Java Code Examples for org.activiti.engine.impl.pvm.delegate.ActivityExecution#getActivity()

public void execute(DelegateExecution execution) {
    ActivityExecution activityExecution = (ActivityExecution) execution;
    PvmActivity activity = activityExecution.getActivity();

    List<PvmTransition> outgoingTransitions = activityExecution.getActivity().getOutgoingTransitions();

    execution.inactivate();

    List<ActivityExecution> joinedExecutions = activityExecution.findInactiveConcurrentExecutions(activity);

    int nbrOfExecutionsToJoin = activityExecution.getActivity().getIncomingTransitions().size();
    int nbrOfExecutionsJoined = joinedExecutions.size();

    if (nbrOfExecutionsJoined == nbrOfExecutionsToJoin) {
        LOGGER.debug("parallel gateway '{}' activates: {} of {} joined", activity.getId(), nbrOfExecutionsJoined, nbrOfExecutionsToJoin);
        activityExecution.takeAll(outgoingTransitions, joinedExecutions);

    } else if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("parallel gateway '{}' does not activate: {} of {} joined", activity.getId(), nbrOfExecutionsJoined, nbrOfExecutionsToJoin);
    }
}
 

private static String findLocalErrorEventHandler(ActivityExecution execution, String errorCode) {
    PvmScope scope = execution.getActivity();
    while (scope != null) {

        @SuppressWarnings("unchecked")
        List<ErrorEventDefinition> definitions = (List<ErrorEventDefinition>) scope.getProperty(BpmnParse.PROPERTYNAME_ERROR_EVENT_DEFINITIONS);
        if (definitions != null) {
            // definitions are sorted by precedence, ie. event subprocesses first.
            for (ErrorEventDefinition errorEventDefinition : definitions) {
                if (errorEventDefinition.catches(errorCode)) {
                    return scope.findActivity(errorEventDefinition.getHandlerActivityId()).getId();
                }
            }
        }

        // search for error handlers in parent scopes
        if (scope instanceof PvmActivity) {
            scope = ((PvmActivity) scope).getParent();
        } else {
            scope = null;
        }
    }
    return null;
}
 

@Override
public void execute(DelegateExecution execution) {
    ActivityExecution activityExecution = (ActivityExecution) execution;
    // Join
    PvmActivity activity = activityExecution.getActivity();
    List<PvmTransition> outgoingTransitions = activityExecution.getActivity().getOutgoingTransitions();
    execution.inactivate();
    lockConcurrentRoot(activityExecution);

    List<ActivityExecution> joinedExecutions = activityExecution.findInactiveConcurrentExecutions(activity);
    int nbrOfExecutionsToJoin = activityExecution.getActivity().getIncomingTransitions().size();
    int nbrOfExecutionsJoined = joinedExecutions.size();
    Context.getCommandContext().getHistoryManager().recordActivityEnd((ExecutionEntity) execution);
    if (nbrOfExecutionsJoined == nbrOfExecutionsToJoin) {

        // Fork
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("parallel gateway '{}' activates: {} of {} joined", activity.getId(), nbrOfExecutionsJoined, nbrOfExecutionsToJoin);
        }
        activityExecution.takeAll(outgoingTransitions, joinedExecutions);

    } else if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("parallel gateway '{}' does not activate: {} of {} joined", activity.getId(), nbrOfExecutionsJoined, nbrOfExecutionsToJoin);
    }
}
 

@Override
public void execute(DelegateExecution execution) {
    ActivityExecution activityExecution = (ActivityExecution) execution;
    PvmActivity activity = activityExecution.getActivity();
    ActivityImpl initialActivity = (ActivityImpl) activity.getProperty(BpmnParse.PROPERTYNAME_INITIAL);

    if (initialActivity == null) {
        throw new ActivitiException("No initial activity found for subprocess "
                + activityExecution.getActivity().getId());
    }

