Package org.drools.ruleflow.instance

Examples of org.drools.ruleflow.instance.RuleFlowProcessInstance

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  private RuleFlowProcessInstanceMarshaller() {
  }

  protected WorkflowProcessInstanceImpl createProcessInstance() {
    return new RuleFlowProcessInstance();
  }
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        process.addNode( split );
        process.addNode( join );
        process.addNode( end );

        // proces instance
        final RuleFlowProcessInstance processInstance = new RuleFlowProcessInstanceImpl();
        processInstance.setWorkingMemory( workingMemory );
        processInstance.setProcess( process );
        assertEquals( ProcessInstance.STATE_PENDING,
                      processInstance.getState() );

        final RuleFlowGroupImpl ruleFlowGroup0 = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "rule-flow-group-0" );
        final RuleFlowGroupImpl ruleFlowGroup1 = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "rule-flow-group-1" );
        final RuleFlowGroupImpl ruleFlowGroup2 = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "rule-flow-group-2" );
        final RuleFlowGroupImpl ruleFlowGroup3 = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "rule-flow-group-3" );

        final ReteTuple tuple0 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node0.assertTuple( tuple0,
                           context0,
                           workingMemory );

        final ReteTuple tuple1 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node0.assertTuple( tuple1,
                           context0,
                           workingMemory );

        final ReteTuple tuple2 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node1.assertTuple( tuple2,
                           context0,
                           workingMemory );

        final ReteTuple tuple3 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node2.assertTuple( tuple3,
                           context0,
                           workingMemory );

        final ReteTuple tuple4 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node3.assertTuple( tuple4,
                           context0,
                           workingMemory );

        // RuleFlowGroups should be populated, but the agenda shouldn't
        assertEquals( 2,
                      ruleFlowGroup0.size() );
        assertEquals( 1,
                      ruleFlowGroup1.size() );
        assertEquals( 1,
                      ruleFlowGroup2.size() );
        assertEquals( 1,
                      ruleFlowGroup3.size() );
        assertEquals( 0,
                      agenda.agendaSize() );

        // Activate process instance, the activations stay in the group,
        // but should now also be in the Agenda
        processInstance.start();
        assertEquals( ProcessInstance.STATE_ACTIVE,
                      processInstance.getState() );
        assertEquals( 2,
                      ruleFlowGroup0.size() );
        assertEquals( 2,
                      agenda.agendaSize() );

        // As we fire each rule they are removed from both the Agenda and the RuleFlowGroup
        agenda.fireNextItem( null );
        assertEquals( 1,
                      ruleFlowGroup0.size() );
        assertEquals( 1,
                      agenda.agendaSize() );

        // on firing the last activation the child rule flow groups should
        // activate and thus repopulate the agenda
        agenda.fireNextItem( null );
        workingMemory.executeQueuedActions();
        assertEquals( 0,
                      ruleFlowGroup0.size() );
        assertEquals( 1,
                      ruleFlowGroup1.size() );
        assertEquals( 1,
                      ruleFlowGroup2.size() );
        assertEquals( 2,
                      agenda.agendaSize() );

        // we set the salience higher on rule2, so it sould fire first and empty ruleFlowGroup2
        agenda.fireNextItem( null );
        assertEquals( 1,
                      ruleFlowGroup1.size() );
        assertEquals( 0,
                      ruleFlowGroup2.size() );
        assertEquals( 1,
                      agenda.agendaSize() );

        // executing rule1, which should activate AND-join and thus group 3
        agenda.fireNextItem( null );
        workingMemory.executeQueuedActions();
        assertEquals( 0,
                      ruleFlowGroup0.size() );
        assertEquals( 0,
                      ruleFlowGroup1.size() );
        assertEquals( 0,
                      ruleFlowGroup2.size() );
        assertEquals( 1,
                      ruleFlowGroup3.size() );
        assertEquals( 1,
                      agenda.agendaSize() );

        // executing rule3, and finishing execution
        agenda.fireNextItem( null );
        workingMemory.executeQueuedActions();
        assertEquals( 0,
                      ruleFlowGroup0.size() );
        assertEquals( 0,
                      ruleFlowGroup1.size() );
        assertEquals( 0,
                      ruleFlowGroup2.size() );
        assertEquals( 0,
                      ruleFlowGroup3.size() );
        assertEquals( 0,
                      agenda.agendaSize() );
        assertEquals( ProcessInstance.STATE_COMPLETED,
                      processInstance.getState() );
    }
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                                                                 new MockTupleSource( 2 ),
                                                                 splitRule2,
                                                                 splitRule2.getLhs() );

