void IActivityEventListener <ActivityExecutionStatusChangedEventArgs> .OnEvent(object sender, ActivityExecutionStatusChangedEventArgs e)
{
ActivityExecutionContext context = sender as ActivityExecutionContext;
if (context == null)
{
throw new ArgumentException();
}
e.Activity.UnregisterForStatusChange(Activity.ClosedEvent, this);
if (e.Activity is EventHandlersActivity)
{
if (this.BodyActivity.ExecutionStatus == ActivityExecutionStatus.Closed)
{
context.CloseActivity();
}
//else Eventhandlers faulted, let exception propagate up.
}
else
{
EventHandlersActivity eventHandlers = this.EventHandlersActivity;
if (eventHandlers == null || eventHandlers.ExecutionStatus == ActivityExecutionStatus.Closed)
{
context.CloseActivity();
}
else
{
eventHandlers.UnsubscribeAndClose();
}
}
}
/// <summary>
/// Defines the processing procedure when the subscribed-to event occurs.
/// </summary>
/// <param name="sender">The object that raised the event.</param>
/// <param name="e">The previously typed event arguments.</param>
void IActivityEventListener <QueueEventArgs> .OnEvent(object sender, QueueEventArgs e)
{
ActivityExecutionContext ctx = sender as ActivityExecutionContext;
if (ctx != null &&
this.ExecutionStatus == ActivityExecutionStatus.Executing)
{
try
{
ActivityExecutionStatus status = ProcessQueueElement(ctx);
if (status == ActivityExecutionStatus.Closed)
{
UnsubscribeFromQueueItemAvailable(ctx);
ctx.CloseActivity();
}
else if (status == ActivityExecutionStatus.Canceling)
{
UnsubscribeFromQueueItemAvailable(ctx);
ctx.CloseActivity();
throw new CustomWorkflowTerminateException(BusinessProcessExecutionResult.Declined);
}
}
finally
{
}
}
}
void IActivityEventListener <ActivityExecutionStatusChangedEventArgs> .OnEvent(object sender, ActivityExecutionStatusChangedEventArgs e)
{
ActivityExecutionContext context = sender as ActivityExecutionContext;
if (context == null)
{
throw new ArgumentException();
}
e.Activity.UnregisterForStatusChange(Activity.ClosedEvent, this);
if (e.Activity is System.Workflow.Activities.EventHandlersActivity)
{
if (this.BodyActivity.ExecutionStatus == ActivityExecutionStatus.Closed)
{
context.CloseActivity();
}
}
else
{
System.Workflow.Activities.EventHandlersActivity eventHandlersActivity = this.EventHandlersActivity;
if ((eventHandlersActivity == null) || (eventHandlersActivity.ExecutionStatus == ActivityExecutionStatus.Closed))
{
context.CloseActivity();
}
else
{
eventHandlersActivity.UnsubscribeAndClose();
}
}
}
protected override void OnWorkflowChangesCompleted(ActivityExecutionContext executionContext)
{
String activeChildQualifiedName = this.GetValue(ActiveChildQualifiedNameProperty) as String;
if (activeChildQualifiedName != null && activeChildRemovedInDynamicUpdate)
{ //We have our active child removed.
if (this.ExecutionStatus == ActivityExecutionStatus.Canceling ||
(this.ExecutionStatus == ActivityExecutionStatus.Faulting) &&
(bool)this.GetValue(SequenceFaultingProperty))
{
if (this.ExecutionStatus == ActivityExecutionStatus.Faulting)
{
this.RemoveProperty(SequenceFaultingProperty);
}
this.RemoveProperty(ActiveChildQualifiedNameProperty);
executionContext.CloseActivity();
}
else if (this.ExecutionStatus == ActivityExecutionStatus.Executing)
{
if (!TryScheduleNextChild(executionContext))
{
OnSequenceComplete(executionContext);
executionContext.CloseActivity();
}
}
}
activeChildRemovedInDynamicUpdate = false;
base.OnWorkflowChangesCompleted(executionContext);
}
protected override void OnWorkflowChangesCompleted(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
base.OnWorkflowChangesCompleted(executionContext);
if (this.ActivityState != null)
{
switch (base.ExecutionStatus)
{
case ActivityExecutionStatus.Executing:
if (this.IsScopeCompleted && this.AllHandlersAreQuiet(this, executionContext))
{
executionContext.CloseActivity();
}
return;
case ActivityExecutionStatus.Canceling:
case ActivityExecutionStatus.Faulting:
if (this.AllHandlersAreQuiet(this, executionContext))
{
executionContext.CloseActivity();
}
return;
case ActivityExecutionStatus.Closed:
case ActivityExecutionStatus.Compensating:
return;
}
}
}