    // initialize the template-defined data objects as variables
    initializeDataObjects(activityExecution, activity);

    if (initialActivity.getActivityBehavior() != null
            && initialActivity.getActivityBehavior() instanceof NoneStartEventActivityBehavior) { // embedded subprocess: only none start allowed
        ((ExecutionEntity) execution).setActivity(initialActivity);
        Context.getCommandContext().getHistoryManager().recordActivityStart((ExecutionEntity) execution);
    }

    activityExecution.executeActivity(initialActivity);
}
 

@Override
public void execute(DelegateExecution delegateExecution) {
    ActivityExecution execution = (ActivityExecution) delegateExecution;
    ActivityImpl terminateEndEventActivity = (ActivityImpl) execution.getActivity();

    if (terminateAll) {
        ActivityExecution processInstanceExecution = findRootProcessInstanceExecution((ExecutionEntity) execution);
        terminateProcessInstanceExecution(execution, terminateEndEventActivity, processInstanceExecution);
    } else {
        ActivityExecution scopeExecution = ScopeUtil.findScopeExecution(execution);
        if (scopeExecution != null) {
            terminateExecution(execution, terminateEndEventActivity, scopeExecution);
        }
    }

}
 

private void dispatchExecutionCancelled(ActivityExecution execution, ActivityImpl causeActivity) {
    // subprocesses
    for (ActivityExecution subExecution : execution.getExecutions()) {
        dispatchExecutionCancelled(subExecution, causeActivity);
    }

    // call activities
    ExecutionEntity subProcessInstance = Context.getCommandContext().getExecutionEntityManager().findSubProcessInstanceBySuperExecutionId(execution.getId());
    if (subProcessInstance != null) {
        dispatchExecutionCancelled(subProcessInstance, causeActivity);
    }

    // activity with message/signal boundary events
    ActivityImpl activity = (ActivityImpl) execution.getActivity();
    if (activity != null && activity.getActivityBehavior() != null && activity != causeActivity) {
        dispatchActivityCancelled(execution, activity, causeActivity);
    }
}
 

@Override
public void execute(DelegateExecution execution) {
    ActivityExecution activityExecution = (ActivityExecution) execution;
    // find cancel boundary event:
    ActivityImpl cancelBoundaryEvent = ScopeUtil
            .findInParentScopesByBehaviorType((ActivityImpl) activityExecution.getActivity(), CancelBoundaryEventActivityBehavior.class);

    if (cancelBoundaryEvent == null) {
        throw new ActivitiException("Could not find cancel boundary event for cancel end event " + activityExecution.getActivity());
    }

    ActivityExecution scopeExecution = ScopeUtil.findScopeExecutionForScope((ExecutionEntity) execution, cancelBoundaryEvent.getParentActivity());

    // end all executions and process instances in the scope of the transaction
    scopeExecution.destroyScope("cancel end event fired");

    // the scope execution executes the boundary event
    InterpretableExecution outgoingExecution = (InterpretableExecution) scopeExecution;
    outgoingExecution.setActivity(cancelBoundaryEvent);
    outgoingExecution.setActive(true);

    // execute the boundary
    cancelBoundaryEvent
            .getActivityBehavior()
            .execute(outgoingExecution);
}
 

@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;
    if (isInterrupting) {
        recyclableExecutions = removeAllExecutions(execution);
    } else {
        recyclableExecutions = Collections.EMPTY_LIST;
    }
    execution.takeAll(timerActivity.getOutgoingTransitions(), recyclableExecutions);
}
 

@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;
    if (isInterrupting) {
        recyclableExecutions = removeAllExecutions(execution);
    } else {
        recyclableExecutions = Collections.EMPTY_LIST;
    }
    execution.takeAll(timerActivity.getOutgoingTransitions(), recyclableExecutions);
}
 

