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

Examples of org.camunda.bpm.engine.impl.pvm.PvmActivity

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    assertEquals(procDefId, processDefinition.getId());
    assertEquals("Process One", processDefinition.getName());
    assertEquals("the first process", processDefinition.getProperty("documentation"));
   
    PvmActivity start = processDefinition.findActivity("start");
    assertNotNull(start);
    assertEquals("start", start.getId());
    assertEquals("S t a r t", start.getProperty("name"));
    assertEquals("the start event", start.getProperty("documentation"));
    assertEquals(Collections.EMPTY_LIST, start.getActivities());
    List<PvmTransition> outgoingTransitions = start.getOutgoingTransitions();
    assertEquals(1, outgoingTransitions.size());
    assertEquals("${a == b}", outgoingTransitions.get(0).getProperty(BpmnParse.PROPERTYNAME_CONDITION_TEXT));

    PvmActivity end = processDefinition.findActivity("end");
    assertNotNull(end);
    assertEquals("end", end.getId());
   
    PvmTransition transition = outgoingTransitions.get(0);
    assertEquals("flow1", transition.getId());
    assertEquals("Flow One", transition.getProperty("name"));
    assertEquals("The only transitions in the process", transition.getProperty("documentation"));
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  // used by timers
  @SuppressWarnings("unchecked")
  public void timerFires(ActivityExecution execution, String signalName, Object signalData) throws Exception {
    PvmActivity timerActivity = execution.getActivity();
    boolean isInterrupting = (Boolean) timerActivity.getProperty("isInterrupting");
    List<ActivityExecution> recyclableExecutions = null;
    if (isInterrupting) {
      recyclableExecutions = removeAllExecutions(execution);
    } else {
      recyclableExecutions = Collections.EMPTY_LIST;
    }
    execution.takeAll(timerActivity.getOutgoingTransitions(), recyclableExecutions);
  }
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public class ParallelGateway implements ActivityBehavior {
 
  private static Logger log = Logger.getLogger(ParallelGateway.class.getName());
 
  public void execute(ActivityExecution execution) {
    PvmActivity activity = execution.getActivity();

    List<PvmTransition> outgoingTransitions = execution.getActivity().getOutgoingTransitions();
   
    execution.inactivate();
   
    List<ActivityExecution> joinedExecutions = execution.findInactiveConcurrentExecutions(activity);
   
    int nbrOfExecutionsToJoin = execution.getActivity().getIncomingTransitions().size();
    int nbrOfExecutionsJoined = joinedExecutions.size();
   
    if (nbrOfExecutionsJoined==nbrOfExecutionsToJoin) {
      log.fine("parallel gateway '"+activity.getId()+"' activates: "+nbrOfExecutionsJoined+" of "+nbrOfExecutionsToJoin+" joined");
      execution.takeAll(outgoingTransitions, joinedExecutions);
     
    } else if (log.isLoggable(Level.FINE)){
      log.fine("parallel gateway '"+activity.getId()+"' does not activate: "+nbrOfExecutionsJoined+" of "+nbrOfExecutionsToJoin+" joined");
    }
  }
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  // used by timers
  @SuppressWarnings("unchecked")
  public void timerFires(ActivityExecution execution, String signalName, Object signalData) throws Exception {
    PvmActivity timerActivity = execution.getActivity();
    boolean isInterrupting = (Boolean) timerActivity.getProperty("isInterrupting");
    List<ActivityExecution> recyclableExecutions = null;
    if (isInterrupting) {
      recyclableExecutions = removeAllExecutions(execution);
    } else {
      recyclableExecutions = Collections.EMPTY_LIST;
    }
    execution.takeAll(timerActivity.getOutgoingTransitions(), recyclableExecutions);
  }
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* @author Roman Smirnov
*/
public class EventSubProcessStartEventActivityBehavior extends NoneStartEventActivityBehavior {

  public void execute(ActivityExecution execution) throws Exception {
    PvmActivity parent = (PvmActivity) execution.getActivity().getParent();

    if (parent.isCancelScope()) {

      // We need to do an interrupt scope in order to remove all jobs (timers ...) and
      // Message / signal event subscriptions created by this or other start events.

      // The interrupting event subprocess must only fire once and cancel the Event Handlers
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  private static Logger log = Logger.getLogger(ParallelGatewayActivityBehavior.class.getName());

  public void execute(ActivityExecution execution) throws Exception {
   
    // Join
    PvmActivity activity = execution.getActivity();
    List<PvmTransition> outgoingTransitions = execution.getActivity().getOutgoingTransitions();
   
    execution.inactivate();
    lockConcurrentRoot(execution);
   
    List<ActivityExecution> joinedExecutions = execution.findInactiveConcurrentExecutions(activity);
    int nbrOfExecutionsToJoin = execution.getActivity().getIncomingTransitions().size();
    int nbrOfExecutionsJoined = joinedExecutions.size();
   
    if (nbrOfExecutionsJoined==nbrOfExecutionsToJoin) {
     
      // Fork
      log.fine("parallel gateway '"+activity.getId()+"' activates: "+nbrOfExecutionsJoined+" of "+nbrOfExecutionsToJoin+" joined");
      execution.takeAll(outgoingTransitions, joinedExecutions);
     
