public void Add(Subscription subscription)
{
List<Subscription> subscriptions;
if (!_subscriptionsByStreamIdMap.TryGetValue(subscription.StreamId, out subscriptions))
{
subscriptions = new List<Subscription>();
_subscriptionsByStreamIdMap[subscription.StreamId] = subscriptions;
}
subscriptions.Add(subscription);
}
public void Remove(Subscription subscription)
{
int streamId = subscription.StreamId;
List<Subscription> subscriptions;
if (_subscriptionsByStreamIdMap.TryGetValue(streamId, out subscriptions))
{
if (subscriptions.Remove(subscription) && subscriptions.Count == 0)
{
_subscriptionsByStreamIdMap.Remove(streamId);
}
}
}
public void Setup()
{
AtomicReadBuffer = new UnsafeBuffer(new byte[READ_BUFFER_CAPACITY]);
Conductor = A.Fake<ClientConductor>();
FragmentHandler = A.Fake<FragmentHandler>();
ImageOneMock = A.Fake<Image>();
ImageTwoMock = A.Fake<Image>();
Header = A.Fake<Header>();
A.CallTo(() => Header.Flags).Returns(FLAGS);
Subscription = new Subscription(Conductor, CHANNEL, STREAM_ID_1, SUBSCRIPTION_CORRELATION_ID);
A.CallTo(() => Conductor.ReleaseSubscription(Subscription));
}
/// <summary>
/// Construct a new image over a log to represent a stream of messages from a <seealso cref="Publication"/>.
/// </summary>
/// <param name="subscription"> to which this <seealso cref="Image"/> belongs. </param>
/// <param name="sessionId"> of the stream of messages. </param>
/// <param name="subscriberPosition"> for indicating the position of the subscriber in the stream. </param>
/// <param name="logBuffers"> containing the stream of messages. </param>
/// <param name="errorHandler"> to be called if an error occurs when polling for messages. </param>
/// <param name="sourceIdentity"> of the source sending the stream of messages. </param>
/// <param name="correlationId"> of the request to the media driver. </param>
public Image(Subscription subscription, int sessionId, IPosition subscriberPosition, LogBuffers logBuffers, ErrorHandler errorHandler, string sourceIdentity, long correlationId)
{
Subscription = subscription;
SessionId = sessionId;
_subscriberPosition = subscriberPosition;
_logBuffers = logBuffers;
_errorHandler = errorHandler;
SourceIdentity = sourceIdentity;
CorrelationId = correlationId;
var buffers = logBuffers.AtomicBuffers();
Array.Copy(buffers, 0, _termBuffers, 0, LogBufferDescriptor.PARTITION_COUNT);
var termLength = logBuffers.TermLength();
_termLengthMask = termLength - 1;
_positionBitsToShift = IntUtil.NumberOfTrailingZeros(termLength);
_header = new Header(LogBufferDescriptor.InitialTermId(buffers[LogBufferDescriptor.LOG_META_DATA_SECTION_INDEX]), _positionBitsToShift);
}
