internal static MessageId GetMessageId(this EsentTable table)
{
var id = new MessageId
{
MessageIdentifier = table.ForColumnType <GuidColumn>().Get("msg_id"),
SourceInstanceId = table.ForColumnType <GuidColumn>().Get("instance_id")
};
return(id);
}
private string[] GetSubqueues(string queueName)
{
var list = new List <string>();
var enumerator = subqueues.GetEnumerator(new StringValueIndex("by_queue", queueName));
while (enumerator.MoveNext())
{
list.Add(subqueues.ForColumnType <StringColumn>().Get("subqueue"));
}
return(list.ToArray());
}
internal static TMessage ReadMessage <TMessage>(this EsentTable table, MessageBookmark bookmark, string queueName, Action <TMessage> action) where TMessage : PersistentMessage, new()
{
var message = new TMessage
{
Bookmark = bookmark,
Status = (MessageStatus)table.ForColumnType <IntColumn>().Get("status"),
Headers = HttpUtility.ParseQueryString(table.ForColumnType <StringColumn>().Get("headers")),
Queue = queueName,
SentAt = table.ForColumnType <DateTimeColumn>().Get("timestamp"),
Data = table.ForColumnType <BytesColumn>().Get("data"),
};
action(message);
return(message);
}
public void MoveToHistory(MessageBookmark bookmark)
{
_messages.MoveTo(bookmark);
var id = _messages.GetMessageId();
_messageHistory.Insert(() =>
{
_messages.ColumnNames.Each(x =>
{
var columnBytes = _messages.ForColumnType <BytesColumn>().Get(x);
_messageHistory.ForColumnType <BytesColumn>().Set(x, columnBytes);
});
_messageHistory.ForColumnType <DateTimeColumn>().Set("moved_to_history_at", DateTime.Now);
});
_messages.Delete();
_logger.Debug("Moving message {0} on queue {1} to history",
id, _queueName);
}
private void AddToNumberOfMessagesIn(string queueName, int count)
{
var enumerator = queues.GetEnumerator(new StringValueIndex("pk", queueName));
if (!enumerator.MoveNext())
{
return;
}
queues.ForColumnType <IntColumn>().InterlockedIncrement("number_of_messages", count);
}
public MessageBookmark Enqueue(Message message)
{
var bm = _messages.Insert(() =>
{
var messageStatus = MessageStatus.InTransit;
var persistentMessage = message as PersistentMessage;
if (persistentMessage != null)
{
messageStatus = persistentMessage.Status;
}
_messages.ForColumnType <DateTimeColumn>().Set("timestamp", message.SentAt);
_messages.ForColumnType <BytesColumn>().Set("data", message.Data);
_messages.ForColumnType <GuidColumn>().Set("instance_id", message.Id.SourceInstanceId);
_messages.ForColumnType <GuidColumn>().Set("msg_id", message.Id.MessageIdentifier);
_messages.ForColumnType <StringColumn>().Set("subqueue", message.SubQueue);
_messages.ForColumnType <StringColumn>().Set("headers", message.Headers.ToQueryString());
_messages.ForColumnType <IntColumn>().Set("status", (int)messageStatus);
});
bm.QueueName = _queueName;
if (string.IsNullOrEmpty(message.SubQueue) == false &&
Subqueues.Contains(message.SubQueue) == false)
{
_actions.AddSubqueueTo(_queueName, message.SubQueue);
_subqueues = _subqueues.Union(new[] { message.SubQueue }).ToArray();
}
_logger.Debug("Enqueuing msg to '{0}' with subqueue: '{1}'. Id: {2}", _queueName, message.SubQueue, message.Id);
_changeNumberOfMessages(1);
return(bm);
}