@Override
public List<ActivityExecution> findInactiveConcurrentExecutions(PvmActivity activity) {
    List<ActivityExecution> inactiveConcurrentExecutionsInActivity = new ArrayList<>();
    List<ActivityExecution> otherConcurrentExecutions = new ArrayList<>();
    if (isConcurrent()) {
        List<? extends ActivityExecution> concurrentExecutions = getParent().getExecutions();
        for (ActivityExecution concurrentExecution : concurrentExecutions) {
            if (concurrentExecution.getActivity() != null && concurrentExecution.getActivity().getId().equals(activity.getId())) {
                if (concurrentExecution.isActive()) {
                    throw new PvmException("didn't expect active execution in " + activity + ". bug?");
                }
                inactiveConcurrentExecutionsInActivity.add(concurrentExecution);
            } else {
                otherConcurrentExecutions.add(concurrentExecution);
            }
        }
    } else {
        if (!isActive()) {
            inactiveConcurrentExecutionsInActivity.add(this);
        } else {
            otherConcurrentExecutions.add(this);
        }
    }
    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("inactive concurrent executions in '{}': {}", activity, inactiveConcurrentExecutionsInActivity);
        LOGGER.debug("other concurrent executions: {}", otherConcurrentExecutions);
    }
    return inactiveConcurrentExecutionsInActivity;
}
 

@Override
public List<ActivityExecution> findInactiveConcurrentExecutions(PvmActivity activity) {
    List<ActivityExecution> inactiveConcurrentExecutionsInActivity = new ArrayList<>();
    List<ActivityExecution> otherConcurrentExecutions = new ArrayList<>();
    if (isConcurrent()) {
        List<? extends ActivityExecution> concurrentExecutions = getParent().getAllChildExecutions();
        for (ActivityExecution concurrentExecution : concurrentExecutions) {
            if (concurrentExecution.getActivity() != null && concurrentExecution.getActivity().getId().equals(activity.getId())) {
                if (!concurrentExecution.isActive()) {
                    inactiveConcurrentExecutionsInActivity.add(concurrentExecution);
                }
            } else {
                otherConcurrentExecutions.add(concurrentExecution);
            }
        }
    } else {
        if (!isActive()) {
            inactiveConcurrentExecutionsInActivity.add(this);
        } else {
            otherConcurrentExecutions.add(this);
        }
    }
    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("inactive concurrent executions in '{}': {}", activity, inactiveConcurrentExecutionsInActivity);
        LOGGER.debug("other concurrent executions: {}", otherConcurrentExecutions);
    }
    return inactiveConcurrentExecutionsInActivity;
}
 

public boolean activeConcurrentExecutionsExist(ActivityExecution execution) {
    PvmActivity activity = execution.getActivity();
    if (execution.isConcurrent()) {
        for (ActivityExecution concurrentExecution : getLeaveExecutions(execution.getParent())) {
            if (concurrentExecution.isActive() && !concurrentExecution.getId().equals(execution.getId())) {
                // TODO: when is transitionBeingTaken cleared? Should we clear it?
                boolean reachable = false;
                PvmTransition pvmTransition = ((ExecutionEntity) concurrentExecution).getTransitionBeingTaken();
                if (pvmTransition != null) {
                    reachable = isReachable(pvmTransition.getDestination(), activity, new HashSet<>());
                } else {
                    reachable = isReachable(concurrentExecution.getActivity(), activity, new HashSet<>());
                }

                if (reachable) {
                    if (LOGGER.isDebugEnabled()) {
                        LOGGER.debug("an active concurrent execution found: '{}'", concurrentExecution.getActivity());
                    }
                    return true;
                }
            }
        }
    } else if (execution.isActive()) { // is this ever true?
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("an active concurrent execution found: '{}'", execution.getActivity());
        }
        return true;
    }

    return false;
}
 

@Override
public void execute(DelegateExecution execution) {

    CommandContext commandContext = Context.getCommandContext();

    List<SignalEventSubscriptionEntity> subscriptionEntities = null;
    if (processInstanceScope) {
        subscriptionEntities = commandContext
                .getEventSubscriptionEntityManager()
                .findSignalEventSubscriptionsByProcessInstanceAndEventName(execution.getProcessInstanceId(), signalDefinition.getEventName());
    } else {
        subscriptionEntities = commandContext
                .getEventSubscriptionEntityManager()
                .findSignalEventSubscriptionsByEventName(signalDefinition.getEventName(), execution.getTenantId());
    }

    for (SignalEventSubscriptionEntity signalEventSubscriptionEntity : subscriptionEntities) {
        ProcessDefinition processDefinition = ProcessDefinitionUtil.getProcessDefinition(signalEventSubscriptionEntity.getProcessDefinitionId());
        if (Flowable5Util.isVersion5Tag(processDefinition.getEngineVersion())) {
            signalEventSubscriptionEntity.eventReceived(null, signalDefinition.isAsync());
            
