protected override ActivityExecutionStatus Cancel(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
Activity bodyActivity = this.BodyActivity;
System.Workflow.Activities.EventHandlersActivity eventHandlersActivity = this.EventHandlersActivity;
if ((bodyActivity == null) && (eventHandlersActivity == null))
{
return(ActivityExecutionStatus.Closed);
}
bool flag = false;
if ((bodyActivity != null) && (bodyActivity.ExecutionStatus == ActivityExecutionStatus.Executing))
{
executionContext.CancelActivity(bodyActivity);
flag = true;
}
if ((eventHandlersActivity != null) && (eventHandlersActivity.ExecutionStatus == ActivityExecutionStatus.Executing))
{
executionContext.CancelActivity(eventHandlersActivity);
flag = true;
}
if ((!flag && ((bodyActivity == null) || ((bodyActivity.ExecutionStatus != ActivityExecutionStatus.Faulting) && (bodyActivity.ExecutionStatus != ActivityExecutionStatus.Canceling)))) && ((eventHandlersActivity == null) || ((eventHandlersActivity.ExecutionStatus != ActivityExecutionStatus.Faulting) && (eventHandlersActivity.ExecutionStatus != ActivityExecutionStatus.Canceling))))
{
return(ActivityExecutionStatus.Closed);
}
return(base.ExecutionStatus);
}
/// <summary>
/// Called by the workflow runtime to cancel execution of an activity that is currently executing.
/// </summary>
/// <param name="executionContext">The <see cref="T:System.Workflow.ComponentModel.ActivityExecutionContext"/> containing the instance to cancel.</param>
/// <returns>
/// The status at the end of the operation, which determines whether the activity remains in the canceling state, or transitions to the closed state.
/// </returns>
protected override ActivityExecutionStatus Cancel(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
bool flag = true;
for (int i = 0; i < base.EnabledActivities.Count; i++)
{
Activity activity = base.EnabledActivities[i];
if (activity.ExecutionStatus == ActivityExecutionStatus.Executing)
{
executionContext.CancelActivity(activity);
flag = false;
}
else if ((activity.ExecutionStatus == ActivityExecutionStatus.Canceling) || (activity.ExecutionStatus == ActivityExecutionStatus.Faulting))
{
flag = false;
}
}
if (!flag)
{
return(ActivityExecutionStatus.Canceling);
}
return(ActivityExecutionStatus.Closed);
}
protected override ActivityExecutionStatus Cancel(ActivityExecutionContext executionContext)
{
bool flag = true;
for (int i = 0; i < base.EnabledActivities.Count; i++)
{
Activity activity = base.EnabledActivities[i];
if (activity.ExecutionStatus == ActivityExecutionStatus.Executing)
{
flag = false;
executionContext.CancelActivity(activity);
break;
}
if ((activity.ExecutionStatus == ActivityExecutionStatus.Canceling) || (activity.ExecutionStatus == ActivityExecutionStatus.Faulting))
{
flag = false;
break;
}
}
if (!flag)
{
return(ActivityExecutionStatus.Canceling);
}
return(ActivityExecutionStatus.Closed);
}
protected override ActivityExecutionStatus Cancel(ActivityExecutionContext executionContext)
{
if (null == executionContext)
{
throw new ArgumentNullException("executionContext");
}
bool cancelled = true;
// Check all children to ensure that they are cancelled
for (int childNum = 0; childNum < this.EnabledActivities.Count; childNum++)
{
Activity child = this.EnabledActivities[childNum];
if (child.ExecutionStatus == ActivityExecutionStatus.Executing)
{
executionContext.CancelActivity(child);
cancelled = false;
}
else if ((child.ExecutionStatus == ActivityExecutionStatus.Canceling) || (child.ExecutionStatus == ActivityExecutionStatus.Faulting))
{
cancelled = false;
}
}
return(cancelled ? ActivityExecutionStatus.Canceling : ActivityExecutionStatus.Closed);
}
protected override ActivityExecutionStatus Cancel(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
for (int i = base.EnabledActivities.Count - 1; i >= 0; i--)
{
Activity activity = base.EnabledActivities[i];
if (activity.ExecutionStatus == ActivityExecutionStatus.Executing)
{
executionContext.CancelActivity(activity);
return(ActivityExecutionStatus.Canceling);
}
