protected override void Execute(NativeActivityContext context)
{
if (this.Request == null)
{
throw FxTrace.Exception.AsError(new ValidationException(SR2.TransactedReceiveScopeRequiresReceive(this.DisplayName)));
}
// we have to do this in code since we aren't fully modeled (in order for
// dynamic update to work correctly)
RuntimeTransactionHandle handleInstance = this.transactionHandle.Get(context);
Fx.Assert(handleInstance != null, "RuntimeTransactionHandle is null");
//This is used by InternalReceiveMessage to update the InitiatingTransaction so that we can later call Commit/Complete on it
context.Properties.Add(TransactedReceiveData.TransactedReceiveDataExecutionPropertyName, new TransactedReceiveData());
RuntimeTransactionHandle foundHandle = context.Properties.Find(handleInstance.ExecutionPropertyName) as RuntimeTransactionHandle;
if (foundHandle == null)
{
context.Properties.Add(handleInstance.ExecutionPropertyName, handleInstance);
}
else
{
//nested case
if (foundHandle.SuppressTransaction)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR2.CannotNestTransactedReceiveScopeWhenAmbientHandleIsSuppressed(this.DisplayName)));
}
// Verify if TRS is root and if the foundHandle is not from the parent HandleScope<RTH>
if (foundHandle.GetCurrentTransaction(context) != null)
{
handleInstance = foundHandle;
this.isNested.Set(context, true);
}
}
context.ScheduleActivity(this.Request, new CompletionCallback(OnReceiveCompleted));
}