protected internal virtual bool CanReachActivity(IActivityExecution execution, IPvmActivity activity) { IPvmTransition pvmTransition = execution.Transition; if (pvmTransition != null) { return(IsReachable(pvmTransition.Destination, activity, new HashSet <IPvmActivity>())); } return(IsReachable(execution.Activity, activity, new HashSet <IPvmActivity>())); }
public InstantiationStack(IList <IPvmActivity> activities, IPvmActivity targetActivity, IPvmTransition targetTransition) { EnsureUtil.EnsureOnlyOneNotNull("target must be either a transition or an activity", targetActivity, targetTransition); this.Activities = activities; // TODO: make this a subclass that contains targetActivity and targetTransition?! this.TargetActivity = targetActivity; this.TargetTransition = targetTransition; }
/// <summary> /// The default behaviour of BPMN, taking every outgoing sequence flow /// (where the condition evaluates to true), is not valid for an exclusive /// gateway. /// Hence, this behaviour is overriden and replaced by the correct behavior: /// selecting the first sequence flow which condition evaluates to true /// (or which hasn't got a condition) and leaving the activity through that /// sequence flow. /// If no sequence flow is selected (ie all conditions evaluate to false), /// then the default sequence flow is taken (if defined). /// </summary> public override void DoLeave(IActivityExecution execution) { Log.LeavingActivity(execution.Activity.Id); IPvmTransition outgoingSeqFlow = null; var defaultSequenceFlow = (string)execution.Activity.GetProperty("default"); var transitionIterator = execution.Activity.OutgoingTransitions.GetEnumerator(); while ((outgoingSeqFlow == null) && transitionIterator.MoveNext()) { var seqFlow = transitionIterator.Current; var condition = (ICondition)seqFlow.GetProperty(BpmnParse.PropertynameCondition); if (((condition == null) && (ReferenceEquals(defaultSequenceFlow, null) || !defaultSequenceFlow.Equals(seqFlow.Id))) || ((condition != null) && condition.Evaluate(execution))) { Log.OutgoingSequenceFlowSelected(seqFlow.Id); outgoingSeqFlow = seqFlow; } } if (outgoingSeqFlow != null) { execution.LeaveActivityViaTransition(outgoingSeqFlow); } else { if (!ReferenceEquals(defaultSequenceFlow, null)) { var defaultTransition = execution.Activity.FindOutgoingTransition(defaultSequenceFlow); if (defaultTransition != null) { execution.LeaveActivityViaTransition(defaultTransition); } else { throw Log.MissingDefaultFlowException(execution.Activity.Id, defaultSequenceFlow); } } else { //No sequence flow could be found, not even a default one throw Log.StuckExecutionException(execution.Activity.Id); } } }
public void Execute(IActivityExecution execution) { string @var = (string)execution.GetVariable("var"); IPvmTransition transition = null; try { ExecuteLogic(@var); transition = execution.Activity.FindOutgoingTransition("no-exception"); } catch (System.Exception) { transition = execution.Activity.FindOutgoingTransition("exception"); } execution.LeaveActivityViaTransition(transition); }
public void Execute(IActivityExecution execution) { IPvmTransition transition = null; var creditRating = (string)execution.GetVariable("creditRating"); if (creditRating.Equals("AAA+")) { transition = execution.Activity.FindOutgoingTransition("wow"); } else if (creditRating.Equals("Aaa-")) { transition = execution.Activity.FindOutgoingTransition("nice"); } else { transition = execution.Activity.FindOutgoingTransition("default"); } execution.LeaveActivityViaTransition(transition); }
public virtual void NotTakingTranistion(IPvmTransition outgoingTransition) { LogDebug("001", "Not taking transition '{0}', outgoing execution has ended.", outgoingTransition); }
public void Signal(IActivityExecution execution, String signalName, Object signalData) { IPvmTransition transition = execution.Activity.OutgoingTransitions[0]; execution.LeaveActivityViaTransition(transition); }
public virtual void Execute(IActivityExecution execution) { IPvmTransition transition = execution.Activity.OutgoingTransitions[0]; execution.LeaveActivityViaTransition(transition); }
public OutgoingExecution(IActivityExecution outgoingExecution, IPvmTransition outgoingTransition) { this.outgoingExecution = outgoingExecution; this.OutgoingTransition = outgoingTransition; outgoingExecution.Transition = (outgoingTransition); }