protected override void OnWorkflowChangesCompleted(ActivityExecutionContext executionContext)
{
base.OnWorkflowChangesCompleted(executionContext);
switch (this.ExecutionStatus)
{
case ActivityExecutionStatus.Executing:
if (bodyActivityRemovedInDynamicUpdate)
{
if (EventHandlersActivity == null || EventHandlersActivity.ExecutionStatus == ActivityExecutionStatus.Closed)
{
executionContext.CloseActivity();
}
else if (EventHandlersActivity.ExecutionStatus == ActivityExecutionStatus.Executing)
{
EventHandlersActivity.UnsubscribeAndClose();
}
}
if (eventHandlersRemovedInDynamicUpdate)
{
if (BodyActivity == null || BodyActivity.ExecutionStatus == ActivityExecutionStatus.Closed)
{
executionContext.CloseActivity();
}
}
break;
default:
break;
}
eventHandlersRemovedInDynamicUpdate = false;
bodyActivityRemovedInDynamicUpdate = false;
}
void IActivityEventListener <ActivityExecutionStatusChangedEventArgs> .OnEvent(Object sender, ActivityExecutionStatusChangedEventArgs e)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (e == null)
{
throw new ArgumentNullException("e");
}
ActivityExecutionContext context = sender as ActivityExecutionContext;
if (context == null)
{
throw new ArgumentException(SR.Error_SenderMustBeActivityExecutionContext, "sender");
}
e.Activity.UnregisterForStatusChange(Activity.ClosedEvent, this);
SequenceActivity sequenceActivity = context.Activity as SequenceActivity;
if (sequenceActivity == null)
{
throw new ArgumentException("sender");
}
if (sequenceActivity.ExecutionStatus == ActivityExecutionStatus.Canceling ||
(sequenceActivity.ExecutionStatus == ActivityExecutionStatus.Faulting) &&
(bool)this.GetValue(SequenceFaultingProperty))
{
if (sequenceActivity.ExecutionStatus == ActivityExecutionStatus.Faulting)
{
this.RemoveProperty(SequenceFaultingProperty);
}
this.RemoveProperty(ActiveChildQualifiedNameProperty);
context.CloseActivity();
}
else if (sequenceActivity.ExecutionStatus == ActivityExecutionStatus.Executing)
{
if (!TryScheduleNextChild(context))
{
OnSequenceComplete(context);
context.CloseActivity();
}
}
}
void q_QueueItemAvailable(object sender, QueueEventArgs e)
{
ActivityExecutionContext aec = sender as ActivityExecutionContext;
if (aec != null)
{
WorkflowQueuingService qs = aec.GetService <WorkflowQueuingService>();
WorkflowQueue q = qs.GetWorkflowQueue(e.QueueName);
//get the outparameters from the workflow
object o = q.Dequeue();
//delete the queue
qs.DeleteWorkflowQueue(e.QueueName);
Dictionary <string, object> outparams = o as Dictionary <string, object>;
if (outparams != null)
{
foreach (KeyValuePair <string, object> item in outparams)
{
if (this.Parameters.Contains(item.Key))
{
//modify the value
this.Parameters[item.Key].SetValue(WorkflowParameterBinding.ValueProperty, item.Value);
}
}
}
aec.CloseActivity();
}
}
void IActivityEventListener <ActivityExecutionStatusChangedEventArgs> .OnEvent(object sender, ActivityExecutionStatusChangedEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
if (sender == null)
{
throw new ArgumentNullException("sender");
}
ActivityExecutionContext context = sender as ActivityExecutionContext;
if (context == null)
{
throw new ArgumentException(SR.Error_SenderMustBeActivityExecutionContext, "sender");
}
e.Activity.UnregisterForStatusChange(Activity.ClosedEvent, this);
ActivityExecutionContextManager executionContextManager = context.ExecutionContextManager;
executionContextManager.CompleteExecutionContext(executionContextManager.GetExecutionContext(e.Activity));
if (!this.TryNextIteration(context))
{
context.CloseActivity();
}
}
void IActivityEventListener <ActivityExecutionStatusChangedEventArgs> .OnEvent(object sender, ActivityExecutionStatusChangedEventArgs e)
{
ActivityExecutionContext context = sender as
ActivityExecutionContext;
if (e.ExecutionStatus == ActivityExecutionStatus.Closed)
{
e.Activity.UnregisterForStatusChange(Activity.ClosedEvent, this);
LoggerActivity lgr = context.Activity as LoggerActivity;
bool finished = true;
for (int childNum = 0; childNum < lgr.EnabledActivities.Count;
childNum++)
{
Activity child = lgr.EnabledActivities[childNum];
if ((child.ExecutionStatus != ActivityExecutionStatus.