if ((activity.ExecutionStatus == ActivityExecutionStatus.Canceling) || (activity.ExecutionStatus == ActivityExecutionStatus.Faulting))
{
return(ActivityExecutionStatus.Canceling);
}
if (activity.ExecutionStatus == ActivityExecutionStatus.Closed)
{
base.RemoveProperty(ActiveChildQualifiedNameProperty);
return(ActivityExecutionStatus.Closed);
}
}
return(ActivityExecutionStatus.Closed);
}
protected override ActivityExecutionStatus Cancel(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
bool canCloseNow = true;
for (int i = 0; i < this.EnabledActivities.Count; ++i)
{
Activity childActivity = this.EnabledActivities[i];
if (childActivity.ExecutionStatus == ActivityExecutionStatus.Executing)
{
executionContext.CancelActivity(childActivity);
canCloseNow = false;
}
else if (childActivity.ExecutionStatus == ActivityExecutionStatus.Canceling || childActivity.ExecutionStatus == ActivityExecutionStatus.Faulting)
{
canCloseNow = false;
}
}
return(canCloseNow ? ActivityExecutionStatus.Closed : ActivityExecutionStatus.Canceling);
}
private bool TryCancelChild(ActivityExecutionContext outerProvider, ChildExecutionStateInfo childStateInfo)
{
bool flag = false;
ActivityExecutionContextManager executionContextManager = outerProvider.ExecutionContextManager;
ActivityExecutionContext executionContext = this.GetExecutionContext(executionContextManager, childStateInfo.RunId);
if (executionContext != null)
{
switch (executionContext.Activity.ExecutionStatus)
{
case ActivityExecutionStatus.Executing:
executionContext.CancelActivity(executionContext.Activity);
return(true);
case ActivityExecutionStatus.Canceling:
case ActivityExecutionStatus.Faulting:
return(true);
case ActivityExecutionStatus.Closed:
case ActivityExecutionStatus.Compensating:
return(flag);
}
return(flag);
}
if ((base.ExecutionStatus != ActivityExecutionStatus.Executing) && (childStateInfo.Status == ChildRunStatus.PendingExecute))
{
childStateInfo.Status = ChildRunStatus.Completed;
}
return(flag);
}
/// <summary>
/// Cancel the activity. Loop through all enabled activities, and for any that are currently
/// executing ask them to cancel.
/// </summary>
/// <param name="executionContext"></param>
/// <returns>The status of the activity</returns>
protected override ActivityExecutionStatus Cancel(ActivityExecutionContext executionContext)
{
if (null == executionContext)
{
throw new ArgumentNullException("executionContext");
}
bool completed = true;
for (int pos = 0; pos < base.EnabledActivities.Count; pos++)
{
Activity act = base.EnabledActivities[pos];
if (act.ExecutionStatus == ActivityExecutionStatus.Executing)
{
executionContext.CancelActivity(act);
completed = false;
}
else if ((act.ExecutionStatus == ActivityExecutionStatus.Canceling) || (act.ExecutionStatus == ActivityExecutionStatus.Faulting))
{
completed = false;
}
}
if (!completed)
{
return(ActivityExecutionStatus.Canceling);
}
else
{
return(ActivityExecutionStatus.Closed);
}
}
protected override ActivityExecutionStatus Cancel(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
if (this.EnabledActivities.Count == 0)
{
return(ActivityExecutionStatus.Closed);
}
Activity childActivity = this.EnabledActivities[0];
ActivityExecutionContextManager contextManager = executionContext.ExecutionContextManager;
ActivityExecutionContext childContext = contextManager.GetExecutionContext(childActivity);
if (childContext != null)
{
if (childContext.Activity.ExecutionStatus == ActivityExecutionStatus.Executing)
{
childContext.CancelActivity(childContext.Activity);
}
return(ActivityExecutionStatus.Canceling);
}
return(ActivityExecutionStatus.Closed);
}
/// <summary>
/// This override function cancels the execution of the child activity if cancel is called
/// on the ForEach activity itself.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
protected override ActivityExecutionStatus Cancel(ActivityExecutionContext context)
{
if (context == null)
{
throw new ArgumentNullException("activity execution context is null.");
}
// If there is no child activity, the ForEach activity is closed.
