/// <summary>
/// Create a worker pool to enable an array of <see cref="IWorkHandler{T}"/>s to consume published sequences.
///
/// This option requires a pre-configured <see cref="RingBuffer{T}"/> which must have <see cref="Sequencer.SetGatingSequences"/>
/// called before the work pool is started.
/// </summary>
/// <param name="ringBuffer">ringBuffer of events to be consumed.</param>
/// <param name="sequenceBarrier">sequenceBarrier on which the workers will depend.</param>
/// <param name="exceptionHandler">exceptionHandler to callback when an error occurs which is not handled by the <see cref="IWorkHandler{T}"/>s.</param>
/// <param name="workHandlers">workHandlers to distribute the work load across.</param>
public WorkerPool(RingBuffer <T> ringBuffer,
ISequenceBarrier sequenceBarrier,
IExceptionHandler exceptionHandler,
params IWorkHandler <T>[] workHandlers)
{
_ringBuffer = ringBuffer;
int numWorkers = workHandlers.Length;
_workProcessors = new WorkProcessor <T> [numWorkers];
for (int i = 0; i < numWorkers; i++)
{
_workProcessors[i] = new WorkProcessor <T>(ringBuffer,
sequenceBarrier,
workHandlers[i],
exceptionHandler,
_workSequence);
}
}
/// <summary>
/// Create a worker pool to enable an array of <see cref="IWorkHandler{T}"/>s to consume published sequences.
///
/// This option requires a pre-configured <see cref="RingBuffer{T}"/> which must have <see cref="ISequencer.AddGatingSequences"/>
/// called before the work pool is started.
/// </summary>
/// <param name="ringBuffer">ringBuffer of events to be consumed.</param>
/// <param name="sequenceBarrier">sequenceBarrier on which the workers will depend.</param>
/// <param name="exceptionHandler">exceptionHandler to callback when an error occurs which is not handled by the <see cref="IWorkHandler{T}"/>s.</param>
/// <param name="workHandlers">workHandlers to distribute the work load across.</param>
public WorkerPool(
RingBuffer <T> ringBuffer,
ISequenceBarrier sequenceBarrier,
IExceptionHandler <T> exceptionHandler,
params IWorkHandler <T>[] workHandlers)
{
_ringBuffer = ringBuffer;
_workProcessors = new WorkProcessor <T> [workHandlers.Length];
for (var i = 0; i < workHandlers.Length; i++)
{
_workProcessors[i] = new WorkProcessor <T>(
ringBuffer,
sequenceBarrier,
workHandlers[i],
exceptionHandler,
_workSequence);
}
}
/// <summary>
/// Construct a work pool with an internal <see cref="RingBuffer{T}"/> for convenience.
///
/// This option does not require <see cref="Sequencer.SetGatingSequences"/> to be called before the work pool is started.
/// </summary>
/// <param name="eventFactory">eventFactory for filling the <see cref="RingBuffer{T}"/></param>
/// <param name="exceptionHandler">exceptionHandler to callback when an error occurs which is not handled by the <see cref="IWorkHandler{T}"/>s.</param>
/// <param name="workHandlers">workHandlers to distribute the work load across.</param>
public WorkerPool(Func <T> eventFactory,
IExceptionHandler <T> exceptionHandler,
params IWorkHandler <T>[] workHandlers)
{
_ringBuffer = RingBuffer <T> .CreateMultiProducer(eventFactory, 1024, new BlockingWaitStrategy());
var barrier = _ringBuffer.NewBarrier();
_workProcessors = new WorkProcessor <T> [workHandlers.Length];
for (var i = 0; i < workHandlers.Length; i++)
{
_workProcessors[i] = new WorkProcessor <T>(_ringBuffer,
barrier,
workHandlers[i],
exceptionHandler,
_workSequence);
}
_ringBuffer.AddGatingSequences(GetWorkerSequences());
}
/// <summary>
/// Construct a work pool with an internal {@link RingBuffer} for convenience.
/// This option does not require {@link RingBuffer#AddGatingSequences(Sequence...)} to be called before the work pool is started.