        // proces instance
        final RuleFlowProcessInstance processInstance = new RuleFlowProcessInstanceImpl();
        processInstance.setWorkingMemory( workingMemory );
        processInstance.setProcess( process );
        assertEquals( ProcessInstance.STATE_PENDING,
                      processInstance.getState() );

        final RuleFlowGroupImpl ruleFlowGroup0 = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "rule-flow-group-0" );
        final RuleFlowGroupImpl ruleFlowGroup1 = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "rule-flow-group-1" );
        final RuleFlowGroupImpl ruleFlowGroup2 = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "rule-flow-group-2" );
        final RuleFlowGroupImpl ruleFlowGroup3 = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "rule-flow-group-3" );

        final ReteTuple tuple0 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node0.assertTuple( tuple0,
                           context0,
                           workingMemory );

        final ReteTuple tuple1 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node0.assertTuple( tuple1,
                           context0,
                           workingMemory );

        final ReteTuple tuple2 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node1.assertTuple( tuple2,
                           context0,
                           workingMemory );

        final ReteTuple tuple3 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node2.assertTuple( tuple3,
                           context0,
                           workingMemory );

        final ReteTuple tuple4 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node3.assertTuple( tuple4,
                           context0,
                           workingMemory );

        final ReteTuple splitTuple1 = new ReteTuple( new DefaultFactHandle( 1,
                                               "cheese" ) );
    splitNode1.assertTuple( splitTuple1,
                  context0,
                  workingMemory );

        final ReteTuple splitTuple2 = new ReteTuple( new DefaultFactHandle( 1,
                                             "cheese" ) );
      splitNode2.assertTuple( splitTuple2,
                  context0,
                workingMemory );

        final RuleFlowGroupImpl systemRuleFlowGroup = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "DROOLS_SYSTEM" );
       
       

        // RuleFlowGroups should be populated, but the agenda shouldn't
        assertEquals( 2,
                      ruleFlowGroup0.size() );
        assertEquals( 1,
                      ruleFlowGroup1.size() );
        assertEquals( 1,
                      ruleFlowGroup2.size() );
        assertEquals( 1,
                      ruleFlowGroup3.size() );
        assertEquals( 2,
                      systemRuleFlowGroup.size() );
        assertEquals( 0,
                      agenda.agendaSize() );

        // Activate process instance, the activations stay in the group,
        // but should now also be in the Agenda
        processInstance.start();
        assertEquals( ProcessInstance.STATE_ACTIVE,
                      processInstance.getState() );
        assertEquals( 2,
                      ruleFlowGroup0.size() );
        assertEquals( 2,
                      agenda.agendaSize() );

        // As we fire each rule they are removed from both the Agenda and the RuleFlowGroup
        agenda.fireNextItem( null );
        assertEquals( 1,
                      ruleFlowGroup0.size() );
        assertEquals( 1,
                      agenda.agendaSize() );

        // XOR split should activate group1
        agenda.fireNextItem( null );
        workingMemory.executeQueuedActions();
        assertEquals( 0,
                      ruleFlowGroup0.size() );
        assertEquals( 1,
                      ruleFlowGroup1.size() );
        assertEquals( 1,
                      ruleFlowGroup2.size() );
        assertEquals( 1,
                      agenda.agendaSize() );

        // executing group1, XOR join should activate group3
        agenda.fireNextItem( null );
        workingMemory.executeQueuedActions();
        assertEquals( 0,
                      ruleFlowGroup1.size() );
        assertEquals( 1,
                    ruleFlowGroup2.size() );
        assertEquals( 1,
                    ruleFlowGroup3.size() );
        assertEquals( 1,
                      agenda.agendaSize() );

