/// <summary>
/// TBD
/// </summary>
/// <param name="context">TBD</param>
/// <param name="materializer">TBD</param>
/// <returns>TBD</returns>
public override IPublisher <TOut> Create(MaterializationContext context, out IActorRef materializer)
{
var mat = ActorMaterializerHelper.Downcast(context.Materializer);
materializer = mat.ActorOf(context, ActorRefSourceActor <TOut> .Props(_bufferSize, _overflowStrategy, mat.Settings));
return(new ActorPublisherImpl <TOut>(materializer));
}
/// <summary>
/// TBD
/// </summary>
/// <param name="context">TBD</param>
/// <param name="materializer">TBD</param>
/// <returns>TBD</returns>
public override object Create(MaterializationContext context, out IActorRef materializer)
{
var subscriberRef = ActorMaterializerHelper.Downcast(context.Materializer).ActorOf(context, _props);
materializer = subscriberRef;
return(ActorSubscriber.Create <TIn>(subscriberRef));
}
protected internal override void OnTimer(object timerKey)
{
var materializer = ActorMaterializerHelper.Downcast(Interpreter.Materializer);
var timeoutSettings = materializer.Settings.SubscriptionTimeoutSettings;
var timeout = timeoutSettings.Timeout;
switch (timeoutSettings.Mode)
{
case StreamSubscriptionTimeoutTerminationMode.NoopTermination:
//do nothing
break;
case StreamSubscriptionTimeoutTerminationMode.WarnTermination:
materializer.Logger.Warning(
$"Substream subscription timeout triggered after {timeout} in prefixAndTail({_stage._count}).");
break;
case StreamSubscriptionTimeoutTerminationMode.CancelTermination:
_tailSource.Timeout(timeout);
if (_tailSource.IsClosed)
{
CompleteStage();
}
break;
default:
throw new ArgumentOutOfRangeException();
}
}
/// <summary>
/// TBD
/// </summary>
/// <param name="context">TBD</param>
/// <param name="materializer">TBD</param>
/// <returns>TBD</returns>
public override IPublisher <TOut> Create(MaterializationContext context, out IActorRef materializer)
{
var publisherRef = ActorMaterializerHelper.Downcast(context.Materializer).ActorOf(context, _props);
materializer = publisherRef;
return(new ActorPublisherImpl <TOut>(publisherRef));
}
/// <summary>
/// TBD
/// </summary>
/// <param name="context">TBD</param>
/// <param name="task">TBD</param>
/// <returns>TBD</returns>
public override IPublisher <ByteString> Create(MaterializationContext context, out Task <IOResult> task)
{
var materializer = ActorMaterializerHelper.Downcast(context.Materializer);
var ioResultPromise = new TaskCompletionSource <IOResult>();
IPublisher <ByteString> pub;
try
{
// can throw, i.e. FileNotFound
var inputStream = _createInputStream();
var props = InputStreamPublisher
.Props(inputStream, ioResultPromise, _chunkSize)
.WithDispatcher(context
.EffectiveAttributes
.GetMandatoryAttribute <ActorAttributes.Dispatcher>()
.Name);
var actorRef = materializer.ActorOf(context, props);
pub = new ActorPublisherImpl <ByteString>(actorRef);
}
catch (Exception ex)
{
ioResultPromise.TrySetException(ex);
pub = new ErrorPublisher <ByteString>(ex, Attributes.GetNameOrDefault("inputStreamSource"));
}
task = ioResultPromise.Task;
return(pub);
}
/// <summary>
/// TBD
/// </summary>
/// <param name="context">TBD</param>
/// <param name="materializer">TBD</param>
/// <returns>TBD</returns>
public override object Create(MaterializationContext context, out NotUsed materializer)
{
var actorMaterializer = ActorMaterializerHelper.Downcast(context.Materializer);
var effectiveSettings = actorMaterializer.EffectiveSettings(context.EffectiveAttributes);
var subscriberRef = actorMaterializer.ActorOf(context,
ActorRefSinkActor.Props(_ref, effectiveSettings.MaxInputBufferSize, _onCompleteMessage));
materializer = null;
return(new ActorSubscriberImpl <TIn>(subscriberRef));
}
private Source <T, NotUsed> OpenSubstream()
{
var timeout = ActorMaterializerHelper.Downcast(Interpreter.Materializer).Settings.SubscriptionTimeoutSettings.Timeout;
_tailSource = new SubSourceOutlet <T>(this, "TailSource");
_tailSource.SetHandler(_subHandler);
SetKeepGoing(true);
ScheduleOnce(SubscriptionTimer, timeout);
_builder = null;
return(Source.FromGraph(_tailSource.Source));
}
/// <summary>
/// TBD
/// </summary>
/// <param name="context">TBD</param>
/// <param name="materializer">TBD</param>
/// <returns>TBD</returns>
public override object Create(MaterializationContext context, out IPublisher <TIn> materializer)
{
var actorMaterializer = ActorMaterializerHelper.Downcast(context.Materializer);
var settings = actorMaterializer.EffectiveSettings(Attributes);
var impl = actorMaterializer.ActorOf(context, FanoutProcessorImpl <TIn, TStreamBuffer> .Props(settings, _onTerminated));
var fanoutProcessor = new ActorProcessor <TIn, TIn>(impl);
impl.Tell(new ExposedPublisher(fanoutProcessor));
// Resolve cyclic dependency with actor. This MUST be the first message no matter what.
