Package org.kie.runtime

Examples of org.kie.runtime.StatefulKnowledgeSession

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public class GetCalendarsCommand
    implements
    GenericCommand<Calendars> {

    public Calendars execute(Context context) {
        StatefulKnowledgeSession ksession = ((KnowledgeCommandContext) context).getStatefulKnowledgesession();
        return (Calendars) ksession.getCalendars();
    }
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public class GetGlobalsCommand
    implements
    GenericCommand<Globals> {

    public Globals execute(Context context) {
        StatefulKnowledgeSession ksession = ((KnowledgeCommandContext) context).getStatefulKnowledgesession();
        return (Globals) ksession.getGlobals();
    }
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    public void setOutIdentifier(String outIdentifier) {
        this.outIdentifier = outIdentifier;
    }

    public Integer execute(Context context) {
        StatefulKnowledgeSession ksession = ((KnowledgeCommandContext) context).getStatefulKnowledgesession();
        int fired;
        if ( max != -1 && agendaFilter != null ) {
            fired = ((StatefulKnowledgeSessionImpl) ksession).session.fireAllRules( new StatefulKnowledgeSessionImpl.AgendaFilterWrapper( agendaFilter ), max );
        } else if ( max != -1 ) {
            fired = ksession.fireAllRules( max );
        } else if ( agendaFilter != null ) {
            fired = ((StatefulKnowledgeSessionImpl) ksession).session.fireAllRules( new StatefulKnowledgeSessionImpl.AgendaFilterWrapper( agendaFilter ) );
        } else {
            fired = ksession.fireAllRules();
        }

        if ( this.outIdentifier != null ) {
            ExecutionResultImpl results = ((StatefulKnowledgeSessionImpl)ksession).session.getExecutionResult();
            results.getResults().put(this.outIdentifier, fired);
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        this.name = name;
        this.channel = channel;
    }

    public Object execute(Context context) {
        StatefulKnowledgeSession ksession = ((KnowledgeCommandContext) context).getStatefulKnowledgesession();

        ksession.registerChannel( name,
                                  channel );

        return null;
    }
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    public UnregisterChannelCommand(String name) {
        this.name = name;
    }

    public Object execute(Context context) {
        StatefulKnowledgeSession ksession = ((KnowledgeCommandContext) context).getStatefulKnowledgesession();

        ksession.unregisterChannel( name );

        return null;
    }
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        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
        Properties props = new Properties();
        props.setProperty("drools.workItemHandlers", "CustomWorkItemHandlers.conf");
        KieSessionConfiguration config = KnowledgeBaseFactory.newKnowledgeSessionConfiguration(props);
       
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession(config, EnvironmentFactory.newEnvironment());
        assertNotNull(ksession);
        // this test would fail on creation of the work item manager if injecting session is not supported
        WorkItemManager manager = ksession.getWorkItemManager();
        assertNotNull(manager);
       
        Map<String, WorkItemHandler> handlers = ((SessionConfiguration)config).getWorkItemHandlers();
        assertNotNull(handlers);
        assertEquals(1, handlers.size());
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public class WorkingMemoryEventSupportTest {

    @Test
    public void testAddRuleRuntimeEventListener() {
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();

        final List wmList = new ArrayList();
        final WorkingMemoryEventListener eventListener = new WorkingMemoryEventListener() {

            public void objectInserted(ObjectInsertedEvent event) {
                wmList.add( event );
            }

            public void objectUpdated(ObjectUpdatedEvent event) {
                wmList.add( event );
            }

            public void objectDeleted(ObjectDeletedEvent event) {
                wmList.add( event );
            }

        };

        ksession.addEventListener( eventListener );

        final Cheese stilton = new Cheese( "stilton",
                                     15 );
        final Cheese cheddar = new Cheese( "cheddar",
                                     17 );

        final FactHandle stiltonHandle = ksession.insert( stilton );

        final ObjectInsertedEvent oae = (ObjectInsertedEvent) wmList.get( 0 );
        assertSame( stiltonHandle,
                    oae.getFactHandle() );

        ksession.update( stiltonHandle,
                         stilton );
        final ObjectUpdatedEvent ome = (ObjectUpdatedEvent) wmList.get( 1 );
        assertSame( stiltonHandle,
                    ome.getFactHandle() );

        ksession.retract( stiltonHandle );
        final ObjectDeletedEvent ore = (ObjectDeletedEvent) wmList.get( 2 );
        assertSame( stiltonHandle,
                    ore.getFactHandle() );

        ksession.insert( cheddar );
    }
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    }
   