Initialized) && (child.ExecutionStatus !=
ActivityExecutionStatus.Closed))
{
finished = false;
}
}
if (finished)
{
context.CloseActivity();
}
}
}
protected sealed override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
ActivityExecutionStatus status = ExecuteForActivity(executionContext, this.InterfaceType, this.MethodName);
if (status == ActivityExecutionStatus.Closed)
{
UnsubscribeForActivity(executionContext);
executionContext.CloseActivity();
return(status);
}
// cannot resolve queue name or message not available
// hence subscribe for message arrival
if (!this.ActivitySubscribed)
{
this.ActivitySubscribed = CorrelationService.Subscribe(executionContext, this, this.InterfaceType, this.MethodName, this, this.WorkflowInstanceId);
}
return(ActivityExecutionStatus.Executing);
}
void IActivityEventListener <QueueEventArgs> .OnEvent(object sender, QueueEventArgs e)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (e == null)
{
throw new ArgumentNullException("e");
}
ActivityExecutionContext context = sender as ActivityExecutionContext;
if (context == null)
{
throw new ArgumentException(SR.Error_SenderMustBeActivityExecutionContext, "sender");
}
if (this.ExecutionStatus != ActivityExecutionStatus.Closed)
{
System.Diagnostics.Debug.Assert(this.SubscriptionID != Guid.Empty);
WorkflowQueuingService qService = context.GetService <WorkflowQueuingService>();
qService.GetWorkflowQueue(e.QueueName).Dequeue();
qService.DeleteWorkflowQueue(e.QueueName);
context.CloseActivity();
}
}
protected internal sealed override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
executionContext.CloseActivity();
string error = this.Error;
executionContext.SuspendWorkflowInstance(error);
return ActivityExecutionStatus.Closed;
}
void IActivityEventListener <ActivityExecutionStatusChangedEventArgs> .OnEvent(object sender, ActivityExecutionStatusChangedEventArgs e)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (e == null)
{
throw new ArgumentNullException("e");
}
ActivityExecutionContext context = sender as ActivityExecutionContext;
if (context == null)
{
throw new ArgumentException(SR.Error_SenderMustBeActivityExecutionContext, "sender");
}
ParallelActivity activity = context.Activity as ParallelActivity;
e.Activity.UnregisterForStatusChange(Activity.ClosedEvent, this);
bool flag = true;
for (int i = 0; i < activity.EnabledActivities.Count; i++)
{
Activity activity2 = activity.EnabledActivities[i];
if ((activity2.ExecutionStatus != ActivityExecutionStatus.Initialized) && (activity2.ExecutionStatus != ActivityExecutionStatus.Closed))
{
flag = false;
break;
}
}
if (flag)
{
context.CloseActivity();
}
}
internal bool Cleanup(ConditionedActivityGroup cag, ActivityExecutionContext context)
{
// the completion condition has fired, or we are canceling
// either way, we want to cleanup
ConditionedActivityGroupStateInfo state = cag.CAGState;
state.Completed = true;
// cancel any children currently running
bool childrenActive = false;
Dictionary <string, CAGChildStats> childrenStats = state.ChildrenStats;
foreach (Activity act in cag.EnabledActivities)
{
// reset any Pending Execution for all child activity
if (childrenStats[act.QualifiedName].State == CAGChildState.Pending)
{
childrenStats[act.QualifiedName].State = CAGChildState.Idle;
}
// find the run-time activity
ActivityExecutionContext childContext = GetChildExecutionContext(context, act, false);
if (childContext != null)
{
// child must be running somewhere
Activity activity = GetRuntimeInitializedActivity(context, act);
switch (activity.ExecutionStatus)
{
case ActivityExecutionStatus.Executing:
// schedule cancellation on child
childContext.CancelActivity(activity);
childrenActive = true;
break;
case ActivityExecutionStatus.Canceling:
case ActivityExecutionStatus.Faulting:
childrenActive = true;
break;
case ActivityExecutionStatus.Closed:
CleanupChildAtClosure(context, activity);
break;
default:
// unhook our handler
// others will be removed when we get the complete/cancel notification
act.UnregisterForStatusChange(Activity.ClosedEvent, this);
break;
}
}
}
// if the CAG is quiet, we are all done
if (!childrenActive)
{
context.CloseActivity();
}
return(!childrenActive);
}
protected internal override sealed ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
executionContext.CloseActivity();
string suspendReason = this.Error;
executionContext.SuspendWorkflowInstance(suspendReason);
return ActivityExecutionStatus.Closed;
}
protected internal override sealed ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
executionContext.CloseActivity();
string terminateReason = this.Error;
executionContext.TerminateWorkflowInstance(new WorkflowTerminatedException(terminateReason));
return ActivityExecutionStatus.Closed;
}
protected override void OnWorkflowChangesCompleted(ActivityExecutionContext executionContext)
{
base.OnWorkflowChangesCompleted(executionContext);
if (this.activeBranchRemoved)
{
executionContext.CloseActivity();
}
this.activeBranchRemoved = false;
}
// When a child activity is closed, it's removed from the execution context,
// and the execution proceed to the next iteration.
