/// <summary>
/// Deletes the specified message from the queue.
/// </summary>
/// <param name="poppedMessage">Message to delete from the queue</param>
public void DeleteMessage(IPoppedMessage poppedMessage)
{
CheckIfDeleted();
lock (_locker)
{
var message = _messages.Single(m => m.Id == poppedMessage.Id &&
m.PopReceipt == poppedMessage.PopReceipt &&
m.NextVisibleTime >= EnvironmentInfo.GetCurrentDateTimeUtc());
if (message != null) _messages.Remove(message);
}
}
/// <summary>
/// Deletes the specified message from the queue.
/// </summary>
/// <param name="poppedMessage">Message to delete from the queue</param>
public void DeleteMessage(IPoppedMessage poppedMessage)
{
CheckIfDeleted();
lock (_locker)
{
var message = _messages.Single(m => m.Id == poppedMessage.Id &&
m.PopReceipt == poppedMessage.PopReceipt &&
m.NextVisibleTime >= EnvironmentInfo.GetCurrentDateTimeUtc());
if (message != null)
{
_messages.Remove(message);
}
}
}
/// <summary>
/// Processes a single message
/// </summary>
/// <param name="message">Message to process</param>
/// <returns></returns>
private bool ProcessMessage(IPoppedMessage message)
{
if (ShouldStopTaskProcessing)
{
return(true);
}
var task = new TTask();
// --- Set input arguments
task.Argument = task.ArgumentConverter.ConvertToArgument(message.MessageText);
// --- Prepare task to run
var cancel = false;
OnTaskProcessing(task, ref cancel);
var stopwatch = new Stopwatch();
try
{
// --- Setup with graceful cancellation
if (ShouldStopTaskProcessing)
{
return(true);
}
task.Setup(Context);
// --- Run with graceful cancellation
CancellationToken.ThrowIfCancellationRequested();
task.Run();
OnTaskProcessed(task);
NumTasksPmc.Increment();
NumTasksPerSecondPmc.Increment();
// --- At this point the message should be removed from the queue
_requestQueue.DeleteMessage(message);
return(false);
}
catch
{
NumFailuresPmc.Increment();
NumFailuresPerSecondPmc.Increment();
throw;
}
finally
{
LastProcessTimePmc.RawValue = (int)stopwatch.ElapsedMilliseconds;
task.Dispose();
}
}
/// <summary>
/// This method will delete the popped message from the queue. Does nothing when message does not exist
/// </summary>
/// <param name="poppedMessage">The nessage you want to delete</param>
public void DeleteMessage(IPoppedMessage poppedMessage)
{
using (var conn = SqlHelper.CreateSqlConnection(Provider.NameOrConnectionString))
{
conn.Open();
using (var command = new SqlCommand())
{
command.Connection = conn;
command.Parameters.Add("@messageid", SqlDbType.UniqueIdentifier).Value =
Guid.Parse(poppedMessage.Id);
command.Parameters.Add("@popreceipt", SqlDbType.UniqueIdentifier).Value =
Guid.Parse(poppedMessage.PopReceipt);
command.CommandText = GetDeleteMessagesSql();
var rows = command.ExecuteNonQuery();
if (rows == 0)
{
throw new InvalidOperationException("No message has been deleted.");
}
}
}
}
/// <summary>
/// This method will delete the popped message from the queue. Does nothing when message does not exist
/// </summary>
/// <param name="poppedMessage">The nessage you want to delete</param>
public void DeleteMessage(IPoppedMessage poppedMessage)
{
using (var conn = SqlHelper.CreateSqlConnection(Provider.NameOrConnectionString))
{
conn.Open();
using (var command = new SqlCommand())
{
command.Connection = conn;
command.Parameters.Add("@messageid", SqlDbType.UniqueIdentifier).Value =
Guid.Parse(poppedMessage.Id);
command.Parameters.Add("@popreceipt", SqlDbType.UniqueIdentifier).Value =
Guid.Parse(poppedMessage.PopReceipt);
command.CommandText = GetDeleteMessagesSql();
var rows = command.ExecuteNonQuery();
if (rows == 0)
{
throw new InvalidOperationException("No message has been deleted.");
}
}
}
}