public void Setup()
{
_consumer = new TestHandler<Message>();
_bus = new InMemoryBus("temp");
_bus.Subscribe(_consumer);
ICheckpoint writerCheckpoint = new InMemoryCheckpoint(1000);
var ioDispatcher = new IODispatcher(_bus, new PublishEnvelope(_bus));
_readerService = new EventReaderCoreService(_bus, ioDispatcher, 10, writerCheckpoint, runHeadingReader: true);
_subscriptionDispatcher =
new ReaderSubscriptionDispatcher(_bus);
_spoolProcessingResponseDispatcher = new SpooledStreamReadingDispatcher(_bus);
_timeoutScheduler = new TimeoutScheduler();
_workerId = Guid.NewGuid();
_service = new ProjectionCoreService(
_workerId, _bus, _bus, _subscriptionDispatcher, new RealTimeProvider(), ioDispatcher,
_spoolProcessingResponseDispatcher, _timeoutScheduler);
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.CheckpointSuggested>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.CommittedEventReceived>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.EofReached>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.PartitionEofReached>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.PartitionMeasured>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.PartitionDeleted>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.ProgressChanged>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.SubscriptionStarted>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.NotAuthorized>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.ReaderAssignedReader>());
_bus.Subscribe(_spoolProcessingResponseDispatcher.CreateSubscriber<PartitionProcessingResult>());
_readerService.Handle(new Messages.ReaderCoreServiceMessage.StartReader());
_service.Handle(new ProjectionCoreServiceMessage.StartCore());
}
public void Setup()
{
_consumer = new TestHandler <Message>();
_bus = new InMemoryBus("temp");
_bus.Subscribe(_consumer);
ICheckpoint writerCheckpoint = new InMemoryCheckpoint(1000);
var ioDispatcher = new IODispatcher(_bus, new PublishEnvelope(_bus));
_readerService = new EventReaderCoreService(_bus, ioDispatcher, 10, writerCheckpoint, runHeadingReader: true);
_subscriptionDispatcher =
new ReaderSubscriptionDispatcher(_bus);
_spoolProcessingResponseDispatcher = new SpooledStreamReadingDispatcher(_bus);
_timeoutScheduler = new TimeoutScheduler();
_workerId = Guid.NewGuid();
_service = new ProjectionCoreService(
_workerId, _bus, _bus, _subscriptionDispatcher, new RealTimeProvider(), ioDispatcher,
_spoolProcessingResponseDispatcher, _timeoutScheduler);
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.CheckpointSuggested>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.CommittedEventReceived>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.EofReached>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.PartitionEofReached>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.PartitionMeasured>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.PartitionDeleted>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.ProgressChanged>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.SubscriptionStarted>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.NotAuthorized>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.ReaderAssignedReader>());
_bus.Subscribe(_spoolProcessingResponseDispatcher.CreateSubscriber <PartitionProcessingResult>());
_readerService.Handle(new Messages.ReaderCoreServiceMessage.StartReader());
_service.Handle(new ProjectionCoreServiceMessage.StartCore());
}