private void OnChildClose(Object sender, ActivityExecutionStatusChangedEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("OnChildClose parameter 'e' is null.");
}
if (sender == null)
{
throw new ArgumentNullException("OnChildClose parameter 'sender' is null.");
}
ActivityExecutionContext context = sender as ActivityExecutionContext;
if (context == null)
{
throw new ArgumentException("OnChildClose parameter 'sender' is not ActivityExecutionContext.");
}
ForEach foreachActivity = context.Activity as ForEach;
if (foreachActivity == null)
{
throw new ArgumentException("OnChildClose parameter 'sender' does not contain a 'ForEach' activity.");
}
// Remove the event handler first.
e.Activity.Closed -= this.OnChildClose;
// Then remove the child activity from the execution context.
context.ExecutionContextManager.CompleteExecutionContext(context.ExecutionContextManager.GetExecutionContext(e.Activity));
// Move on to the next iteration.
if (this.ExecutionStatus == ActivityExecutionStatus.Canceling)
{
context.CloseActivity();
}
else if (this.ExecutionStatus == ActivityExecutionStatus.Executing)
{
if (!ExecuteNext(context))
{
context.CloseActivity();
}
}
}
private void HandleExternalEvent(Object sender, QueueEventArgs args)
{
ThreadMonitor.WriteToConsole(Thread.CurrentThread, "WaitForMessageActivity", "WaitForMessageActivity: Processed External Event");
object data = this.workflowQueue.Dequeue();
ActivityExecutionContext context = sender as ActivityExecutionContext;
context.CloseActivity();
}
void IActivityEventListener <QueueEventArgs> .OnEvent(object sender, QueueEventArgs e)
{
ActivityExecutionContext context = (ActivityExecutionContext)sender;
WebServiceInputActivity activity = context.Activity as WebServiceInputActivity;
if ((activity.ExecutionStatus == ActivityExecutionStatus.Executing) && (this.ExecuteForActivity(context, activity.InterfaceType, activity.MethodName) == ActivityExecutionStatus.Closed))
{
this.UnsubscribeForActivity(context);
context.CloseActivity();
}
}
public static void OnWorkflowChangesCompleted(CompositeActivity activity, ActivityExecutionContext executionContext)
{
string str = activity.GetValue(ActiveChildQualifiedNameProperty) as string;
bool flag = (bool) activity.GetValue(ActiveChildRemovedProperty);
if (((str != null) && flag) && (((activity.ExecutionStatus == ActivityExecutionStatus.Canceling) || (activity.ExecutionStatus == ActivityExecutionStatus.Faulting)) || ((activity.ExecutionStatus == ActivityExecutionStatus.Executing) && !TryScheduleNextChild(activity, executionContext))))
{
activity.RemoveProperty(ActiveChildQualifiedNameProperty);
executionContext.CloseActivity();
}
activity.RemoveProperty(ActiveChildRemovedProperty);
}
protected override void OnWorkflowChangesCompleted(ActivityExecutionContext executionContext)
{
if ((base.GetValue(ActiveChildQualifiedNameProperty) is string) && this.activeChildRemovedInDynamicUpdate)
{
if ((base.ExecutionStatus == ActivityExecutionStatus.Canceling) || ((base.ExecutionStatus == ActivityExecutionStatus.Faulting) && ((bool)base.GetValue(SequenceFaultingProperty))))
{
if (base.ExecutionStatus == ActivityExecutionStatus.Faulting)
{
base.RemoveProperty(SequenceFaultingProperty);
}
base.RemoveProperty(ActiveChildQualifiedNameProperty);
executionContext.CloseActivity();
}
else if ((base.ExecutionStatus == ActivityExecutionStatus.Executing) && !this.TryScheduleNextChild(executionContext))
{
this.OnSequenceComplete(executionContext);
executionContext.CloseActivity();
}
}
this.activeChildRemovedInDynamicUpdate = false;
base.OnWorkflowChangesCompleted(executionContext);
}
private void HandleChildActivityClosed(object sender, ActivityExecutionStatusChangedEventArgs eventArgs)
{
ActivityExecutionContext context = sender as ActivityExecutionContext;
if (context == null)
{
throw new ArgumentException(SR.Error_SenderMustBeActivityExecutionContext, "sender");
}
if (eventArgs == null)
{
throw new ArgumentNullException("eventArgs");
}
Activity childActivity = eventArgs.Activity;
StateActivity activity = (StateActivity)context.Activity;
GetExecutionState(context).SchedulerBusy = false;
CleanupChildAtClosure(context, childActivity);
switch (activity.ExecutionStatus)
{
case ActivityExecutionStatus.Executing:
if (!(childActivity is EventDrivenActivity))
{
StateInitializationActivity stateInitialization = childActivity as StateInitializationActivity;
if (stateInitialization != null)
