Package org.drools.ruleflow.instance

Examples of org.drools.ruleflow.instance.RuleFlowProcessInstance

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        Package pkg = builder.getPackage();
        RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( pkg );
        WorkingMemory workingMemory = ruleBase.newStatefulSession();
        // start process
        RuleFlowProcessInstance processInstance = (RuleFlowProcessInstance)
            workingMemory.startProcess("org.drools.state");
        // should be in state A
        assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
        Collection<NodeInstance> nodeInstances = processInstance.getNodeInstances();
        assertEquals(1, nodeInstances.size());
        StateNodeInstance stateInstance = (StateNodeInstance) nodeInstances.iterator().next();
        assertEquals("StateA", stateInstance.getNodeName());
        // signal "toB" so we move to state B
        processInstance.signalEvent("signal", "toB");
        nodeInstances = processInstance.getNodeInstances();
        assertEquals(1, nodeInstances.size());
        stateInstance = (StateNodeInstance) nodeInstances.iterator().next();
        assertEquals("StateB", stateInstance.getNodeName());
        // if no constraint specified for a connection,
        // we default to the name of the target node
        // signal "StateA", so we move back to state A
        processInstance.signalEvent("signal", "StateA");
        nodeInstances = processInstance.getNodeInstances();
        assertEquals(1, nodeInstances.size());
        stateInstance = (StateNodeInstance) nodeInstances.iterator().next();
        assertEquals("StateA", stateInstance.getNodeName());
        // signal "toC" so we move to state C
        processInstance.signalEvent("signal", "toC");
        nodeInstances = processInstance.getNodeInstances();
        assertEquals(1, nodeInstances.size());
        stateInstance = (StateNodeInstance) nodeInstances.iterator().next();
        assertEquals("StateC", stateInstance.getNodeName());
        // signal something completely wrong, this should simply be ignored
        processInstance.signalEvent("signal", "Invalid");
        nodeInstances = processInstance.getNodeInstances();
        assertEquals(1, nodeInstances.size());
        stateInstance = (StateNodeInstance) nodeInstances.iterator().next();
        assertEquals("StateC", stateInstance.getNodeName());
        // signal "End", so we move to the end
        processInstance.signalEvent("signal", "End");
        nodeInstances = processInstance.getNodeInstances();
        assertEquals(0, nodeInstances.size());
        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
    }
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        ruleBase.addPackage( pkg );
        WorkingMemory workingMemory = ruleBase.newStatefulSession();
        List<String> list = new ArrayList<String>();
        workingMemory.setGlobal("list", list);
        // start process
        RuleFlowProcessInstance processInstance = (RuleFlowProcessInstance)
            workingMemory.startProcess("org.drools.state");
        // should be in state A
        assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
        Collection<NodeInstance> nodeInstances = processInstance.getNodeInstances();
        assertEquals(1, nodeInstances.size());
        StateNodeInstance stateInstance = (StateNodeInstance) nodeInstances.iterator().next();
        assertEquals("State", stateInstance.getNodeName());
        assertEquals(2, list.size());
        assertTrue(list.contains("Action1a"));
        assertTrue(list.contains("Action2a"));
        processInstance.signalEvent("signal", "End");
        nodeInstances = processInstance.getNodeInstances();
        assertEquals(0, nodeInstances.size());
        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
        assertEquals(4, list.size());
        assertTrue(list.contains("Action3a"));
        assertTrue(list.contains("Action4a"));
    }
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      public void run() {
        workingMemory.fireUntilHalt();
      }
        }).start();
        // start process
        RuleFlowProcessInstance processInstance = (RuleFlowProcessInstance)
            workingMemory.startProcess("org.drools.state");
        // should be in state A
        assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
        Collection<NodeInstance> nodeInstances = processInstance.getNodeInstances();
        assertEquals(1, nodeInstances.size());
        StateNodeInstance stateInstance = (StateNodeInstance) nodeInstances.iterator().next();
        assertEquals("State", stateInstance.getNodeName());
        assertEquals(0, list.size());
        try {
      Thread.sleep(4000);
    } catch (InterruptedException e) {
    }
        assertEquals(4, list.size());
        assertTrue(list.contains("Timer1a"));
        assertTrue(list.contains("Timer2a"));
        processInstance.signalEvent("signal", "End");
        nodeInstances = processInstance.getNodeInstances();
        assertEquals(0, nodeInstances.size());
        assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
        assertEquals(4, list.size());
        try {
      Thread.sleep(2000);
    } catch (InterruptedException e) {
    }
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  private RuleFlowProcessInstanceMarshaller() {
  }

  protected WorkflowProcessInstanceImpl createProcessInstance() {
    return new RuleFlowProcessInstance();
  }
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        AbstractRuleBase ruleBase = (AbstractRuleBase) RuleBaseFactory.newRuleBase();
        ExecutorService executorService = new DefaultExecutorService();
        final StatefulSession workingMemory = new ReteooStatefulSession(1, ruleBase, executorService);
        executorService.setCommandExecutor( new CommandExecutor( workingMemory ) );