public ManagedProjection(
IPublisher coreQueue, Guid id, int projectionId, string name, bool enabledToRun, ILogger logger,
RequestResponseDispatcher <ClientMessage.WriteEvents, ClientMessage.WriteEventsCompleted> writeDispatcher,
RequestResponseDispatcher
<ClientMessage.ReadStreamEventsBackward, ClientMessage.ReadStreamEventsBackwardCompleted> readDispatcher,
IPublisher inputQueue, IPublisher output, ProjectionStateHandlerFactory projectionStateHandlerFactory,
ITimeProvider timeProvider, ISingletonTimeoutScheduler timeoutScheduler = null, bool isSlave = false,
IPublisher slaveResultsPublisher = null, Guid slaveMasterCorrelationId = default(Guid))
{
if (coreQueue == null)
{
throw new ArgumentNullException("coreQueue");
}
if (id == Guid.Empty)
{
throw new ArgumentException("id");
}
if (name == null)
{
throw new ArgumentNullException("name");
}
if (output == null)
{
throw new ArgumentNullException("output");
}
if (name == "")
{
throw new ArgumentException("name");
}
_coreQueue = coreQueue;
_id = id;
_projectionId = projectionId;
_name = name;
_enabledToRun = enabledToRun;
_logger = logger;
_writeDispatcher = writeDispatcher;
_readDispatcher = readDispatcher;
_inputQueue = inputQueue;
_output = output;
_projectionStateHandlerFactory = projectionStateHandlerFactory;
_timeProvider = timeProvider;
_timeoutScheduler = timeoutScheduler;
_isSlave = isSlave;
_slaveResultsPublisher = slaveResultsPublisher;
_slaveMasterCorrelationId = slaveMasterCorrelationId;
_getStateDispatcher =
new RequestResponseDispatcher
<CoreProjectionManagementMessage.GetState, CoreProjectionManagementMessage.StateReport>(
coreQueue, v => v.CorrelationId, v => v.CorrelationId, new PublishEnvelope(_inputQueue));
_getResultDispatcher =
new RequestResponseDispatcher
<CoreProjectionManagementMessage.GetResult, CoreProjectionManagementMessage.ResultReport>(
coreQueue, v => v.CorrelationId, v => v.CorrelationId, new PublishEnvelope(_inputQueue));
_lastAccessed = _timeProvider.Now;
}
public ProjectionWorkerNode(
Guid workerId,
TFChunkDb db,
IQueuedHandler inputQueue,
ITimeProvider timeProvider,
ISingletonTimeoutScheduler timeoutScheduler,
ProjectionType runProjections,
bool faultOutOfOrderProjections)
{
_runProjections = runProjections;
Ensure.NotNull(db, "db");
_coreOutput = new InMemoryBus("Core Output");
IPublisher publisher = CoreOutput;
_subscriptionDispatcher = new ReaderSubscriptionDispatcher(publisher);
_spoolProcessingResponseDispatcher = new SpooledStreamReadingDispatcher(publisher);
_ioDispatcher = new IODispatcher(publisher, new PublishEnvelope(inputQueue));
_eventReaderCoreService = new EventReaderCoreService(
publisher,
_ioDispatcher,
10,
db.Config.WriterCheckpoint,
runHeadingReader: runProjections >= ProjectionType.System,
faultOutOfOrderProjections: faultOutOfOrderProjections);
_feedReaderService = new FeedReaderService(_subscriptionDispatcher, timeProvider);
if (runProjections >= ProjectionType.System)
{
_projectionCoreServiceCommandReader = new ProjectionCoreServiceCommandReader(
publisher,
_ioDispatcher,
workerId.ToString("N"));
var multiStreamWriter = new MultiStreamMessageWriter(_ioDispatcher);
_slaveProjectionResponseWriter = new SlaveProjectionResponseWriter(multiStreamWriter);
_projectionCoreService = new ProjectionCoreService(
workerId,
inputQueue,
publisher,
_subscriptionDispatcher,
timeProvider,
_ioDispatcher,
_spoolProcessingResponseDispatcher,
timeoutScheduler);
var responseWriter = new ResponseWriter(_ioDispatcher);