{
HandleStateInitializationCompleted(context, stateInitialization);
return;
}
if (childActivity is StateFinalizationActivity)
{
HandleStateFinalizationCompleted(context);
return;
}
if (childActivity is StateActivity)
{
HandleSubStateCompleted(context);
return;
}
InvalidChildActivity(activity);
return;
}
HandleEventDrivenCompleted(context);
return;
case ActivityExecutionStatus.Canceling:
case ActivityExecutionStatus.Faulting:
context.CloseActivity();
return;
}
throw new InvalidOperationException(SR.GetInvalidActivityStatus(context.Activity));
}
private void OnUnsubscribeAndClose(object sender, EventArgs args)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (args == null)
{
throw new ArgumentNullException("args");
}
ActivityExecutionContext context = (ActivityExecutionContext)sender;
if (context == null)
{
throw new ArgumentException("sender");
}
EventHandlersActivity handlers = context.Activity as EventHandlersActivity;
if (context.Activity.ExecutionStatus != ActivityExecutionStatus.Executing)
{
return;
}
Debug.Assert(!handlers.IsScopeCompleted, "Only notified of scope body completion once");
handlers.IsScopeCompleted = true;
ActivityExecutionContextManager contextManager = context.ExecutionContextManager;
bool readyToClose = true;
for (int i = 0; i < handlers.EnabledActivities.Count; ++i)
{
EventDrivenActivity evtDriven = handlers.EnabledActivities[i] as EventDrivenActivity;
EventHandlerEventActivitySubscriber eventSubscriber = handlers.ActivityState[i];
evtDriven.EventActivity.Unsubscribe(context, eventSubscriber);
if (contextManager.GetExecutionContext(evtDriven) != null || handlers.ActivityState[i].PendingExecutionCount != 0)
{
readyToClose = false;
}
}
if (readyToClose)
{
handlers.ActivityState = null;
context.CloseActivity();
}
}
internal bool Cleanup(ConditionedActivityGroup cag, ActivityExecutionContext context)
{
ConditionedActivityGroupStateInfo cAGState = cag.CAGState;
cAGState.Completed = true;
bool flag = false;
Dictionary <string, CAGChildStats> childrenStats = cAGState.ChildrenStats;
foreach (Activity activity in cag.EnabledActivities)
{
if (childrenStats[activity.QualifiedName].State == CAGChildState.Pending)
{
childrenStats[activity.QualifiedName].State = CAGChildState.Idle;
}
ActivityExecutionContext context2 = GetChildExecutionContext(context, activity, false);
if (context2 != null)
{
Activity runtimeInitializedActivity = this.GetRuntimeInitializedActivity(context, activity);
switch (runtimeInitializedActivity.ExecutionStatus)
{
case ActivityExecutionStatus.Executing:
{
context2.CancelActivity(runtimeInitializedActivity);
flag = true;
continue;
}
case ActivityExecutionStatus.Canceling:
case ActivityExecutionStatus.Faulting:
{
flag = true;
continue;
}
case ActivityExecutionStatus.Closed:
{
this.CleanupChildAtClosure(context, runtimeInitializedActivity);
continue;
}
}
activity.UnregisterForStatusChange(Activity.ClosedEvent, this);
}
}
if (!flag)
{
context.CloseActivity();
}
return(!flag);
}
protected override void OnWorkflowChangesCompleted(ActivityExecutionContext executionContext)
{
base.OnWorkflowChangesCompleted(executionContext);
if (base.ExecutionStatus == ActivityExecutionStatus.Executing)
{
if (this.bodyActivityRemovedInDynamicUpdate)
{
if ((this.EventHandlersActivity == null) || (this.EventHandlersActivity.ExecutionStatus == ActivityExecutionStatus.Closed))
{
executionContext.CloseActivity();
}
else if (this.EventHandlersActivity.ExecutionStatus == ActivityExecutionStatus.Executing)
{
this.EventHandlersActivity.UnsubscribeAndClose();
}
}
if (this.eventHandlersRemovedInDynamicUpdate && ((this.BodyActivity == null) || (this.BodyActivity.ExecutionStatus == ActivityExecutionStatus.Closed)))
{
executionContext.CloseActivity();
}
}
this.eventHandlersRemovedInDynamicUpdate = false;
this.bodyActivityRemovedInDynamicUpdate = false;
}
void IActivityEventListener <QueueEventArgs> .OnEvent(object sender, QueueEventArgs e)
{
Console.WriteLine("OnQueueItemAvailable #1");
// If activity is not scheduled for execution, do nothing
if (this.ExecutionStatus == ActivityExecutionStatus.Executing)
{
Console.WriteLine("OnQueueItemAvailable #2");
ActivityExecutionContext context = sender as ActivityExecutionContext;
if (this.ProcessQueueItem(context))
{
context.CloseActivity();
}
}
}
void IActivityEventListener <QueueEventArgs> .OnEvent(object sender, QueueEventArgs e)
{
ActivityExecutionContext context = (ActivityExecutionContext)sender;
