internal EventStoreSubscription(SubscriptionOperation subscriptionOperation, string streamId, long lastCommitPosition, int? lastEventNumber)
{
Ensure.NotNull(subscriptionOperation, "subscriptionOperation");
_subscriptionOperation = subscriptionOperation;
_streamId = streamId;
LastCommitPosition = lastCommitPosition;
LastEventNumber = lastEventNumber;
}
public SubscriptionItem(SubscriptionOperation operation, int maxRetries, TimeSpan timeout)
{
Ensure.NotNull(operation, "operation");
Operation = operation;
MaxRetries = maxRetries;
Timeout = timeout;
CreatedTime = DateTime.UtcNow;
CorrelationId = Guid.NewGuid();
RetryCount = 0;
LastUpdated = DateTime.UtcNow;
}
private void StartSubscription(StartSubscriptionMessage msg)
{
switch (_state)
{
case ConnectionState.Init:
msg.Source.SetException(new InvalidOperationException(string.Format("EventStoreConnection '{0}' is not active.", _esConnection.ConnectionName)));
break;
case ConnectionState.Connecting:
case ConnectionState.Connected:
var operation = new SubscriptionOperation(_settings.Log, msg.Source, msg.StreamId, msg.ResolveLinkTos,
msg.UserCredentials, msg.EventAppeared, msg.SubscriptionDropped,
_settings.VerboseLogging, () => _connection);
LogDebug("StartSubscription {4} {0}, {1}, {2}, {3}.", operation.GetType().Name, operation, msg.MaxRetries, msg.Timeout, _state == ConnectionState.Connected ? "fire" : "enqueue");
var subscription = new SubscriptionItem(operation, msg.MaxRetries, msg.Timeout);
if (_state == ConnectionState.Connecting)
_subscriptions.EnqueueSubscription(subscription);
else
_subscriptions.StartSubscription(subscription, _connection);
break;
case ConnectionState.Closed:
msg.Source.SetException(new ObjectDisposedException(_esConnection.ConnectionName));
break;
default: throw new Exception(string.Format("Unknown state: {0}.", _state));
}
}