        // executing rule3, and finishing execution
        agenda.fireNextItem( null );
        workingMemory.executeQueuedActions();
        assertEquals( 0,
                      ruleFlowGroup0.size() );
        assertEquals( 0,
                      ruleFlowGroup1.size() );
        assertEquals( 1,
                      ruleFlowGroup2.size() );
        assertEquals( 0,
                      ruleFlowGroup3.size() );
        assertEquals( 0,
                      agenda.agendaSize() );
        assertEquals( ProcessInstance.STATE_COMPLETED,
                      processInstance.getState() );
    }
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        final Process process = ((InternalRuleBase) getRuleBase()).getProcess( processId );
        if ( process == null ) {
            throw new IllegalArgumentException( "Unknown process ID: " + processId );
        }
        if ( process instanceof RuleFlowProcess ) {
            final RuleFlowProcessInstance processInstance = new RuleFlowProcessInstanceImpl();
            processInstance.setWorkingMemory( this );
            processInstance.setProcess( process );
            processInstance.setId( ++processCounter );
            processInstance.start();

            getRuleFlowEventSupport().fireRuleFlowProcessStarted( processInstance,
                                                                  this );

            return processInstance;
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        int sessionId = service.getSessionId();

        StartProcessCommand startProcessCommand = new StartProcessCommand();
        startProcessCommand.setProcessId( "org.drools.test.ProcessSubProcess" );
        RuleFlowProcessInstance processInstance = (RuleFlowProcessInstance) service.execute( startProcessCommand );
        log.info( "Started process instance {}", processInstance.getId() );
        long processInstanceId = processInstance.getId();

        TestWorkItemHandler handler = TestWorkItemHandler.getInstance();
        WorkItem workItem = handler.getWorkItem();
        assertNotNull( workItem );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        GetProcessInstanceCommand getProcessInstanceCommand = new GetProcessInstanceCommand();
        getProcessInstanceCommand.setProcessInstanceId( processInstanceId );
        processInstance = (RuleFlowProcessInstance) service.execute( getProcessInstanceCommand );
        assertNotNull( processInstance );

        Collection<NodeInstance> nodeInstances = processInstance.getNodeInstances();
        assertEquals( 1,
                      nodeInstances.size() );
        SubProcessNodeInstance subProcessNodeInstance = (SubProcessNodeInstance) nodeInstances.iterator().next();
        long subProcessInstanceId = subProcessNodeInstance.getProcessInstanceId();
        getProcessInstanceCommand = new GetProcessInstanceCommand();
        getProcessInstanceCommand.setProcessInstanceId( subProcessInstanceId );
        RuleFlowProcessInstance subProcessInstance = (RuleFlowProcessInstance) service.execute( getProcessInstanceCommand );
        assertNotNull( subProcessInstance );
        service.dispose();

        service = jpaService.loadStatefulKnowledgeSession(sessionId);
        CompleteWorkItemCommand completeWorkItemCommand = new CompleteWorkItemCommand();
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        WorkingMemory workingMemory = ruleBase.newStatefulSession();
        Person person = new Person();
        person.setAge(30);
        workingMemory.insert(person);
        // start process
        RuleFlowProcessInstance processInstance = (RuleFlowProcessInstance)
            workingMemory.startProcess("org.drools.ruleset");
        assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
        workingMemory.fireAllRules();
        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
    }
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        process.addNode( split );
        process.addNode( join );
        process.addNode( end );

        // proces instance
        final RuleFlowProcessInstance processInstance = new RuleFlowProcessInstanceImpl();
        processInstance.setWorkingMemory( workingMemory );
        processInstance.setProcess( process );
        assertEquals( ProcessInstance.STATE_PENDING,
                      processInstance.getState() );

        final RuleFlowGroupImpl ruleFlowGroup0 = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "rule-flow-group-0" );
        final RuleFlowGroupImpl ruleFlowGroup1 = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "rule-flow-group-1" );
        final RuleFlowGroupImpl ruleFlowGroup2 = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "rule-flow-group-2" );
        final RuleFlowGroupImpl ruleFlowGroup3 = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "rule-flow-group-3" );

        final ReteTuple tuple0 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node0.assertTuple( tuple0,
                           context0,
                           workingMemory );

        final ReteTuple tuple1 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node0.assertTuple( tuple1,
                           context0,
                           workingMemory );

        final ReteTuple tuple2 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node1.assertTuple( tuple2,
                           context0,
                           workingMemory );

        final ReteTuple tuple3 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node2.assertTuple( tuple3,
                           context0,
                           workingMemory );

        final ReteTuple tuple4 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node3.assertTuple( tuple4,
                           context0,
                           workingMemory );

        // RuleFlowGroups should be populated, but the agenda shouldn't
        assertEquals( 2,
                      ruleFlowGroup0.size() );
        assertEquals( 1,
                      ruleFlowGroup1.size() );
        assertEquals( 1,
                      ruleFlowGroup2.size() );
        assertEquals( 1,
                      ruleFlowGroup3.size() );
        assertEquals( 0,
                      agenda.agendaSize() );