HandleExternalEventActivity activity = context.Activity as HandleExternalEventActivity;
if (activity.ExecutionStatus == ActivityExecutionStatus.Executing)
{
object[] args = null;
if (InboundActivityHelper.ExecuteForActivity(this, context, this.InterfaceType, this.EventName, out args) == ActivityExecutionStatus.Closed)
{
this.RaiseEvent(args);
this.UnsubscribeForActivity(context);
context.CloseActivity();
}
}
}
private static void Complete(ActivityExecutionContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
StateActivity activity = (StateActivity)context.Activity;
StateMachineExecutionState executionState = GetExecutionState(activity);
if (StateMachineHelpers.IsLeafState(activity))
{
executionState.PreviousStateName = activity.Name;
}
CleanUp(context);
executionState.SchedulerBusy = true;
context.CloseActivity();
}
void IActivityEventListener <ActivityExecutionStatusChangedEventArgs> .OnEvent(object sender, ActivityExecutionStatusChangedEventArgs e)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (e == null)
{
throw new ArgumentNullException("e");
}
ActivityExecutionContext context = sender as ActivityExecutionContext;
if (context == null)
{
throw new ArgumentException(SR.Error_SenderMustBeActivityExecutionContext, "sender");
}
context.CloseActivity();
}
void IActivityEventListener <ActivityExecutionStatusChangedEventArgs> .OnEvent(object sender, ActivityExecutionStatusChangedEventArgs e)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (e == null)
{
throw new ArgumentNullException("e");
}
ActivityExecutionContext context = sender as ActivityExecutionContext;
if (context == null)
{
throw new ArgumentException("Sender must be ActivityExecutionContext", "sender");
}
BlockActivity activity = context.Activity as BlockActivity;
e.Activity.UnregisterForStatusChange(Activity.ClosedEvent, this);
ActivityExecutionStatus result = ActivityExecutionStatus.Initialized;
switch (this.Type)
{
case BlockActivityType.All:
result = ProcessClosedEvenForAllActivities(context, e.Activity);
break;
case BlockActivityType.Any:
result = ProcessClosedEvenForAnyActivities(context, e.Activity);
break;
default:
throw new ArgumentOutOfRangeException("Unknown Type");
}
if (result == ActivityExecutionStatus.Closed)
{
context.CloseActivity();
}
}
void IActivityEventListener <QueueEventArgs> .OnEvent(object sender, QueueEventArgs e)
{
ActivityExecutionContext context = (ActivityExecutionContext)sender;
WebServiceInputActivity activity = context.Activity as WebServiceInputActivity;
// if activity is not scheduled for execution do not dequeue the message
if (activity.ExecutionStatus != ActivityExecutionStatus.Executing)
{
return;
}
ActivityExecutionStatus status = ExecuteForActivity(context, activity.InterfaceType, activity.MethodName);
if (status == ActivityExecutionStatus.Closed)
{
UnsubscribeForActivity(context);
context.CloseActivity();
}
}
public void OnEvent(object sender, ActivityExecutionStatusChangedEventArgs e)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (e == null)
{
throw new ArgumentNullException("e");
}
ActivityExecutionContext __context = sender as ActivityExecutionContext;
if (__context == null)
{
// TODO : Get the exception message from the System.Workflow.Activities.StringResources.resources resource file.
throw new ArgumentException("The sender parameter must be of type ActivityExecutionContext.");
}
__context.CloseActivity();
}
// This function executes the ForEach activity. It advances the current index of the collection.
// If the end of the collection is reached, return false. Otherwise, it executes any child activity
// and return true.
private bool ExecuteNext(ActivityExecutionContext context)
{
// First, move to the next position.
if (!this.Enumerator.MoveNext())
return false;
// Fire the Iterating event.
base.RaiseEvent(IteratingEvent, this, EventArgs.Empty);
// Execute the child activity.
if (this.EnabledActivities.Count > 0)
{
// Add the child activity to the execution context and setup the event handler to
// listen to the child Close event.
// A new instance of the child activity is created for each iteration.
ActivityExecutionContext innerContext =
context.ExecutionContextManager.CreateExecutionContext(this.EnabledActivities[0]);
innerContext.Activity.Closed += this.OnChildClose;
// Execute the child activity again.
innerContext.ExecuteActivity(innerContext.Activity);
}
else
{
// an empty foreach loop.