_coreResponseWriter = new ProjectionCoreResponseWriter(responseWriter);
}
}
public ProjectionWorkerNode(
Guid workerId,
TFChunkDb db,
QueuedHandler inputQueue,
ITimeProvider timeProvider,
ISingletonTimeoutScheduler timeoutScheduler,
ProjectionType runProjections)
{
_runProjections = runProjections;
Ensure.NotNull(db, "db");
_coreOutput = new InMemoryBus("Core Output");
IPublisher publisher = CoreOutput;
_subscriptionDispatcher = new ReaderSubscriptionDispatcher(publisher);
_spoolProcessingResponseDispatcher = new SpooledStreamReadingDispatcher(publisher);
_ioDispatcher = new IODispatcher(publisher, new PublishEnvelope(inputQueue));
_eventReaderCoreService = new EventReaderCoreService(
publisher,
_ioDispatcher,
10,
db.Config.WriterCheckpoint,
runHeadingReader: runProjections >= ProjectionType.System);
_feedReaderService = new FeedReaderService(_subscriptionDispatcher, timeProvider);
if (runProjections >= ProjectionType.System)
{
_projectionCoreServiceCommandReader = new ProjectionCoreServiceCommandReader(
publisher,
_ioDispatcher,
workerId.ToString("N"));
var multiStreamWriter = new MultiStreamMessageWriter(_ioDispatcher);
_slaveProjectionResponseWriter = new SlaveProjectionResponseWriter(multiStreamWriter);
_projectionCoreService = new ProjectionCoreService(
workerId,
inputQueue,
publisher,
_subscriptionDispatcher,
timeProvider,
_ioDispatcher,
_spoolProcessingResponseDispatcher,
timeoutScheduler);
var responseWriter = new ResponseWriter(_ioDispatcher);
_coreResponseWriter = new ProjectionCoreResponseWriter(responseWriter);
}
}
public static IProjectionStateHandler CreateStateHandler(
ISingletonTimeoutScheduler singletonTimeoutScheduler,
ILogger logger,
string handlerType,
string query)
{
var stateHandler = new ProjectionStateHandlerFactory().Create(
handlerType,
query,
logger: logger.Trace,
cancelCallbackFactory:
singletonTimeoutScheduler == null ? (Action <int, Action>)null : singletonTimeoutScheduler.Schedule);
return(stateHandler);
}
public static IProjectionStateHandler CreateStateHandler(ProjectionStateHandlerFactory factory,
ISingletonTimeoutScheduler singletonTimeoutScheduler,
ILogger logger,
string handlerType,
string query,
bool enableContentTypeValidation)
{
var stateHandler = factory.Create(
handlerType,
query,
enableContentTypeValidation,
logger: logger.Verbose,
cancelCallbackFactory:
singletonTimeoutScheduler == null ? null : singletonTimeoutScheduler.Schedule);
return(stateHandler);
}
public ProjectionCoreService(
Guid workerId,
IPublisher inputQueue,
IPublisher publisher,
ReaderSubscriptionDispatcher subscriptionDispatcher,
ITimeProvider timeProvider,
IODispatcher ioDispatcher,
ISingletonTimeoutScheduler timeoutScheduler)
{
_workerId = workerId;
_inputQueue = inputQueue;
_publisher = publisher;
_ioDispatcher = ioDispatcher;
_timeoutScheduler = timeoutScheduler;
_subscriptionDispatcher = subscriptionDispatcher;
_timeProvider = timeProvider;
_processingStrategySelector = new ProcessingStrategySelector(_subscriptionDispatcher);
}
public ProjectionWorkerNode(
Guid workerId,
TFChunkDb db,
IQueuedHandler inputQueue,
ITimeProvider timeProvider,
ISingletonTimeoutScheduler timeoutScheduler,
ProjectionType runProjections,
bool faultOutOfOrderProjections,
IPublisher leaderOutputBus,
ProjectionsStandardComponents configuration)
{
_runProjections = runProjections;
Ensure.NotNull(db, "db");
_coreOutput = new InMemoryBus("Core Output");
_leaderOutputBus = leaderOutputBus;
IPublisher publisher = CoreOutput;