        } else {
            EventSubscriptionService eventSubscriptionService = CommandContextUtil.getEventSubscriptionService();
            EventSubscriptionEntity flowable6EventSubscription = eventSubscriptionService.findById(signalEventSubscriptionEntity.getId());
            EventSubscriptionUtil.eventReceived(flowable6EventSubscription, null, signalDefinition.isAsync());
        }
    }

    ActivityExecution activityExecution = (ActivityExecution) execution;
    if (activityExecution.getActivity() != null) { // don't continue if process has already finished
        leave(activityExecution);
    }
}
 

/**
 * Performs the default outgoing BPMN 2.0 behavior, which is having parallel paths of executions for the outgoing sequence flow.
 * <p>
 * More precisely: every sequence flow that has a condition which evaluates to true (or which doesn't have a condition), is selected for continuation of the process instance. If multiple sequencer
 * flow are selected, multiple, parallel paths of executions are created.
 */
public void performDefaultOutgoingBehavior(ActivityExecution activityExecution) {
    ActivityImpl activity = (ActivityImpl) activityExecution.getActivity();
    if (!(activity.getActivityBehavior() instanceof IntermediateCatchEventActivityBehavior)) {
        dispatchJobCanceledEvents(activityExecution);
    }
    performOutgoingBehavior(activityExecution, true, false, null);
}
 

public void signal(ActivityExecution execution, String signalName, Object signalData) throws Exception {
    PvmActivity activity = execution.getActivity();
    System.out.println("触发活动" + activity.getId());

    PvmTransition transition = activity.getOutgoingTransitions().get(0);
    execution.take(transition);
}
 

@Override
public void execute(DelegateExecution execution) {
    ActivityExecution activityExecution = (ActivityExecution) execution;
    activityExecution.inactivate();
    lockConcurrentRoot(activityExecution);

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

        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("inclusive gateway '{}' activates", activity.getId());
        }

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

        for (PvmTransition outgoingTransition : activityExecution.getActivity().getOutgoingTransitions()) {

            Expression skipExpression = outgoingTransition.getSkipExpression();
            if (!SkipExpressionUtil.isSkipExpressionEnabled(activityExecution, skipExpression)) {
                if (defaultSequenceFlow == null || !outgoingTransition.getId().equals(defaultSequenceFlow)) {
                    Condition condition = (Condition) outgoingTransition.getProperty(BpmnParse.PROPERTYNAME_CONDITION);
                    if (condition == null || condition.evaluate(outgoingTransition.getId(), execution)) {
                        transitionsToTake.add(outgoingTransition);
                    }
                }
            } else if (SkipExpressionUtil.shouldSkipFlowElement(activityExecution, skipExpression)) {
                transitionsToTake.add(outgoingTransition);
            }
        }

        if (!transitionsToTake.isEmpty()) {
            activityExecution.takeAll(transitionsToTake, joinedExecutions);

        } else {

            if (defaultSequenceFlow != null) {
                PvmTransition defaultTransition = activityExecution.getActivity().findOutgoingTransition(defaultSequenceFlow);
                if (defaultTransition != null) {
                    activityExecution.take(defaultTransition);
                } else {
                    throw new ActivitiException("Default sequence flow '"
                            + defaultSequenceFlow + "' could not be not found");
                }
            } else {
                // No sequence flow could be found, not even a default one
                throw new ActivitiException(
                        "No outgoing sequence flow of the inclusive gateway '"
                                + activityExecution.getActivity().getId()
                                + "' could be selected for continuing the process");
            }
        }

    } else {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("Inclusive gateway '{}' does not activate", activity.getId());
        }
    }
}