// If the ForEach activity is still executing, then execute the next one.
if (this.ExecutionStatus == ActivityExecutionStatus.Executing)
{
if (!ExecuteNext(context))
context.CloseActivity();
}
}
return true;
}
public static void OnWorkflowChangesCompleted(CompositeActivity activity, ActivityExecutionContext executionContext)
{
String activeChildQualifiedName = activity.GetValue(ActiveChildQualifiedNameProperty) as String;
bool activeChildRemovedInDynamicUpdate = (bool)activity.GetValue(ActiveChildRemovedProperty);
if (activeChildQualifiedName != null && activeChildRemovedInDynamicUpdate)
{ //We have our active child removed.
if (activity.ExecutionStatus == ActivityExecutionStatus.Canceling ||
activity.ExecutionStatus == ActivityExecutionStatus.Faulting ||
activity.ExecutionStatus == ActivityExecutionStatus.Executing && !TryScheduleNextChild(activity, executionContext))
{
activity.RemoveProperty(ActiveChildQualifiedNameProperty);
executionContext.CloseActivity();
}
}
activity.RemoveProperty(ActiveChildRemovedProperty);
}
public override bool Run(IWorkflowCoreRuntime workflowCoreRuntime)
{
// get state reader
Activity contextActivity = workflowCoreRuntime.GetContextActivityForId(this.ContextId);
Activity activity = contextActivity.GetActivityByName(this.activityName);
using (workflowCoreRuntime.SetCurrentActivity(activity))
{
using (ActivityExecutionContext activityExecutionContext = new ActivityExecutionContext(activity))
{
ActivityExecutor activityExecutor = ActivityExecutors.GetActivityExecutor(activity);
switch (this.operation)
{
case ActivityOperationType.Execute:
if (activity.ExecutionStatus == ActivityExecutionStatus.Executing)
{
try
{
workflowCoreRuntime.RaiseActivityExecuting(activity);
ActivityExecutionStatus newStatus = activityExecutor.Execute(activity, activityExecutionContext);
if (newStatus == ActivityExecutionStatus.Closed)
activityExecutionContext.CloseActivity();
else if (newStatus != ActivityExecutionStatus.Executing)
throw new InvalidOperationException(SR.GetString(SR.InvalidExecutionStatus, activity.QualifiedName, newStatus.ToString(), ActivityExecutionStatus.Executing.ToString()));
}
catch (Exception e)
{
System.Workflow.Runtime.WorkflowTrace.Runtime.TraceEvent(TraceEventType.Error, 1, "Execute of Activity {0} threw {1}", activity.QualifiedName, e.ToString());
throw;
}
}
break;
case ActivityOperationType.Cancel:
if (activity.ExecutionStatus == ActivityExecutionStatus.Canceling)
{
try
{
ActivityExecutionStatus newStatus = activityExecutor.Cancel(activity, activityExecutionContext);
if (newStatus == ActivityExecutionStatus.Closed)
activityExecutionContext.CloseActivity();
else if (newStatus != ActivityExecutionStatus.Canceling)
throw new InvalidOperationException(SR.GetString(SR.InvalidExecutionStatus, activity.QualifiedName, newStatus.ToString(), ActivityExecutionStatus.Canceling.ToString()));
}
catch (Exception e)
{
System.Workflow.Runtime.WorkflowTrace.Runtime.TraceEvent(TraceEventType.Error, 1, "Cancel of Activity {0} threw {1}", activity.QualifiedName, e.ToString());
throw;
}
}
break;
case ActivityOperationType.Compensate:
if (activity.ExecutionStatus == ActivityExecutionStatus.Compensating)
{
try
{
ActivityExecutionStatus newStatus = activityExecutor.Compensate(activity, activityExecutionContext);
if (newStatus == ActivityExecutionStatus.Closed)
activityExecutionContext.CloseActivity();
else if (newStatus != ActivityExecutionStatus.Compensating)
throw new InvalidOperationException(SR.GetString(SR.InvalidExecutionStatus, activity.QualifiedName, newStatus.ToString(), ActivityExecutionStatus.Compensating.ToString()));
}
catch (Exception e)
{
System.Workflow.Runtime.WorkflowTrace.Runtime.TraceEvent(TraceEventType.Error, 1, "Compensate of Activity {0} threw {1}", activity.QualifiedName, e.ToString());
throw;
}
}
break;
case ActivityOperationType.HandleFault:
if (activity.ExecutionStatus == ActivityExecutionStatus.Faulting)
{
try
{
ActivityExecutionStatus newStatus = activityExecutor.HandleFault(activity, activityExecutionContext, this.exceptionToDeliver);
if (newStatus == ActivityExecutionStatus.Closed)
activityExecutionContext.CloseActivity();
else if (newStatus != ActivityExecutionStatus.Faulting)