_subscriptionDispatcher = new ReaderSubscriptionDispatcher(publisher);
_ioDispatcher = new IODispatcher(publisher, new PublishEnvelope(inputQueue), true);
_eventReaderCoreService = new EventReaderCoreService(
publisher,
_ioDispatcher,
10,
db.Config.WriterCheckpoint,
runHeadingReader: runProjections >= ProjectionType.System,
faultOutOfOrderProjections: faultOutOfOrderProjections);
_feedReaderService = new FeedReaderService(_subscriptionDispatcher, timeProvider);
if (runProjections >= ProjectionType.System)
{
_projectionCoreService = new ProjectionCoreService(
workerId,
inputQueue,
publisher,
_subscriptionDispatcher,
timeProvider,
_ioDispatcher,
timeoutScheduler,
configuration);
}
}
public ProjectionCoreService(
Guid workerId,
IPublisher inputQueue,
IPublisher publisher,
ReaderSubscriptionDispatcher subscriptionDispatcher,
ITimeProvider timeProvider,
IODispatcher ioDispatcher,
ISingletonTimeoutScheduler timeoutScheduler, ProjectionsStandardComponents configuration)
{
_workerId = workerId;
_inputQueue = inputQueue;
_publisher = publisher;
_ioDispatcher = ioDispatcher;
_timeoutScheduler = timeoutScheduler;
_subscriptionDispatcher = subscriptionDispatcher;
_timeProvider = timeProvider;
_processingStrategySelector = new ProcessingStrategySelector(_subscriptionDispatcher);
_factory = new ProjectionStateHandlerFactory(TimeSpan.FromMilliseconds(configuration.ProjectionCompilationTimeout),
TimeSpan.FromMilliseconds(configuration.ProjectionExecutionTimeout), configuration.ProjectionRuntime);
}
public virtual void Setup()
{
_consumer = new TestHandler <Message>();
_bus = new InMemoryBus("temp");
_bus.Subscribe(_consumer);
ICheckpoint writerCheckpoint = new InMemoryCheckpoint(1000);
var ioDispatcher = new IODispatcher(_bus, new PublishEnvelope(_bus), true);
_readerService = new EventReaderCoreService(_bus, ioDispatcher, 10, writerCheckpoint,
runHeadingReader: true, faultOutOfOrderProjections: true);
_subscriptionDispatcher =
new ReaderSubscriptionDispatcher(_bus);
_timeoutScheduler = new TimeoutScheduler();
_workerId = Guid.NewGuid();
var guardBus = new GuardBusToTriggerFixingIfUsed();
var configuration = new ProjectionsStandardComponents(1, ProjectionType.All, guardBus, guardBus, guardBus, true,
500, 250);
_service = new ProjectionCoreService(
_workerId, _bus, _bus, _subscriptionDispatcher, new RealTimeProvider(), ioDispatcher, _timeoutScheduler, configuration);
_bus.Subscribe(
_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.CheckpointSuggested>());
_bus.Subscribe(_subscriptionDispatcher
.CreateSubscriber <EventReaderSubscriptionMessage.CommittedEventReceived>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.EofReached>());
_bus.Subscribe(
_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.PartitionEofReached>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.PartitionDeleted>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.ProgressChanged>());
_bus.Subscribe(
_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.SubscriptionStarted>());
_bus.Subscribe(_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.NotAuthorized>());
_bus.Subscribe(
_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.ReaderAssignedReader>());
var instanceCorrelationId = Guid.NewGuid();
_readerService.Handle(new ReaderCoreServiceMessage.StartReader(instanceCorrelationId));
_service.Handle(new ProjectionCoreServiceMessage.StartCore(instanceCorrelationId));
}
private void SetUpCoreServices(
Guid workerId,
IBus bus,
