public void Create_Default_Serialized() { var id = Guid.NewGuid(); var input = new RedisQueueCorrelationIdSerialized(id); var test = new RedisQueueCorrelationId(input); Assert.Equal(id.ToString(), test.Id.Value.ToString()); Assert.True(test.HasValue); }
/// <inheritdoc /> public RedisMessage Handle(ReceiveMessageQuery query) { byte[] message = null; byte[] headers = null; string messageId; var poisonMessage = false; RedisQueueCorrelationIdSerialized correlationId = null; try { var unixTimestamp = _unixTimeFactory.Create().GetCurrentUnixTimestampMilliseconds(); RedisValue[] result; if (query.MessageId != null && query.MessageId.HasValue) { result = _dequeueRpcLua.Execute(query.MessageId.Id.Value.ToString(), unixTimestamp); } else { result = _dequeueLua.Execute(unixTimestamp); } if (result == null || result.Length == 1 && !result[0].HasValue || !result[0].HasValue) { return(null); } if (!result[1].HasValue) { //at this point, the record has been de-queued, but it can't be processed. poisonMessage = true; } messageId = result[0]; var id = new RedisQueueId(messageId); query.MessageContext.MessageId = id; if (!poisonMessage) { message = result[1]; headers = result[2]; if (result[3].HasValue) { if (result[3].TryParse(out long messageExpiration)) { if (messageExpiration - unixTimestamp < 0) { //message has expired _deleteMessage.Handle(new DeleteMessageCommand(new RedisQueueId(messageId))); return(new RedisMessage(messageId, null, true)); } } } } } catch (Exception error) { throw new ReceiveMessageException("Failed to dequeue a message", error); } if (poisonMessage) { //at this point, the record has been de-queued, but it can't be processed. throw new PoisonMessageException( "An error has occurred trying to re-assemble a message de-queued from Redis; a messageId was returned, but the LUA script returned a null message. The message payload has most likely been lost.", null, new RedisQueueId(messageId), new RedisQueueCorrelationId(Guid.Empty), null, null); } try { var allHeaders = _serializer.InternalSerializer.ConvertBytesTo <IDictionary <string, object> > (headers); correlationId = (RedisQueueCorrelationIdSerialized)allHeaders[_redisHeaders.CorrelationId.Name]; var messageGraph = (MessageInterceptorsGraph)allHeaders[_redisHeaders.Headers.StandardHeaders.MessageInterceptorGraph.Name]; var messageData = _serializer.Serializer.BytesToMessage <MessageBody>(message, messageGraph); var newMessage = _messageFactory.Create(messageData.Body, allHeaders); return(new RedisMessage( messageId, _receivedMessageFactory.Create( newMessage, new RedisQueueId(messageId), new RedisQueueCorrelationId(correlationId.Id)), false)); } catch (Exception error) { //at this point, the record has been de-queued, but it can't be processed. throw new PoisonMessageException( "An error has occurred trying to re-assemble a message de-queued from redis", error, new RedisQueueId(messageId), new RedisQueueCorrelationId(correlationId), message, headers); } }