throw new InvalidOperationException(SR.GetString(SR.InvalidExecutionStatus, activity.QualifiedName, newStatus.ToString(), ActivityExecutionStatus.Faulting.ToString()));
}
catch (Exception e)
{
System.Workflow.Runtime.WorkflowTrace.Runtime.TraceEvent(TraceEventType.Error, 1, "Compensate of Activity {0} threw {1}", activity.QualifiedName, e.ToString());
throw;
}
}
break;
}
}
}
return true;
}
public override bool Run(IWorkflowCoreRuntime workflowCoreRuntime)
{
Activity activityByName = workflowCoreRuntime.GetContextActivityForId(base.ContextId).GetActivityByName(this.activityName);
using (workflowCoreRuntime.SetCurrentActivity(activityByName))
{
using (ActivityExecutionContext context = new ActivityExecutionContext(activityByName))
{
ActivityExecutor activityExecutor = ActivityExecutors.GetActivityExecutor(activityByName);
switch (this.operation)
{
case ActivityOperationType.Execute:
if (activityByName.ExecutionStatus != ActivityExecutionStatus.Executing)
{
goto Label_0309;
}
try
{
workflowCoreRuntime.RaiseActivityExecuting(activityByName);
ActivityExecutionStatus status = activityExecutor.Execute(activityByName, context);
if (status == ActivityExecutionStatus.Closed)
{
context.CloseActivity();
}
else if (status != ActivityExecutionStatus.Executing)
{
throw new InvalidOperationException(SR.GetString("InvalidExecutionStatus", new object[] { activityByName.QualifiedName, status.ToString(), ActivityExecutionStatus.Executing.ToString() }));
}
goto Label_0309;
}
catch (Exception exception)
{
WorkflowTrace.Runtime.TraceEvent(TraceEventType.Error, 1, "Execute of Activity {0} threw {1}", new object[] { activityByName.QualifiedName, exception.ToString() });
throw;
}
break;
case ActivityOperationType.Cancel:
break;
case ActivityOperationType.Compensate:
goto Label_01A4;
case ActivityOperationType.HandleFault:
goto Label_0248;
default:
goto Label_0309;
}
if (activityByName.ExecutionStatus != ActivityExecutionStatus.Canceling)
{
goto Label_0309;
}
try
{
ActivityExecutionStatus status2 = activityExecutor.Cancel(activityByName, context);
if (status2 == ActivityExecutionStatus.Closed)
{
context.CloseActivity();
}
else if (status2 != ActivityExecutionStatus.Canceling)
{
throw new InvalidOperationException(SR.GetString("InvalidExecutionStatus", new object[] { activityByName.QualifiedName, status2.ToString(), ActivityExecutionStatus.Canceling.ToString() }));
}
goto Label_0309;
}
catch (Exception exception2)
{
WorkflowTrace.Runtime.TraceEvent(TraceEventType.Error, 1, "Cancel of Activity {0} threw {1}", new object[] { activityByName.QualifiedName, exception2.ToString() });
throw;
}
Label_01A4:
if (activityByName.ExecutionStatus != ActivityExecutionStatus.Compensating)
{
goto Label_0309;
}
try
{
ActivityExecutionStatus status3 = activityExecutor.Compensate(activityByName, context);
if (status3 == ActivityExecutionStatus.Closed)
{
context.CloseActivity();
}
else if (status3 != ActivityExecutionStatus.Compensating)
{
throw new InvalidOperationException(SR.GetString("InvalidExecutionStatus", new object[] { activityByName.QualifiedName, status3.ToString(), ActivityExecutionStatus.Compensating.ToString() }));
}
goto Label_0309;
}
catch (Exception exception3)
{
WorkflowTrace.Runtime.TraceEvent(TraceEventType.Error, 1, "Compensate of Activity {0} threw {1}", new object[] { activityByName.QualifiedName, exception3.ToString() });
throw;
}
Label_0248:
if (activityByName.ExecutionStatus == ActivityExecutionStatus.Faulting)
{
try
{
ActivityExecutionStatus status4 = activityExecutor.HandleFault(activityByName, context, this.exceptionToDeliver);
if (status4 == ActivityExecutionStatus.Closed)
{
context.CloseActivity();
}
else if (status4 != ActivityExecutionStatus.Faulting)
{
throw new InvalidOperationException(SR.GetString("InvalidExecutionStatus", new object[] { activityByName.QualifiedName, status4.ToString(), ActivityExecutionStatus.Faulting.ToString() }));
}
goto Label_0309;
}
catch (Exception exception4)
{
WorkflowTrace.Runtime.TraceEvent(TraceEventType.Error, 1, "Compensate of Activity {0} threw {1}", new object[] { activityByName.QualifiedName, exception4.ToString() });
throw;
}
}
}
}
Label_0309:
return true;
}
