnowledgeBase kbase = loadKnowledgeBase( reader,
                                                       conf );


        final KnowledgeSessionConfiguration sconf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
        sconf.setOption( ClockTypeOption.get( "pseudo" ) );


        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession( sconf,
                                                                               null );


        WorkingMemoryEntryPoint eventStream = ksession.getWorkingMemoryEntryPoint( "Event Stream" );

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        final KnowledgeBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( EventProcessingOption.STREAM );
        final KnowledgeBase kbase = loadKnowledgeBase( reader,
                                                       kconf );


        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 );

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        final KnowledgeBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( EventProcessingOption.STREAM );
        final KnowledgeBase kbase = loadKnowledgeBase( reader,
                                                       kconf );


        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 );

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        kbuilder.add( ResourceFactory.newInputStreamResource( getClass().getResourceAsStream( "test_CEP_SimpleEventAssertion.drl" ) ),
                      ResourceType.DRL );
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
        kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );


        KnowledgeSessionConfiguration conf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
        conf.setOption( ClockTypeOption.get( "pseudo" ) );
        StatefulKnowledgeSession session = kbase.newStatefulKnowledgeSession( conf,
                                                                              null );
        InternalWorkingMemory iwm = ((StatefulKnowledgeSessionImpl) session).session;


        SessionPseudoClock clock = session.getSessionClock();

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        kbconf.setOption( EventProcessingOption.STREAM );
        final KnowledgeBase kbase = loadKnowledgeBase( "test_CEP_CollectWithWindows.drl",
                                                       kbconf,
                                                       true );


        KnowledgeSessionConfiguration ksconf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
        ksconf.setOption( ClockTypeOption.get( ClockType.PSEUDO_CLOCK.getId() ) );


        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession( ksconf,
                                                                               null );
        WorkingMemoryFileLogger logger = new WorkingMemoryFileLogger( ksession );
        File testTmpDir = new File( "target/test-tmp/" );

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        assertFalse( kbuilder.getErrors().toString(),
                     kbuilder.hasErrors() );
        KnowledgeBaseConfiguration config = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        config.setOption( EventProcessingOption.STREAM );


        KnowledgeSessionConfiguration sessionConfig = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
        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();

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        kbconf.setEventProcessingMode( EventProcessingOption.STREAM );
        KnowledgeBase kbase = loadKnowledgeBase( "test_CEP_TemporalOperators2.drl",
                                                 kbconf,
                                                 true );


        KnowledgeSessionConfiguration sconf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
        sconf.setOption( ClockTypeOption.get( ClockType.PSEUDO_CLOCK.getId() ) );


        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession( sconf,
                                                                               null );
        SessionPseudoClock clock = ksession.getSessionClock();

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        kbconf.setEventProcessingMode( EventProcessingOption.STREAM );
        KnowledgeBase kbase = loadKnowledgeBase( "test_CEP_TemporalOperators3.drl",
                                                 kbconf,
                                                 true );


        KnowledgeSessionConfiguration sconf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
        sconf.setOption( ClockTypeOption.get( ClockType.PSEUDO_CLOCK.getId() ) );


        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession( sconf,
                                                                               null );
        SessionPseudoClock clock = ksession.getSessionClock();

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        final String ssid;
        final boolean isStatefulSessionNew;
        if (statefulSession == null)
        {
          isStatefulSessionNew = true;
          KnowledgeSessionConfiguration statefulSessionConfiguration = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
          setClockType(ruleInfo, statefulSessionConfiguration);
          statefulSession = ruleBase.newStatefulKnowledgeSession(statefulSessionConfiguration, EnvironmentFactory.newEnvironment());
          ssid = getId(statefulSession, statefulSessionCount);
          if (LOGGER.isDebugEnabled())
          {

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    public Session createSession(SessionDescription description) {
        boolean stateful = description.isStateful();
        String name = description.getRuleSetURI();
        final Map<String, Object> properties = PropertyDescriptionEvaluator.evaluate(
                description.getSessionProperties());
        final KnowledgeSessionConfiguration configuration =
                KnowledgeBaseFactory.newKnowledgeSessionConfiguration();


        if (stateful) {
            if (log.isDebugEnabled()) {
                log.debug("Using stateful rule session ");

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