public virtual Task <Message> ExecuteOperation(OperationContext context)
{
int requestId = Interlocked.Increment(ref _requestId);
context.Message.AttachHeader(new OperationHeader(requestId, OperationType.Request));
var continuation = new PendingOperation(requestId);
if (!PendingOperationsByRequestId.TryAdd(requestId, continuation))
{
throw new Exception("This could happen only if requestId is duplicated");
}
var expiration = Task.Delay(TimeSpan.FromSeconds(ExpirationTimeout), continuation.Expiration.Token);
expiration.ContinueWith((_) =>
{
PendingOperation dummy;
if (PendingOperationsByRequestId.TryRemove(continuation.RequestId, out dummy))
{
continuation.TCS.SetException(new Exception(string.Format("ExecuteOperation<{0}, {1}> has Expired after {2} sec", requestId, context.Message, ExpirationTimeout)));
}
});
Log.Debug("Sending " + context.Message);
Channel.Send(context.Message);
MessageFactory.Free(context.Message);
return(continuation.TCS.Task);
}
