Package org.camunda.bpm.engine.impl.pvm.process

Examples of org.camunda.bpm.engine.impl.pvm.process.TransitionImpl

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  public boolean isAsync(PvmExecutionImpl execution) {
    return execution.getActivity().isAsyncAfter();
  }

  public void execute(PvmExecutionImpl execution) {
    TransitionImpl transition = execution.getTransition();

    // while executing the transition, the activityInstance is 'null'
    // (we are not executing an activity)
    execution.setActivityInstanceId(null);

    List<DelegateListener<? extends BaseDelegateExecution>> executionListeners = transition.getListeners(ExecutionListener.EVENTNAME_TAKE);
    int executionListenerIndex = execution.getListenerIndex();

    if (executionListeners.size()>executionListenerIndex) {
      execution.setEventName(ExecutionListener.EVENTNAME_TAKE);
      execution.setEventSource(transition);
      DelegateListener<? extends BaseDelegateExecution> listener = executionListeners.get(executionListenerIndex);
      try {
        execution.invokeListener(listener);
      } catch (RuntimeException e) {
        throw e;
      } catch (Exception e) {
        throw new PvmException("couldn't execute event listener : "+e.getMessage(), e);
      }
      execution.setListenerIndex(executionListenerIndex + 1);
      execution.performOperationSync(this);

    } else {
      log.fine(execution+" takes transition "+transition);
      execution.setListenerIndex(0);
      execution.setEventName(null);
      execution.setEventSource(null);

      ActivityImpl activity = execution.getActivity();
      ActivityImpl nextScope = findNextScope(activity.getFlowScope(), transition.getDestination());
      execution.setActivity(nextScope);

      if (nextScope.isCancelScope()) {
        execution.performOperation(TRANSITION_CANCEL_SCOPE);
      } else {
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      propagatingExecution = execution;
    }

    // if there is another scope element that is ended
    ScopeImpl nextOuterScopeElement = activity.getParent();
    TransitionImpl transition = propagatingExecution.getTransition();
    ActivityImpl destination = transition.getDestination();
    if (transitionLeavesNextOuterScope(nextOuterScopeElement, activity, destination)) {
      propagatingExecution.setActivity((ActivityImpl) nextOuterScopeElement);
      propagatingExecution.performOperation(TRANSITION_NOTIFY_LISTENER_END);
    } else {
      propagatingExecution.performOperation(TRANSITION_NOTIFY_LISTENER_TAKE);
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      } else if (sourceActivity.getActivityBehavior() instanceof SubProcessActivityBehavior && (Boolean) sourceActivity.getProperty(PROPERTYNAME_TRIGGERED_BY_EVENT)) {
        addError("Invalid outgoing sequence flow of event subprocess", sequenceFlowElement);
      } else if (destinationActivity.getActivityBehavior() instanceof SubProcessActivityBehavior && (Boolean) destinationActivity.getProperty(PROPERTYNAME_TRIGGERED_BY_EVENT)) {
        addError("Invalid incoming sequence flow of event subprocess", sequenceFlowElement);
      } else {
        TransitionImpl transition = sourceActivity.createOutgoingTransition(id);
        sequenceFlows.put(id, transition);
        transition.setProperty("name", sequenceFlowElement.attribute("name"));
        transition.setProperty("documentation", parseDocumentation(sequenceFlowElement));
        transition.setDestination(destinationActivity);
        parseSequenceFlowConditionExpression(sequenceFlowElement, transition);
        parseExecutionListenersOnTransition(sequenceFlowElement, transition);

        for (BpmnParseListener parseListener : parseListeners) {
          parseListener.parseSequenceFlow(sequenceFlowElement, scope, transition);
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  public void parseBPMNEdge(Element bpmnEdgeElement) {
    String sequenceFlowId = bpmnEdgeElement.attribute("bpmnElement");
    if (sequenceFlowId != null && !"".equals(sequenceFlowId)) {
      if (sequenceFlows != null && sequenceFlows.containsKey(sequenceFlowId)) {

        TransitionImpl sequenceFlow = sequenceFlows.get(sequenceFlowId);
        List<Element> waypointElements = bpmnEdgeElement.elementsNS(BpmnParser.OMG_DI_NS, "waypoint");
        if (waypointElements.size() >= 2) {
          List<Integer> waypoints = new ArrayList<Integer>();
          for (Element waypointElement : waypointElements) {
            waypoints.add(parseDoubleAttribute(waypointElement, "x", waypointElement.attribute("x"), true).intValue());
            waypoints.add(parseDoubleAttribute(waypointElement, "y", waypointElement.attribute("y"), true).intValue());
          }
          sequenceFlow.setWaypoints(waypoints);
        } else {
          addError("Minimum 2 waypoint elements must be definted for a 'BPMNEdge'", bpmnEdgeElement);
        }
      } else if(!elementIds.contains(sequenceFlowId)) { // it might not be a sequenceFlow but it might still reference 'something'
        addError("Invalid reference in 'bpmnElement' attribute, sequenceFlow " + sequenceFlowId + "not found", bpmnEdgeElement);
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      throw new PvmException("already taking a transition");
    }
    if (transition==null) {
      throw new PvmException("transition is null");
    }
    TransitionImpl transitionImpl = (TransitionImpl) transition;
    setActivity(transitionImpl.getSource());
    setTransition(transitionImpl);
    performOperation(PvmAtomicOperation.TRANSITION_NOTIFY_LISTENER_END);
  }
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      log.fine("recyclable executions for reuse: " + recyclableExecutions);

      // first create the concurrent executions
      while (!transitions.isEmpty()) {
        TransitionImpl outgoingTransition = transitions.remove(0);

        PvmExecutionImpl outgoingExecution = null;
        if (recyclableExecutions.isEmpty()) {
          outgoingExecution = concurrentRoot.createExecution();
          log.fine("new "+outgoingExecution+" with parent "
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  public TransitionImpl getTransition() {
    return transition;
  }

  public String getCurrentTransitionId() {
    TransitionImpl transition = getTransition();
    if(transition != null) {
      return transition.getId();
    } else {
      return null;
    }
  }
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Related Classes of org.camunda.bpm.engine.impl.pvm.process.TransitionImpl

  • org.camunda.bpm.engine.impl.bpmn.parser.BpmnParse
  • org.camunda.bpm.engine.impl.jobexecutor.AsyncContinuationJobHandler
  • org.camunda.bpm.engine.impl.pvm.ProcessDefinitionBuilder
  • org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionDestroyScope
  • org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerStart
  • org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerTake
  • org.camunda.bpm.engine.impl.pvm.runtime.PvmExecutionImpl
  • org.camunda.bpm.engine.test.bpmn.parse.BpmnParseTest
  • org.camunda.bpm.engine.test.serializable.ObjectSerializableTest
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