private void OnSecondaryRootScheduled(NativeActivityContext context, Bookmark bookmark, object value)
{
CompensationExtension compensationExtension = context.GetExtension <CompensationExtension>();
Fx.Assert(compensationExtension != null, "CompensationExtension must be valid");
long compensationId = (long)value;
CompensationTokenData compensationToken = compensationExtension.Get(compensationId);
Fx.Assert(compensationToken != null, "CompensationTokenData must be valid");
if (compensationToken.CompensationState == CompensationState.Canceling)
{
Fx.Assert(compensationToken.BookmarkTable[CompensationBookmarkName.Canceled] == null, "Bookmark should not be already initialized in the bookmark table.");
compensationToken.BookmarkTable[CompensationBookmarkName.Canceled] = context.CreateBookmark(new BookmarkCallback(OnCanceledOrCompensated));
compensationExtension.NotifyMessage(context, compensationToken.CompensationId, CompensationBookmarkName.OnCancellation);
}
else if (compensationToken.CompensationState == CompensationState.Compensating)
{
Fx.Assert(compensationToken.BookmarkTable[CompensationBookmarkName.Compensated] == null, "Bookmark should not be already initialized in the bookmark table.");
compensationToken.BookmarkTable[CompensationBookmarkName.Compensated] = context.CreateBookmark(new BookmarkCallback(OnCanceledOrCompensated));
compensationExtension.NotifyMessage(context, compensationToken.CompensationId, CompensationBookmarkName.OnCompensation);
}
}
private void OnConfirmationHandlerComplete(NativeActivityContext context, ActivityInstance completedInstance)
{
Fx.Assert(context != null, "context must be valid");
Fx.Assert(completedInstance != null, "completedInstance must be valid");
CompensationExtension compensationExtension = context.GetExtension <CompensationExtension>();
Fx.Assert(compensationExtension != null, "CompensationExtension must be valid");
CompensationTokenData compensationToken = compensationExtension.Get(_compensationId.Get(context));
Fx.Assert(compensationToken != null, "CompensationTokenData must be valid");
if (completedInstance.State == ActivityInstanceState.Closed)
{
Fx.Assert(compensationToken.CompensationState == CompensationState.Confirming, "CompensationParticipant should be in Confirming State");
_currentCompensationToken.Set(context, new CompensationToken(compensationToken));
if (compensationToken.ExecutionTracker.Count > 0)
{
context.ScheduleActivity(DefaultConfirmation, new CompletionCallback(this.OnConfirmationComplete));
}
else
{
compensationExtension.NotifyMessage(context, compensationToken.CompensationId, CompensationBookmarkName.Confirmed);
}
}
}
private void InternalOnCompensationComplete(NativeActivityContext context, CompensationExtension compensationExtension, CompensationTokenData compensationToken)
{
switch (compensationToken.CompensationState)
{
case CompensationState.Canceling:
compensationExtension.NotifyMessage(context, compensationToken.CompensationId, CompensationBookmarkName.Canceled);
break;
case CompensationState.Compensating:
compensationExtension.NotifyMessage(context, compensationToken.CompensationId, CompensationBookmarkName.Compensated);
break;
default:
Fx.Assert(false, "CompensationState is in unexpected state!");
break;
}
}
private void OnConfirmationComplete(NativeActivityContext context, ActivityInstance completedInstance)
{
Fx.Assert(context != null, "context must be valid");
Fx.Assert(completedInstance != null, "completedInstance must be valid");
CompensationExtension compensationExtension = context.GetExtension <CompensationExtension>();
Fx.Assert(compensationExtension != null, "CompensationExtension must be valid");
CompensationTokenData compensationToken = compensationExtension.Get(_compensationId.Get(context));
Fx.Assert(compensationToken != null, "CompensationTokenData must be valid");
if (completedInstance.State == ActivityInstanceState.Closed)
{
compensationExtension.NotifyMessage(context, compensationToken.CompensationId, CompensationBookmarkName.Confirmed);
}
}
private void OnConfirmation(NativeActivityContext context, Bookmark bookmark, object value)
{
CompensationExtension compensationExtension = context.GetExtension <CompensationExtension>();
Fx.Assert(compensationExtension != null, "CompensationExtension must be valid");
long compensationId = (long)value;
Fx.Assert(compensationId != CompensationToken.RootCompensationId, "CompensationId must be passed when resuming the Completed bookmark");
CompensationTokenData compensationToken = compensationExtension.Get(compensationId);
Fx.Assert(compensationToken != null, "CompensationTokenData must be valid");
Fx.Assert(compensationToken.CompensationState == CompensationState.Confirming, "CompensationState should be in Confirming state");
if (TD.CompensationStateIsEnabled())
{
TD.CompensationState(compensationToken.DisplayName, compensationToken.CompensationState.ToString());
}
compensationToken.RemoveBookmark(context, CompensationBookmarkName.OnCancellation);
compensationToken.RemoveBookmark(context, CompensationBookmarkName.OnCompensation);
if (ConfirmationHandler != null)
{
context.ScheduleActivity(ConfirmationHandler, new CompletionCallback(OnConfirmationHandlerComplete), new FaultCallback(OnExceptionFromHandler));
}
else
{
_currentCompensationToken.Set(context, new CompensationToken(compensationToken));
if (compensationToken.ExecutionTracker.Count > 0)
{
context.ScheduleActivity(DefaultConfirmation, new CompletionCallback(this.OnConfirmationComplete));
}
else
{
compensationExtension.NotifyMessage(context, compensationToken.CompensationId, CompensationBookmarkName.Confirmed);
}
}
}
protected override void Execute(NativeActivityContext context)
{
CompensationExtension compensationExtension = context.GetExtension <CompensationExtension>();
Fx.Assert(compensationExtension != null, "CompensationExtension must be valid");
CompensationToken compensationToken = Target.Get(context);
Fx.Assert(compensationToken != null, "compensationToken must be valid");
// The compensationToken should be a valid one at this point. Ensure its validated in Confirm activity.
CompensationTokenData tokenData = compensationExtension.Get(compensationToken.CompensationId);
Fx.Assert(tokenData != null, "The compensationToken should be a valid one at this point. Ensure its validated in Confirm activity.");
Fx.Assert(tokenData.BookmarkTable[CompensationBookmarkName.Confirmed] == null, "Bookmark should not be already initialized in the bookmark table.");
tokenData.BookmarkTable[CompensationBookmarkName.Confirmed] = context.CreateBookmark(new BookmarkCallback(OnConfirmed));
tokenData.CompensationState = CompensationState.Confirming;
compensationExtension.NotifyMessage(context, tokenData.CompensationId, CompensationBookmarkName.OnConfirmation);
}