if (this.EnabledActivities.Count == 0)
{
return(ActivityExecutionStatus.Closed);
}
Activity childActivity = this.EnabledActivities[0];
ActivityExecutionContext childContext =
context.ExecutionContextManager.GetExecutionContext(childActivity);
if (childContext != null)
{
if (childContext.Activity.ExecutionStatus == ActivityExecutionStatus.Executing)
{
// Cancel the executing child activity.
childContext.CancelActivity(childContext.Activity);
}
return(ActivityExecutionStatus.Canceling);
}
return(ActivityExecutionStatus.Closed);
}
public static ActivityExecutionStatus Cancel(CompositeActivity activity, ActivityExecutionContext executionContext)
{
for (int i = (activity.EnabledActivities.Count - 1); i >= 0; i--)
{
Activity childActivity = activity.EnabledActivities[i];
if (childActivity.ExecutionStatus == ActivityExecutionStatus.Executing)
{
executionContext.CancelActivity(childActivity);
return activity.ExecutionStatus;
}
if (childActivity.ExecutionStatus == ActivityExecutionStatus.Canceling ||
childActivity.ExecutionStatus == ActivityExecutionStatus.Faulting)
{
return activity.ExecutionStatus;
}
if (childActivity.ExecutionStatus == ActivityExecutionStatus.Closed)
{
activity.RemoveProperty(ActiveChildQualifiedNameProperty);
return ActivityExecutionStatus.Closed;
}
}
return ActivityExecutionStatus.Closed;
}
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 override ActivityExecutionStatus Cancel(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
if (this.ActivityState == null)
{
return(ActivityExecutionStatus.Closed);
}
bool scopeCompleted = this.IsScopeCompleted;
bool canCloseNow = true;
for (int i = 0; i < this.EnabledActivities.Count; ++i)
{
EventDrivenActivity childActivity = this.EnabledActivities[i] as EventDrivenActivity;
EventHandlerEventActivitySubscriber eventActivitySubscriber = this.ActivityState[i] as EventHandlerEventActivitySubscriber;
eventActivitySubscriber.PendingExecutionCount = 0;
ActivityExecutionContextManager contextManager = executionContext.ExecutionContextManager;
ActivityExecutionContext childContext = contextManager.GetExecutionContext(childActivity);
if (childContext != null)
{
switch (childContext.Activity.ExecutionStatus)
{
case ActivityExecutionStatus.Canceling:
case ActivityExecutionStatus.Faulting:
canCloseNow = false;
break;
case ActivityExecutionStatus.Executing:
childContext.CancelActivity(childContext.Activity);
canCloseNow = false;
break;
}
}
if (!scopeCompleted) //UnSubscribe from event.
{
childActivity.EventActivity.Unsubscribe(executionContext, eventActivitySubscriber);
}
}
if (canCloseNow)
{
this.ActivityState = null;
return(ActivityExecutionStatus.Closed);
}
else
{
return(this.ExecutionStatus);
}
}
protected override ActivityExecutionStatus Cancel(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
Activity bodyActivity = this.BodyActivity;
EventHandlersActivity eventHandlers = this.EventHandlersActivity;
if (bodyActivity == null && eventHandlers == null)
{
return(ActivityExecutionStatus.Closed);
}
bool cancelScheduled = false;
// check the status of body
if (bodyActivity != null && bodyActivity.ExecutionStatus == ActivityExecutionStatus.Executing)
{
executionContext.CancelActivity(bodyActivity);
cancelScheduled = true;
}
//Check the status of EventHandlers
if (eventHandlers != null && eventHandlers.ExecutionStatus == ActivityExecutionStatus.Executing)
{
executionContext.CancelActivity(eventHandlers);
cancelScheduled = true;
}
if (cancelScheduled ||
(bodyActivity != null && (bodyActivity.ExecutionStatus == ActivityExecutionStatus.Faulting ||
bodyActivity.ExecutionStatus == ActivityExecutionStatus.Canceling)) ||
(eventHandlers != null && (eventHandlers.ExecutionStatus == ActivityExecutionStatus.Faulting ||
eventHandlers.ExecutionStatus == ActivityExecutionStatus.Canceling))
)
{
return(this.ExecutionStatus);
}
return(ActivityExecutionStatus.Closed);
}
protected override ActivityExecutionStatus Cancel(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
if (this.ActivityState == null)
{
return(ActivityExecutionStatus.Closed);
}
try
{
if (this.IsListenTrigerred)
{
//We need to cancel the active running branch
for (int i = 0; i < this.EnabledActivities.Count; ++i)
{
EventDrivenActivity eventDriven = this.EnabledActivities[i] as EventDrivenActivity;
if (eventDriven.ExecutionStatus == ActivityExecutionStatus.Executing)
{
executionContext.CancelActivity(eventDriven);
return(ActivityExecutionStatus.Canceling);
} //If the branch is faulting let it close.