    @Test
    public void testRemoveRuleRuntimeEventListener() {
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();

        final List wmList = new ArrayList();
        final WorkingMemoryEventListener eventListener = new WorkingMemoryEventListener() {

            public void objectInserted(ObjectInsertedEvent event) {
                wmList.add( event );
            }

            public void objectUpdated(ObjectUpdatedEvent event) {
                wmList.add( event );
            }

            public void objectDeleted(ObjectDeletedEvent event) {
                wmList.add( event );
            }

        };

        ksession.addEventListener( eventListener );
        ksession.removeEventListener( eventListener );

        final Cheese stilton = new Cheese( "stilton",
                                     15 );
        final Cheese cheddar = new Cheese( "cheddar",
                                     17 );

        final FactHandle stiltonHandle = ksession.insert( stilton );
        assertTrue( wmList.isEmpty() );

        ksession.update( stiltonHandle,
                         stilton );
        assertTrue( wmList.isEmpty() );

        ksession.retract( stiltonHandle );
        assertTrue( wmList.isEmpty() );

        ksession.insert( cheddar );
        assertTrue( wmList.isEmpty() );
    }
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    }

    @Test
    public void testWorkingMemoryEventListener() {
        final KnowledgeBase rb = KnowledgeBaseFactory.newKnowledgeBase();
        final StatefulKnowledgeSession wm = rb.newStatefulKnowledgeSession();

        final List wmList = new ArrayList();
        final WorkingMemoryEventListener workingMemoryListener = new WorkingMemoryEventListener() {
            public void objectInserted(ObjectInsertedEvent event) {
                wmList.add( event );
            }

            public void objectUpdated(ObjectUpdatedEvent event) {
                wmList.add( event );
            }

            public void objectDeleted(ObjectDeletedEvent event) {
                wmList.add( event );
            }

        };

        wm.addEventListener( workingMemoryListener );
        assertEquals(1, wm.getWorkingMemoryEventListeners().size() );

        final Cheese stilton = new Cheese( "stilton",
                                           15 );
        final Cheese cheddar = new Cheese( "cheddar",
                                           17 );

        final FactHandle stiltonHandle = wm.insert( stilton );

        ObjectInsertedEvent oae = (ObjectInsertedEvent) wmList.get( 0 );
        assertSame( stiltonHandle,
                    oae.getFactHandle() );

        wm.update( stiltonHandle,
                   cheddar );
        final ObjectUpdatedEvent ome = (ObjectUpdatedEvent) wmList.get( 1 );
        assertSame( stiltonHandle,
                    ome.getFactHandle() );
        assertEquals( cheddar, ome.getObject() );
        assertEquals( stilton, ome.getOldObject()  );

        wm.retract( stiltonHandle );
        final ObjectDeletedEvent ore = (ObjectDeletedEvent) wmList.get( 2 );
        assertSame( stiltonHandle,
                    ore.getFactHandle() );

        final FactHandle cheddarHandle = wm.insert( cheddar );
        oae = (ObjectInsertedEvent) wmList.get( 3 );
        assertSame( cheddarHandle,
                    oae.getFactHandle() );
    }
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    @Test
    public void testEqualityWithResize() {       
        KieBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( EqualityBehaviorOption.EQUALITY );
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(kconf);
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
       
        int length = 1 * 300 * 1000 ;
       
        List<FactHandle> handles = new ArrayList<FactHandle>(1000);
        List<String> objects = new ArrayList<String>(1000);
        for ( int i = 0; i < length; i++) {
            String s = getPropertyName(i);
            FactHandle handle = ksession.insert( s );
            objects.add( s );
            handles.add( handle );
        }
       
        for ( int i = 0; i < length; i++) {
            String s = objects.get(i);
            FactHandle handle = handles.get( i );
            assertEquals( s, ksession.getObject( handle ) );           
            assertSame( handle, ksession.getFactHandle( s ) );
           
            // now check with disconnected facthandle
            handle = new DefaultFactHandle(((DefaultFactHandle)handle).toExternalForm());
            assertEquals( s, ksession.getObject( handle ) );
        }
       
        for ( int i = 0; i < length; i++) {
            FactHandle handle = handles.get( i );        
           
            // now retract with disconnected facthandle
            handle = new DefaultFactHandle(((DefaultFactHandle)handle).toExternalForm());
            ksession.retract( handle );
            assertEquals( length - i -1, ksession.getObjects().size() );
            assertEquals( length - i -1, ksession.getFactHandles().size() );           
        }       
       
        assertEquals( 0, ksession.getObjects().size() );
        assertEquals( 0, ksession.getFactHandles().size() );       
    }
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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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