        // Activate process instance, the activations stay in the group,
        // but should now also be in the Agenda
        processInstance.start();
        assertEquals( ProcessInstance.STATE_ACTIVE,
                      processInstance.getState() );
        assertEquals( 2,
                      ruleFlowGroup0.size() );
        assertEquals( 2,
                      agenda.agendaSize() );

        // As we fire each rule they are removed from both the Agenda and the RuleFlowGroup
        agenda.fireNextItem( null );
        assertEquals( 1,
                      ruleFlowGroup0.size() );
        assertEquals( 1,
                      agenda.agendaSize() );

        // on firing the last activation the child rule flow groups should
        // activate and thus repopulate the agenda
        agenda.fireNextItem( null );
        workingMemory.executeQueuedActions();
        assertEquals( 0,
                      ruleFlowGroup0.size() );
        assertEquals( 1,
                      ruleFlowGroup1.size() );
        assertEquals( 1,
                      ruleFlowGroup2.size() );
        assertEquals( 2,
                      agenda.agendaSize() );

        // we set the salience higher on rule2, so it sould fire first and empty ruleFlowGroup2
        agenda.fireNextItem( null );
        assertEquals( 1,
                      ruleFlowGroup1.size() );
        assertEquals( 0,
                      ruleFlowGroup2.size() );
        assertEquals( 1,
                      agenda.agendaSize() );

        // executing rule1, which should activate AND-join and thus group 3
        agenda.fireNextItem( null );
        workingMemory.executeQueuedActions();
        assertEquals( 0,
                      ruleFlowGroup0.size() );
        assertEquals( 0,
                      ruleFlowGroup1.size() );
        assertEquals( 0,
                      ruleFlowGroup2.size() );
        assertEquals( 1,
                      ruleFlowGroup3.size() );
        assertEquals( 1,
                      agenda.agendaSize() );

        // executing rule3, and finishing execution
        agenda.fireNextItem( null );
        workingMemory.executeQueuedActions();
        assertEquals( 0,
                      ruleFlowGroup0.size() );
        assertEquals( 0,
                      ruleFlowGroup1.size() );
        assertEquals( 0,
                      ruleFlowGroup2.size() );
        assertEquals( 0,
                      ruleFlowGroup3.size() );
        assertEquals( 0,
                      agenda.agendaSize() );
        assertEquals( ProcessInstance.STATE_COMPLETED,
                      processInstance.getState() );
    }
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                                                                 splitRule2,
                                                                 splitRule2.getLhs(),
                                                                  buildContext );

        // proces instance
        final RuleFlowProcessInstance processInstance = new RuleFlowProcessInstanceImpl();
        processInstance.setWorkingMemory( workingMemory );
        processInstance.setProcess( process );
        assertEquals( ProcessInstance.STATE_PENDING,
                      processInstance.getState() );

        final RuleFlowGroupImpl ruleFlowGroup0 = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "rule-flow-group-0" );
        final RuleFlowGroupImpl ruleFlowGroup1 = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "rule-flow-group-1" );
        final RuleFlowGroupImpl ruleFlowGroup2 = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "rule-flow-group-2" );
        final RuleFlowGroupImpl ruleFlowGroup3 = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "rule-flow-group-3" );

        final ReteTuple tuple0 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node0.assertTuple( tuple0,
                           context0,
                           workingMemory );

        final ReteTuple tuple1 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node0.assertTuple( tuple1,
                           context0,
                           workingMemory );

        final ReteTuple tuple2 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node1.assertTuple( tuple2,
                           context0,
                           workingMemory );

        final ReteTuple tuple3 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node2.assertTuple( tuple3,
                           context0,
                           workingMemory );

        final ReteTuple tuple4 = new ReteTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ) );
        node3.assertTuple( tuple4,
                           context0,
                           workingMemory );

        final ReteTuple splitTuple1 = new ReteTuple( new DefaultFactHandle( 1,
                                               "cheese" ) );
    splitNode1.assertTuple( splitTuple1,
                  context0,
                  workingMemory );

        final ReteTuple splitTuple2 = new ReteTuple( new DefaultFactHandle( 1,
                                             "cheese" ) );
      splitNode2.assertTuple( splitTuple2,
                  context0,
                workingMemory );

        final RuleFlowGroupImpl systemRuleFlowGroup = (RuleFlowGroupImpl) agenda.getRuleFlowGroup( "DROOLS_SYSTEM" );
       
