public void CancelActivity(System.Workflow.ComponentModel.Activity activity)
{
if (this.currentActivity == null)
{
throw new ObjectDisposedException("ActivityExecutionContext");
}
if (activity == null)
{
throw new ArgumentNullException("activity");
}
if (!this.allowSignalsOnCurrentActivity && ((this.currentActivity.WorkflowCoreRuntime.CurrentActivity.ExecutionStatus == ActivityExecutionStatus.Initialized) || (this.currentActivity.WorkflowCoreRuntime.CurrentActivity.ExecutionStatus == ActivityExecutionStatus.Closed)))
{
throw new InvalidOperationException(SR.GetString("Error_InvalidStateToExecuteChild"));
}
if (!this.IsValidChild(activity, false))
{
throw new ArgumentException(SR.GetString("AEC_InvalidActivity"), "activity");
}
if (activity.ExecutionStatus != ActivityExecutionStatus.Executing)
{
throw new InvalidOperationException(SR.GetString("Error_InvalidCancelingState"));
}
try
{
activity.SetStatus(ActivityExecutionStatus.Canceling, false);
}
finally
{
this.currentActivity.WorkflowCoreRuntime.ScheduleItem(new ActivityExecutorOperation(activity, ActivityOperationType.Cancel, this.ContextId), IsInAtomicTransaction(activity), false, false);
}
}
internal void CompensateActivity(System.Workflow.ComponentModel.Activity activity)
{
if (this.currentActivity == null)
{
throw new ObjectDisposedException("ActivityExecutionContext");
}
if (activity == null)
{
throw new ArgumentNullException("activity");
}
if (!this.IsValidNestedChild(activity))
{
throw new ArgumentException(SR.GetString("AEC_InvalidNestedActivity"), "activity");
}
if (activity.ExecutionStatus != ActivityExecutionStatus.Closed)
{
throw new InvalidOperationException(SR.GetString("Error_InvalidCompensatingState"));
}
try
{
activity.SetStatus(ActivityExecutionStatus.Compensating, false);
}
finally
{
this.currentActivity.WorkflowCoreRuntime.ScheduleItem(new ActivityExecutorOperation(activity, ActivityOperationType.Compensate, this.ContextId), IsInAtomicTransaction(activity), false, false);
}
}