materializer = fanoutProcessor;
return(fanoutProcessor);
}
/// <summary>
/// TBD
/// </summary>
/// <param name="context">TBD</param>
/// <param name="materializer">TBD</param>
/// <returns>TBD</returns>
public override object Create(MaterializationContext context, out Task <IOResult> materializer)
{
var mat = ActorMaterializerHelper.Downcast(context.Materializer);
var settings = mat.EffectiveSettings(context.EffectiveAttributes);
var ioResultPromise = new TaskCompletionSource <IOResult>();
var os = _createOutput();
var props = OutputStreamSubscriber.Props(os, ioResultPromise, settings.MaxInputBufferSize, _autoFlush);
var actorRef = mat.ActorOf(context, props);
materializer = ioResultPromise.Task;
return(new ActorSubscriberImpl <ByteString>(actorRef));
}
/// <summary>
/// TBD
/// </summary>
/// <param name="context">TBD</param>
/// <param name="task">TBD</param>
/// <returns>TBD</returns>
public override IPublisher <ByteString> Create(MaterializationContext context, out Task <IOResult> task)
{
// FIXME rewrite to be based on GraphStage rather than dangerous downcasts
var materializer = ActorMaterializerHelper.Downcast(context.Materializer);
var settings = materializer.EffectiveSettings(context.EffectiveAttributes);
var ioResultPromise = new TaskCompletionSource <IOResult>();
var props = FilePublisher.Props(_f, ioResultPromise, _chunkSize, settings.InitialInputBufferSize, settings.MaxInputBufferSize);
var dispatcher = context.EffectiveAttributes.GetAttribute(DefaultAttributes.IODispatcher.GetAttribute <ActorAttributes.Dispatcher>());
var actorRef = materializer.ActorOf(context, props.WithDispatcher(dispatcher.Name));
task = ioResultPromise.Task;
return(new ActorPublisherImpl <ByteString>(actorRef));
}
/// <summary>
/// TBD
/// </summary>
/// <param name="context">TBD</param>
/// <param name="materializer">TBD</param>
/// <returns>TBD</returns>
public override object Create(MaterializationContext context, out Task <IOResult> materializer)
{
var mat = ActorMaterializerHelper.Downcast(context.Materializer);
var settings = mat.EffectiveSettings(context.EffectiveAttributes);
var ioResultPromise = new TaskCompletionSource <IOResult>();
var props = FileSubscriber.Props(_f, ioResultPromise, settings.MaxInputBufferSize, _fileMode);
var dispatcher = context.EffectiveAttributes.GetAttribute(DefaultAttributes.IODispatcher.AttributeList.First()) as ActorAttributes.Dispatcher;
var actorRef = mat.ActorOf(context, props.WithDispatcher(dispatcher.Name));
materializer = ioResultPromise.Task;
return(new ActorSubscriberImpl <ByteString>(actorRef));
}
/// <summary>
/// TBD
/// </summary>
/// <param name="context">TBD</param>
/// <param name="materializer">TBD</param>
/// <returns>TBD</returns>
public override object Create(MaterializationContext context, out Task <IOResult> materializer)
{
var mat = ActorMaterializerHelper.Downcast(context.Materializer);
var settings = mat.EffectiveSettings(context.EffectiveAttributes);
var ioResultPromise = new TaskCompletionSource <IOResult>();
var props = FileSubscriber.Props(_f, ioResultPromise, settings.MaxInputBufferSize, _startPosition, _fileMode, _autoFlush, _flushSignaler);
var actorRef = mat.ActorOf(
context,
props.WithDispatcher(context
.EffectiveAttributes
.GetMandatoryAttribute <ActorAttributes.Dispatcher>()
.Name));
materializer = ioResultPromise.Task;
return(new ActorSubscriberImpl <ByteString>(actorRef));
}
public override void PreStart()
{
_dispatcher = ActorMaterializerHelper.Downcast(Materializer).System.Dispatchers.Lookup(_dispatcherId);
base.PreStart();
}
public override void PreStart()
{
var settings = ActorMaterializerHelper.Downcast(Interpreter.Materializer).Settings;
_timeout = settings.SubscriptionTimeoutSettings.Timeout;
}