else if (eventDriven.ExecutionStatus == ActivityExecutionStatus.Faulting)
{
return(ActivityExecutionStatus.Canceling);
}
}
}
else
{
//Everything is passive. Lets unsubscribe all and close.
for (int i = 0; i < this.ActivityState.Count; ++i)
{
EventDrivenActivity eventDrivenChild = this.EnabledActivities[i] as EventDrivenActivity;
ListenEventActivitySubscriber eventActivitySubscriber = this.ActivityState[i];
eventDrivenChild.EventActivity.Unsubscribe(executionContext, eventActivitySubscriber);
}
}
}
finally
{
// We null out ActivityState in the finally block to ensure that if
// eventDrivenChild.EventActivity.Unsubscribe above throws then the
// Cancel method does not get called repeatedly.
this.ActivityState = null;
}
return(ActivityExecutionStatus.Closed);
}
public ActivityExecutionStatus Cancel()
{
using (ActivityExecutionContext context = new ActivityExecutionContext(this.rootActivity, true))
{
if (this.rootActivity.ExecutionStatus == ActivityExecutionStatus.Executing)
{
context.CancelActivity(this.rootActivity);
}
}
this.scheduler.Run();
return(this.TranslateExecutionStatus());
}
/// <summary>
/// Processes the closed even for any activities.
/// </summary>
/// <param name="executionContext">The execution context.</param>
/// <param name="closedActivity">The closed activity.</param>
/// <returns></returns>
private ActivityExecutionStatus ProcessClosedEvenForAnyActivities(ActivityExecutionContext executionContext, Activity closedActivity)
{
for (int i = 0; i < base.EnabledActivities.Count; i++)
{
Activity activity = base.EnabledActivities[i];
if (base.EnabledActivities[i].ExecutionStatus == ActivityExecutionStatus.Executing)
{
executionContext.CancelActivity(activity);
}
}
return(ActivityExecutionStatus.Closed);
}
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 ActivityExecutionStatus Cancel(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
if (this.ActivityState == null)
{
return(ActivityExecutionStatus.Closed);
}
bool isScopeCompleted = this.IsScopeCompleted;
bool flag2 = true;
for (int i = 0; i < base.EnabledActivities.Count; i++)
{
EventDrivenActivity activity = base.EnabledActivities[i] as EventDrivenActivity;
EventHandlerEventActivitySubscriber parentEventHandler = this.ActivityState[i];
parentEventHandler.PendingExecutionCount = 0;
ActivityExecutionContext context = executionContext.ExecutionContextManager.GetExecutionContext(activity);
if (context != null)
{
switch (context.Activity.ExecutionStatus)
{
case ActivityExecutionStatus.Executing:
context.CancelActivity(context.Activity);
flag2 = false;
break;
case ActivityExecutionStatus.Canceling:
case ActivityExecutionStatus.Faulting:
flag2 = false;
break;
}
}
if (!isScopeCompleted)
{
activity.EventActivity.Unsubscribe(executionContext, parentEventHandler);
}
}
if (flag2)
{
this.ActivityState = null;
return(ActivityExecutionStatus.Closed);
}
return(base.ExecutionStatus);
}
protected override ActivityExecutionStatus Cancel(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
if (this.ActivityState != null)
{
try
{
if (this.IsListenTrigerred)
{
for (int i = 0; i < base.EnabledActivities.Count; i++)
{
EventDrivenActivity activity = base.EnabledActivities[i] as EventDrivenActivity;
if (activity.ExecutionStatus == ActivityExecutionStatus.Executing)
{
executionContext.CancelActivity(activity);