/// </summary>
/// <param name="eventFactory">for filling the {@link RingBuffer}</param>
/// <param name="exceptionHandler">to callback when an error occurs which is not handled by the {@link WorkHandler}s.</param>
/// <param name="workHandlers">to distribute the work load across.</param>
public WorkerPool(Func <T> eventFactory,
IExceptionHandler exceptionHandler,
params IWorkHandler <T>[] workHandlers)
{
ringBuffer = RingBuffer <T> .CreateMultiProducer(eventFactory, 1024, new BlockingWaitStrategy());
ISequenceBarrier barrier = ringBuffer.NewBarrier();
var numWorkers = workHandlers.Length;
workProcessors = new WorkProcessor <T> [numWorkers];
for (var i = 0; i < numWorkers; i++)
{
workProcessors[i] = new WorkProcessor <T>(ringBuffer,
barrier,
workHandlers[i],
exceptionHandler,
workSequence);
}
ringBuffer.AddGatingSequences(getWorkerSequences());
}
/// <summary>
/// Construct a work pool with an internal <see cref="RingBuffer{T}"/> for convenience.
///
/// This option does not require <see cref="Sequencer.SetGatingSequences"/> to be called before the work pool is started.
/// </summary>
/// <param name="eventFactory">eventFactory for filling the <see cref="RingBuffer{T}"/></param>
/// <param name="claimStrategy">claimStrategy for the <see cref="RingBuffer{T}"/></param>
/// <param name="waitStrategy">waitStrategy for the <see cref="RingBuffer{T}"/></param>
/// <param name="exceptionHandler">exceptionHandler to callback when an error occurs which is not handled by the <see cref="IWorkHandler{T}"/>s.</param>
/// <param name="workHandlers">workHandlers to distribute the work load across.</param>
public WorkerPool(Func <T> eventFactory,
IClaimStrategy claimStrategy,
IWaitStrategy waitStrategy,
IExceptionHandler exceptionHandler,
params IWorkHandler <T>[] workHandlers)
{
_ringBuffer = new RingBuffer <T>(eventFactory, claimStrategy, waitStrategy);
var barrier = _ringBuffer.NewBarrier();
int numWorkers = workHandlers.Length;
_workProcessors = new WorkProcessor <T> [numWorkers];
for (int i = 0; i < numWorkers; i++)
{
_workProcessors[i] = new WorkProcessor <T>(_ringBuffer,
barrier,
workHandlers[i],
exceptionHandler,
_workSequence);
}
_ringBuffer.SetGatingSequences(WorkerSequences);
}
public ConsumerTrackingConsumerBarrier(RingBuffer <TEntry> ringBuffer, IConsumer[] consumers)
{
_ringBuffer = ringBuffer;
this._consumers = consumers;
}
/// <summary>
/// Construct from the ring buffer to be published to.
/// </summary>
/// <param name="ringBuffer">ringBuffer into which events will be published.</param>
public EventPublisher(RingBuffer <T> ringBuffer)
{
_ringBuffer = ringBuffer;
}
public EventRef(RingBuffer <T> ringBuffer, long sequence)
{
_ringBuffer = ringBuffer;
_sequence = sequence;
}
public NullableUnpublishedEventScope(RingBuffer <T> ringBuffer, long sequence)
{
_ringBuffer = ringBuffer;
_sequence = sequence;
}
public UnpublishedEventBatchScope(RingBuffer <T> ringBuffer, long startSequence, long endSequence)
{
_ringBuffer = ringBuffer;
_startSequence = startSequence;
_endSequence = endSequence;
}
public EventBatchRef(RingBuffer <T> ringBuffer, long startSequence, long endSequence)
{
_ringBuffer = ringBuffer;
_startSequence = startSequence;
_endSequence = endSequence;
}
public SequencerFollowingSequence(RingBuffer <T> sequencer)
{
_sequencer = sequencer;
}
/// <summary>
/// Construct a <see cref="IEventProcessor"/> that simply tracks a <see cref="Disruptor.Sequence"/>.
/// </summary>
/// <param name="sequencer">sequencer to track.</param>
public NoOpEventProcessor(RingBuffer <T> sequencer)
{
_sequence = new SequencerFollowingSequence(sequencer);
}
public SequencerFollowingSequence(RingBuffer <T> sequencer)
: base(InitialCursorValue.INITIAL_CURSOR_VALUE)
{
this.sequencer = sequencer;
}