public SQLSubscriptionTrackingService(ConnectionStringSettings connectionStringSettings,
ISQLDialect dialect = null)
{
if (connectionStringSettings == null) throw new ArgumentNullException("connectionStringSettings");
_connectionProvider = new DefaultConnectionProvider(connectionStringSettings);
_dialect = dialect ?? connectionStringSettings.GetSQLDialect();
}
public SQLSubscriptionTrackingService(IDbConnectionProvider connectionProvider, ISQLDialect dialect)
{
if (connectionProvider == null) throw new ArgumentNullException("connectionProvider");
if (dialect == null) throw new ArgumentNullException("dialect");
_connectionProvider = connectionProvider;
_dialect = dialect;
}
public SQLMessageQueue(IDbConnectionProvider connectionProvider, ISQLDialect dialect, QueueName queueName,
IQueueListener listener, QueueOptions options = default(QueueOptions))
{
if (connectionProvider == null) throw new ArgumentNullException("connectionProvider");
if (dialect == null) throw new ArgumentNullException("dialect");
if (queueName == null) throw new ArgumentNullException("queueName");
if (listener == null) throw new ArgumentNullException("listener");
_connectionProvider = connectionProvider;
_dialect = dialect;
_queueName = queueName;
_listener = listener;
_autoAcknowledge = options.AutoAcknowledge;
_maxAttempts = options.MaxAttempts <= 0 ? 10 : options.MaxAttempts;
_retryDelay = options.RetryDelay < TimeSpan.Zero ? TimeSpan.Zero : options.RetryDelay;
var concurrencyLimit = options.ConcurrencyLimit <= 0
? QueueOptions.DefaultConcurrencyLimit
: options.ConcurrencyLimit;
_concurrentMessageProcessingSlot = new SemaphoreSlim(concurrencyLimit);
_cancellationTokenSource = new CancellationTokenSource();
_queuedMessages = new BufferBlock<SQLQueuedMessage>(new DataflowBlockOptions
{
CancellationToken = _cancellationTokenSource.Token
});
}