return(ActivityExecutionStatus.Canceling);
}
if (activity.ExecutionStatus == ActivityExecutionStatus.Faulting)
{
return(ActivityExecutionStatus.Canceling);
}
}
}
else
{
for (int j = 0; j < this.ActivityState.Count; j++)
{
EventDrivenActivity activity2 = base.EnabledActivities[j] as EventDrivenActivity;
ListenEventActivitySubscriber parentEventHandler = this.ActivityState[j];
activity2.EventActivity.Unsubscribe(executionContext, parentEventHandler);
}
}
}
finally
{
this.ActivityState = null;
}
}
return(ActivityExecutionStatus.Closed);
}
bool TryCancelChild(ActivityExecutionContext outerProvider, ChildExecutionStateInfo childStateInfo)
{
// schedule cancellation of the child in the inner execution context
bool fScheduledCancel = false;
// returns true iff scheduled cancel on one execution of the template
// false if execution already closed
// get the execution context for this run
ActivityExecutionContextManager contextManager = outerProvider.ExecutionContextManager;
ActivityExecutionContext innerProvider = GetExecutionContext(contextManager, childStateInfo.RunId);
if (innerProvider != null)
{
switch (innerProvider.Activity.ExecutionStatus)
{
case ActivityExecutionStatus.Executing:
// schedule cancellation on child
innerProvider.CancelActivity(innerProvider.Activity);
fScheduledCancel = true;
break;
case ActivityExecutionStatus.Canceling:
case ActivityExecutionStatus.Faulting:
fScheduledCancel = true;
break;
default:
// do nothing
break;
}
}
else
{
//Finish the run if it is pending for execution.
if (this.ExecutionStatus != ActivityExecutionStatus.Executing && childStateInfo.Status == ChildRunStatus.PendingExecute)
{
childStateInfo.Status = ChildRunStatus.Completed;
}
}
return(fScheduledCancel);
}
protected override ActivityExecutionStatus Cancel(ActivityExecutionContext executionContext)
{
ActivityExecutionStatus __status = ActivityExecutionStatus.Closed;
foreach (IfElseBranchActivityCustom branch in this.EnabledActivities)
{
if (branch.ExecutionStatus == ActivityExecutionStatus.Executing)
{
__status = ActivityExecutionStatus.Canceling;
executionContext.CancelActivity(branch);
break;
}
if ((branch.ExecutionStatus == ActivityExecutionStatus.Canceling) || (branch.ExecutionStatus == ActivityExecutionStatus.Faulting))
{
__status = ActivityExecutionStatus.Canceling;
break;
}
}
return(__status);
}
protected override ActivityExecutionStatus Cancel(ActivityExecutionContext executionContext)
{
bool canCloseNow = true;
for (int i = 0; i < this.EnabledActivities.Count; ++i)
{
Activity childBranch = this.EnabledActivities[i];
if (childBranch.ExecutionStatus == ActivityExecutionStatus.Executing)
{
canCloseNow = false;
executionContext.CancelActivity(childBranch);
break;
}
else if (childBranch.ExecutionStatus == ActivityExecutionStatus.Canceling || childBranch.ExecutionStatus == ActivityExecutionStatus.Faulting)
{
canCloseNow = false;
break;
}
}
return(canCloseNow ? ActivityExecutionStatus.Closed : ActivityExecutionStatus.Canceling);
}
public ActivityExecutionStatus Cancel()
{
using (ActivityExecutionContext activityExecutionContext = new ActivityExecutionContext(this.rootActivity, true))
{
if (this.rootActivity.ExecutionStatus == ActivityExecutionStatus.Executing)
{
activityExecutionContext.CancelActivity(this.rootActivity);
}
}
scheduler.Run();
return TranslateExecutionStatus();
}