IPublisher inputQueue,
InMemoryBus output_,
ISingletonTimeoutScheduler timeoutScheduler)
{
var output = (output_ ?? inputQueue);
ICheckpoint writerCheckpoint = new InMemoryCheckpoint(1000);
var readerService = new EventReaderCoreService(
output,
_ioDispatcher,
10,
writerCheckpoint,
runHeadingReader: true);
_subscriptionDispatcher = new ReaderSubscriptionDispatcher(inputQueue);
var spoolProcessingResponseDispatcher = new SpooledStreamReadingDispatcher(GetInputQueue());
bus.Subscribe(
_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.CheckpointSuggested>());
bus.Subscribe(
_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.CommittedEventReceived>());
bus.Subscribe(_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.EofReached>());
bus.Subscribe(
_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.PartitionEofReached>());
bus.Subscribe(_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.PartitionMeasured>());
bus.Subscribe(_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.PartitionDeleted>());
bus.Subscribe(_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.ProgressChanged>());
bus.Subscribe(
_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.SubscriptionStarted>());
bus.Subscribe(_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.NotAuthorized>());
bus.Subscribe(
_subscriptionDispatcher.CreateSubscriber<EventReaderSubscriptionMessage.ReaderAssignedReader>());
bus.Subscribe(spoolProcessingResponseDispatcher.CreateSubscriber<PartitionProcessingResult>());
var ioDispatcher = new IODispatcher(output, new PublishEnvelope(inputQueue));
// var coreServiceCommandReader = new ProjectionCoreServiceCommandReader(
// output,
// ioDispatcher,
// workerId.ToString("N"));
var coreService = new ProjectionCoreService(
workerId,
inputQueue,
output,
_subscriptionDispatcher,
_timeProvider,
ioDispatcher,
spoolProcessingResponseDispatcher,
timeoutScheduler);
bus.Subscribe<CoreProjectionManagementMessage.CreateAndPrepare>(coreService);
bus.Subscribe<CoreProjectionManagementMessage.CreatePrepared>(coreService);
bus.Subscribe<CoreProjectionManagementMessage.CreateAndPrepareSlave>(coreService);
bus.Subscribe<CoreProjectionManagementMessage.Dispose>(coreService);
bus.Subscribe<CoreProjectionManagementMessage.Start>(coreService);
bus.Subscribe<CoreProjectionManagementMessage.LoadStopped>(coreService);
bus.Subscribe<CoreProjectionManagementMessage.Stop>(coreService);
bus.Subscribe<CoreProjectionManagementMessage.Kill>(coreService);
bus.Subscribe<CoreProjectionManagementMessage.GetState>(coreService);
bus.Subscribe<CoreProjectionManagementMessage.GetResult>(coreService);
bus.Subscribe<CoreProjectionProcessingMessage.CheckpointCompleted>(coreService);
bus.Subscribe<CoreProjectionProcessingMessage.CheckpointLoaded>(coreService);
bus.Subscribe<CoreProjectionProcessingMessage.PrerecordedEventsLoaded>(coreService);
bus.Subscribe<CoreProjectionProcessingMessage.RestartRequested>(coreService);
bus.Subscribe<CoreProjectionProcessingMessage.Failed>(coreService);
bus.Subscribe<ClientMessage.ReadStreamEventsForwardCompleted>(ioDispatcher.ForwardReader);
bus.Subscribe<ClientMessage.ReadStreamEventsBackwardCompleted>(ioDispatcher.BackwardReader);
bus.Subscribe<ClientMessage.WriteEventsCompleted>(ioDispatcher.Writer);
bus.Subscribe<ClientMessage.DeleteStreamCompleted>(ioDispatcher.StreamDeleter);
bus.Subscribe<IODispatcherDelayedMessage>(ioDispatcher.Awaker);
bus.Subscribe<IODispatcherDelayedMessage>(ioDispatcher);
