protected internal virtual void PropagateError(string errorCode, string errorMessage, System.Exception origException, IActivityExecution execution) { var walker = new ActivityExecutionHierarchyWalker(execution); var errorDeclarationFinder = new ErrorDeclarationForProcessInstanceFinder(this, origException, errorCode, execution.Activity); var activityExecutionMappingCollector = new ActivityExecutionMappingCollector(execution); walker.AddScopePreVisitor(errorDeclarationFinder); walker.AddExecutionPreVisitor(activityExecutionMappingCollector); // map variables to super executions in the hierarchy of called process instances walker.AddExecutionPreVisitor(new OutputVariablesPropagator()); try { walker.WalkUntil((element) => errorDeclarationFinder.ErrorEventDefinition != null || element == null); } catch (System.Exception e) { //separate the exception handling to support a fail-safe error propagation throw new ErrorPropagationException(this, e); } var errorHandlingActivity = errorDeclarationFinder.ErrorHandlerActivity; // process the error if (errorHandlingActivity == null) { if (origException == null) { Log.MissingBoundaryCatchEvent(execution.Activity.Id, errorCode); execution.End(true); } else { // throw original exception throw origException; } } else { var errorDefinition = errorDeclarationFinder.ErrorEventDefinition; var errorHandlingExecution = activityExecutionMappingCollector.GetExecutionForScope(errorHandlingActivity.EventScope); if (!ReferenceEquals(errorDefinition.ErrorCodeVariable, null)) { errorHandlingExecution.SetVariable(errorDefinition.ErrorCodeVariable, errorCode); } if (!ReferenceEquals(errorDefinition.ErrorMessageVariable, null)) { errorHandlingExecution.SetVariable(errorDefinition.ErrorMessageVariable, errorMessage); } errorHandlingExecution.ExecuteActivity(errorHandlingActivity); } }
// sequential multi instance ///////////////////////////////// public static bool EventSubprocessComplete(IActivityExecution scopeExecution) { var performLegacyBehavior = IsLegacyBehaviorRequired(scopeExecution); if (performLegacyBehavior) { Log.CompleteNonScopeEventSubprocess(); scopeExecution.End(false); } return(performLegacyBehavior); }
public void Complete(IActivityExecution execution) { var outgoingTransitions = execution.Activity.OutgoingTransitions; if (!outgoingTransitions.Any()) { execution.End(true); } else { execution.LeaveActivityViaTransitions(outgoingTransitions, new List <IActivityExecution>()); } }
public void Execute(IActivityExecution execution) { IList <IPvmTransition> outgoingTransitions = execution.Activity.OutgoingTransitions; if (!outgoingTransitions.Any()) { execution.End(true); } else { execution.LeaveActivityViaTransition(outgoingTransitions[0]); } }
public override void Execute(IActivityExecution execution) { execution.End(true); }
/// <summary> /// Actual implementation of leaving an activity. /// </summary> /// <param name="execution"> /// The current execution context /// </param> /// <param name="checkConditions"> /// Whether or not to check conditions before determining whether or /// not to take a transition. /// </param> /// <param name="throwExceptionIfExecutionStuck"> /// If true, an <seealso cref="ProcessEngineException" /> will be thrown in case no /// transition could be found to leave the activity. /// </param> protected internal virtual void PerformOutgoingBehavior(IActivityExecution execution, bool checkConditions, bool throwExceptionIfExecutionStuck, IList <IActivityExecution> reusableExecutions) { Log.LeavingActivity(execution.Activity.Id); var defaultSequenceFlow = (string)execution.Activity.GetProperty("default"); IList <IPvmTransition> transitionsToTake = new List <IPvmTransition>(); IList <IPvmTransition> outgoingTransitions = execution.Activity.OutgoingTransitions; foreach (IPvmTransition outgoingTransition in outgoingTransitions) { if (defaultSequenceFlow == null || outgoingTransition.Id != defaultSequenceFlow) { var condition = (ICondition)outgoingTransition.GetProperty(BpmnParse.PropertynameCondition); if ((condition == null) || !checkConditions || condition.Evaluate(execution)) { transitionsToTake.Add(outgoingTransition); } } } if (transitionsToTake.Count == 1) { execution.LeaveActivityViaTransition(transitionsToTake.ElementAt(0)); } else if (transitionsToTake.Count >= 1) { if (reusableExecutions == null || reusableExecutions.Count == 0) { execution.LeaveActivityViaTransitions(transitionsToTake, new List <IActivityExecution>() { execution }); } else { execution.LeaveActivityViaTransitions(transitionsToTake, reusableExecutions); } } else { //if (!ReferenceEquals(defaultSequenceFlow, null)) if (!string.IsNullOrEmpty(defaultSequenceFlow)) { var defaultTransition = execution.Activity.FindOutgoingTransition(defaultSequenceFlow); if (defaultTransition != null) { execution.LeaveActivityViaTransition(defaultTransition); } else { throw Log.MissingDefaultFlowException(execution.Activity.Id, defaultSequenceFlow); } } else if (outgoingTransitions.Count > 0) { throw Log.MissingConditionalFlowException(execution.Activity.Id); } else { if (((ActivityImpl)execution.Activity).CompensationHandler && IsAncestorCompensationThrowing(execution)) { execution.EndCompensation(); } else { Log.MissingOutgoingSequenceFlow(execution.Activity.Id); execution.End(true); if (throwExceptionIfExecutionStuck) { throw Log.StuckExecutionException(execution.Activity.Id); } } } } }
public virtual void Execute(IActivityExecution execution) { execution.End(true); }
public override void Execute(IActivityExecution execution) { // we are the last execution inside this scope: calling end() ends this scope. execution.End(true); }