       

        // RuleFlowGroups should be populated, but the agenda shouldn't
        assertEquals( 2,
                      ruleFlowGroup0.size() );
        assertEquals( 1,
                      ruleFlowGroup1.size() );
        assertEquals( 1,
                      ruleFlowGroup2.size() );
        assertEquals( 1,
                      ruleFlowGroup3.size() );
        assertEquals( 2,
                      systemRuleFlowGroup.size() );
        assertEquals( 0,
                      agenda.agendaSize() );

        // Activate process instance, the activations stay in the group,
        // but should now also be in the Agenda
        processInstance.start();
        assertEquals( ProcessInstance.STATE_ACTIVE,
                      processInstance.getState() );
        assertEquals( 2,
                      ruleFlowGroup0.size() );
        assertEquals( 2,
                      agenda.agendaSize() );

        // As we fire each rule they are removed from both the Agenda and the RuleFlowGroup
        agenda.fireNextItem( null );
        assertEquals( 1,
                      ruleFlowGroup0.size() );
        assertEquals( 1,
                      agenda.agendaSize() );

        // XOR split should activate group1
        agenda.fireNextItem( null );
        workingMemory.executeQueuedActions();
        assertEquals( 0,
                      ruleFlowGroup0.size() );
        assertEquals( 1,
                      ruleFlowGroup1.size() );
        assertEquals( 1,
                      ruleFlowGroup2.size() );
        assertEquals( 1,
                      agenda.agendaSize() );

        // executing group1, XOR join should activate group3
        agenda.fireNextItem( null );
        workingMemory.executeQueuedActions();
        assertEquals( 0,
                      ruleFlowGroup1.size() );
        assertEquals( 1,
                    ruleFlowGroup2.size() );
        assertEquals( 1,
                    ruleFlowGroup3.size() );
        assertEquals( 1,
                      agenda.agendaSize() );

        // executing rule3, and finishing execution
        agenda.fireNextItem( null );
        workingMemory.executeQueuedActions();
        assertEquals( 0,
                      ruleFlowGroup0.size() );
        assertEquals( 0,
                      ruleFlowGroup1.size() );
        assertEquals( 1,
                      ruleFlowGroup2.size() );
        assertEquals( 0,
                      ruleFlowGroup3.size() );
        assertEquals( 0,
                      agenda.agendaSize() );
        assertEquals( ProcessInstance.STATE_COMPLETED,
                      processInstance.getState() );
    }
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        ruleBase.addPackage( pkgBuilder.getPackage() );
        final InternalWorkingMemory wm = (InternalWorkingMemory) ruleBase.newStatefulSession();

        wm.setGlobal( "value", true );       

        RuleFlowProcessInstance processInstance = new RuleFlowProcessInstance();
        processInstance.setWorkingMemory( wm );

        SplitInstance splitInstance = new SplitInstance();
        splitInstance.setProcessInstance( processInstance );
       
        ( (MVELReturnValueEvaluator) node.getReturnValueEvaluator()).compile( Thread.currentThread().getContextClassLoader() );
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        final InternalWorkingMemory wm = (InternalWorkingMemory) ruleBase.newStatefulSession();

        wm.setGlobal( "value",
                      true );

        RuleFlowProcessInstance processInstance = new RuleFlowProcessInstance();
        processInstance.setWorkingMemory( wm );

        SplitInstance splitInstance = new SplitInstance();
        splitInstance.setProcessInstance( processInstance );

        assertTrue( node.evaluate( splitInstance,
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Related Classes of org.drools.ruleflow.instance.RuleFlowProcessInstance

  • org.drools.common.AbstractWorkingMemory
  • org.drools.container.spring.beans.persistence.JPASingleSessionCommandServiceFactoryTest
  • org.drools.integrationtests.ProcessRuleFlowGroupTest
  • org.drools.integrationtests.ProcessStateTest
  • org.drools.marshalling.impl.AbstractProcessInstanceMarshaller
  • org.drools.marshalling.impl.InputMarshaller
  • org.drools.marshalling.impl.RuleFlowProcessInstanceMarshaller
  • org.drools.marshalling.InputMarshaller
  • org.drools.persistence.session.SingleSessionCommandServiceTest
  • org.drools.process.TimerTest
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