        RuleFlowProcessInstance processInstance = new RuleFlowProcessInstance() {
      private static final long serialVersionUID = 510l;
      public void signalEvent(String type, Object event) {
            if ("timerTriggered".equals(type)) {
              TimerInstance timer = (TimerInstance) event;
                System.out.println("Timer " + timer.getId() + " triggered");
                counter++;
            }
          }
        };
        processInstance.setWorkingMemory((InternalWorkingMemory) workingMemory);
        processInstance.setId(1234);
        ((InternalWorkingMemory) workingMemory).getProcessInstanceManager()
          .internalAddProcessInstance(processInstance);

        new Thread(new Runnable() {
      public void run() {
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        mockNode, org.drools.workflow.core.Node.CONNECTION_DEFAULT_TYPE);
       
        process.addNode( startNode );
        process.addNode( mockNode );
               
        RuleFlowProcessInstance processInstance = new RuleFlowProcessInstance();  
        processInstance.setProcess( process );
        processInstance.setWorkingMemory( (InternalWorkingMemory) session );             
       
        assertEquals(  ProcessInstance.STATE_PENDING, processInstance.getState() );
        processInstance.start();       
        assertEquals(  ProcessInstance.STATE_ACTIVE, processInstance.getState() );
       
        MockNodeInstance mockNodeInstance = mockNodeFactory.getMockNodeInstance();
        List<NodeInstance> triggeredBy =
          mockNodeInstance.getTriggers().get(org.drools.workflow.core.Node.CONNECTION_DEFAULT_TYPE);
        assertNotNull(triggeredBy);
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        process.addNode( split );
        process.addNode( join );
        process.addNode( end );

        // proces instance
        final RuleFlowProcessInstance processInstance = new RuleFlowProcessInstance();
        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 LeftTuple tuple0 = new LeftTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ),
                                                null,
                                                true  );
        node0.assertLeftTuple( tuple0,
                               context0,
                               workingMemory );

        final LeftTuple tuple1 = new LeftTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ),
                                                null,
                                                true  );
        node0.assertLeftTuple( tuple1,
                               context0,
                               workingMemory );

        final LeftTuple tuple2 = new LeftTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ),
                                                null,
                                                true  );
        node1.assertLeftTuple( tuple2,
                               context0,
                               workingMemory );

        final LeftTuple tuple3 = new LeftTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ),
                                                null,
                                                true  );
        node2.assertLeftTuple( tuple3,
                               context0,
                               workingMemory );

        final LeftTuple tuple4 = new LeftTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ),
                                                null,
                                                true  );
        node3.assertLeftTuple( 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 RuleFlowProcessInstance();
        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 LeftTuple tuple0 = new LeftTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ),
                                                null,
                                                true  );
        node0.assertLeftTuple( tuple0,
                               context0,
                               workingMemory );

        final LeftTuple tuple1 = new LeftTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ),
                                                null,
                                                true  );
        node0.assertLeftTuple( tuple1,
                               context0,
                               workingMemory );

        final LeftTuple tuple2 = new LeftTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ),
                                                null,
                                                true  );
        node1.assertLeftTuple( tuple2,
                               context0,
                               workingMemory );

        final LeftTuple tuple3 = new LeftTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ),
                                                null,
                                                true  );
        node2.assertLeftTuple( tuple3,
                               context0,
                               workingMemory );

        final LeftTuple tuple4 = new LeftTuple( new DefaultFactHandle( 1,
                                                                       "cheese" ),
                                                null,
                                                true  );
        node3.assertLeftTuple( tuple4,
                               context0,
                               workingMemory );

        final LeftTuple splitTuple1 = new LeftTuple( new DefaultFactHandle( 1,
                                                                            "cheese" ),
                                                     null,
                                                     true  );
        splitNode1.assertLeftTuple( splitTuple1,
                                    context0,
                                    workingMemory );

        final LeftTuple splitTuple2 = new LeftTuple( new DefaultFactHandle( 1,
                                                                            "cheese" ),
                                                     null,
                                                     true  );
        splitNode2.assertLeftTuple( 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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        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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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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