    } else if (log.isLoggable(Level.FINE)){
      log.fine("parallel gateway '"+activity.getId()+"' does not activate: "+nbrOfExecutionsJoined+" of "+nbrOfExecutionsToJoin+" joined");
    }
  }
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* @author Joram Barrez
*/
public class SubProcessActivityBehavior extends AbstractBpmnActivityBehavior implements CompositeActivityBehavior {
 
  public void execute(ActivityExecution execution) throws Exception {
    PvmActivity activity = execution.getActivity();
    ActivityImpl initialActivity = (ActivityImpl) activity.getProperty(BpmnParse.PROPERTYNAME_INITIAL);

    ensureNotNull("No initial activity found for subprocess " + execution.getActivity().getId(), "initialActivity", initialActivity);

    execution.executeActivity(initialActivity);
  }
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  public void execute(ActivityExecution execution) throws Exception {

    execution.inactivate();
    lockConcurrentRoot(execution);

    PvmActivity activity = execution.getActivity();
    if (!activeConcurrentExecutionsExist(execution)) {

      if (log.isLoggable(Level.FINE)) {
        log.fine("inclusive gateway '" + activity.getId() + "' activates");
      }

      List<ActivityExecution> joinedExecutions = execution.findInactiveConcurrentExecutions(activity);
      String defaultSequenceFlow = (String) execution.getActivity().getProperty("default");
      List<PvmTransition> transitionsToTake = new ArrayList<PvmTransition>();

      // find matching non-default sequence flows
      for (PvmTransition outgoingTransition : execution.getActivity().getOutgoingTransitions()) {
        if (defaultSequenceFlow == null || !outgoingTransition.getId().equals(defaultSequenceFlow)) {
          Condition condition = (Condition) outgoingTransition.getProperty(BpmnParse.PROPERTYNAME_CONDITION);
          if (condition == null || condition.evaluate(execution)) {
            transitionsToTake.add(outgoingTransition);
          }
        }
      }

      // if none found, add default flow
      if (transitionsToTake.isEmpty()) {
        if (defaultSequenceFlow != null) {
          PvmTransition defaultTransition = execution.getActivity().findOutgoingTransition(defaultSequenceFlow);
          if (defaultTransition == null) {
            throw new ProcessEngineException("Default sequence flow '" + defaultSequenceFlow + "' could not be not found");
          }

          transitionsToTake.add(defaultTransition);

        } else {
          // No sequence flow could be found, not even a default one
          throw new ProcessEngineException("No outgoing sequence flow of the inclusive gateway '" + execution.getActivity().getId()
                  + "' could be selected for continuing the process");
        }
      }

      // take the flows found
      execution.takeAll(transitionsToTake, joinedExecutions);
    } else {
      if (log.isLoggable(Level.FINE)) {
        log.fine("Inclusive gateway '" + activity.getId() + "' does not activate");
      }
    }
  }
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    return executionlist;
  }

  public boolean activeConcurrentExecutionsExist(ActivityExecution execution) {
    PvmActivity activity = execution.getActivity();
    if (execution.isConcurrent()) {
      for (ActivityExecution concurrentExecution : getLeaveExecutions(execution.getParent())) {
        if (concurrentExecution.isActive()) {

          // TODO: when is transitionBeingTaken cleared? Should we clear it?
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    visitedActivities.add(srcActivity);

    List<PvmTransition> transitionList = srcActivity.getOutgoingTransitions();
    if (transitionList != null && transitionList.size() > 0) {
      for (PvmTransition pvmTransition : transitionList) {
        PvmActivity destinationActivity = pvmTransition.getDestination();
        if (destinationActivity != null && !visitedActivities.contains(destinationActivity)) {
          boolean reachable = isReachable(destinationActivity, targetActivity, visitedActivities);
          // If false, we should investigate other paths, and not yet return the result
          if (reachable) {
            return true;
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Related Classes of org.camunda.bpm.engine.impl.pvm.PvmActivity

  • org.camunda.bpm.engine.impl.bpmn.behavior.EventSubProcessStartEventActivityBehavior
  • org.camunda.bpm.engine.impl.bpmn.behavior.InclusiveGatewayActivityBehavior
  • org.camunda.bpm.engine.impl.bpmn.behavior.ParallelGatewayActivityBehavior
  • org.camunda.bpm.engine.impl.bpmn.behavior.SubProcessActivityBehavior
  • org.camunda.bpm.engine.test.db.ProcessDefinitionPersistenceTest
  • org.camunda.bpm.engine.test.pvm.activities.EmbeddedSubProcess
  • org.camunda.bpm.engine.test.pvm.activities.EventScopeCreatingSubprocess
  • org.camunda.bpm.engine.test.pvm.activities.ParallelGateway
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