/// <summary>
/// Bootstraps the <see cref="Disruptor" /> and starts it.
/// </summary>
public void Start()
{
if (_exceptionHandler == null)
{
throw new ArgumentNullException("Exception EventHandler cannot be null");
}
_disruptor.SetDefaultExceptionHandler(_exceptionHandler);
if (_listTasks == null || _listTasks.Length <= 0)
{
throw new ArgumentNullException("list task still null");
}
EventHandlerGroup <T> group = null;
foreach (var eventHandler in _listTasks)
{
if (group == null)
{
group = _disruptor.HandleEventsWith(eventHandler);
}
else
{
group = group.Then(eventHandler);
}
}
_ringBuffer = _disruptor.Start();
}
public RingBuffer <TEvent> Build()
{
if (_bufferSize == 0)
{
throw new InvalidOperationException("Buffer size must be set.");
}
if (_eventFactory == null)
{
throw new InvalidOperationException("Event factory must be specified.");
}
if (_claimStrategyFactory == null)
{
throw new InvalidOperationException("Claim strategy must be specified.");
}
if (_waitStrategy == null)
{
throw new InvalidOperationException("Wait strategy must be specified.");
}
if (!_eventHandlers.Any())
{
throw new InvalidOperationException("At least one event handler must be specified.");
}
var disruptor = new Disruptor <TEvent>(
_eventFactory,
_claimStrategyFactory(_bufferSize),
_waitStrategy,
TaskScheduler.Default);
EventHandlerGroup <TEvent> handlerGroup = null;
foreach (var handler in _eventHandlers)
{
if (handlerGroup == null)
{
handlerGroup = disruptor.HandleEventsWith(handler);
}
else
{
handlerGroup.Then(handler);
}
}
return(disruptor.Start());
}
public FxPricingEngine(params IEventHandler <FxPricingEvent>[] handlers)
{
Disruptor = new Disruptor <FxPricingEvent>(() => new FxPricingEvent(), 16384, TaskScheduler.Default, ProducerType.Single, new BusySpinWaitStrategy());
EventHandlerGroup <FxPricingEvent> group = null;
foreach (var handler in handlers)
{
if (null == group)
{
group = Disruptor.HandleEventsWith(handler);
}
else
{
group = group.Then(handler);
}
}
RingBuffer = Disruptor.RingBuffer;
Disruptor.Start();
}
/// <summary>
/// Create a new event handler group that combines the consumers in this group with <paramref name="otherHandlerGroup"/>
/// </summary>
/// <param name="otherHandlerGroup">the event handler group to combine</param>
/// <returns>a new EventHandlerGroup combining the existing and new consumers into a single dependency group</returns>
public EventHandlerGroup <T> And(EventHandlerGroup <T> otherHandlerGroup)
{
return(new EventHandlerGroup <T>(_disruptor, _consumerRepository, _sequences.Concat(otherHandlerGroup._sequences)));
}