bus.Subscribe<ProjectionCoreServiceMessage.StartCore>(coreService);
bus.Subscribe<ProjectionCoreServiceMessage.StopCore>(coreService);
bus.Subscribe<ReaderCoreServiceMessage.StartReader>(readerService);
bus.Subscribe<ReaderCoreServiceMessage.StopReader>(readerService);
bus.Subscribe<ProjectionCoreServiceMessage.CoreTick>(coreService);
bus.Subscribe<ProjectionManagementMessage.SlaveProjectionsStarted>(coreService);
bus.Subscribe<ReaderCoreServiceMessage.ReaderTick>(readerService);
bus.Subscribe<ReaderSubscriptionMessage.CommittedEventDistributed>(readerService);
bus.Subscribe<ReaderSubscriptionMessage.EventReaderEof>(readerService);
bus.Subscribe<ReaderSubscriptionMessage.EventReaderPartitionEof>(readerService);
bus.Subscribe<ReaderSubscriptionMessage.EventReaderPartitionDeleted>(readerService);
bus.Subscribe<ReaderSubscriptionMessage.EventReaderPartitionMeasured>(readerService);
bus.Subscribe<ReaderSubscriptionMessage.EventReaderNotAuthorized>(readerService);
bus.Subscribe<ReaderSubscriptionMessage.EventReaderIdle>(readerService);
bus.Subscribe<ReaderSubscriptionMessage.EventReaderStarting>(readerService);
bus.Subscribe<ReaderSubscriptionManagement.Pause>(readerService);
bus.Subscribe<ReaderSubscriptionManagement.Resume>(readerService);
bus.Subscribe<ReaderSubscriptionManagement.Subscribe>(readerService);
bus.Subscribe<ReaderSubscriptionManagement.Unsubscribe>(readerService);
bus.Subscribe<ReaderSubscriptionManagement.SpoolStreamReadingCore>(readerService);
bus.Subscribe<ReaderSubscriptionManagement.CompleteSpooledStreamReading>(readerService);
if (output_ != null)
{
bus.Subscribe(new UnwrapEnvelopeHandler());
output_.Subscribe(Forwarder.Create<CoreProjectionStatusMessage.StateReport>(GetInputQueue()));
output_.Subscribe(Forwarder.Create<CoreProjectionStatusMessage.ResultReport>(GetInputQueue()));
output_.Subscribe(Forwarder.Create<CoreProjectionStatusMessage.StatisticsReport>(GetInputQueue()));
output_.Subscribe(Forwarder.Create<CoreProjectionStatusMessage.Started>(GetInputQueue()));
output_.Subscribe(Forwarder.Create<CoreProjectionStatusMessage.Stopped>(GetInputQueue()));
output_.Subscribe(Forwarder.Create<CoreProjectionStatusMessage.Faulted>(GetInputQueue()));
output_.Subscribe(Forwarder.Create<CoreProjectionStatusMessage.Prepared>(GetInputQueue()));
output_.Subscribe(
Forwarder.Create<CoreProjectionManagementMessage.SlaveProjectionReaderAssigned>(GetInputQueue()));
output_.Subscribe(Forwarder.Create<CoreProjectionStatusMessage.ProjectionWorkerStarted>(GetInputQueue()));
output_.Subscribe(Forwarder.Create<ProjectionManagementMessage.Command.ControlMessage>(GetInputQueue()));
output_.Subscribe(Forwarder.Create<AwakeServiceMessage.SubscribeAwake>(GetInputQueue()));
output_.Subscribe(Forwarder.Create<AwakeServiceMessage.UnsubscribeAwake>(GetInputQueue()));
output_.Subscribe(Forwarder.Create<PartitionProcessingResultBase>(GetInputQueue()));
output_.Subscribe(Forwarder.Create<ReaderSubscriptionManagement.SpoolStreamReading>(GetInputQueue()));
output_.Subscribe(Forwarder.Create<PartitionProcessingResultOutputBase>(GetInputQueue()));
output_.Subscribe(Forwarder.Create<Message>(inputQueue)); // forward all
var forwarder = new RequestResponseQueueForwarder(
inputQueue: inputQueue,
externalRequestQueue: GetInputQueue());
// forwarded messages
output_.Subscribe<ClientMessage.ReadEvent>(forwarder);
output_.Subscribe<ClientMessage.ReadStreamEventsBackward>(forwarder);
output_.Subscribe<ClientMessage.ReadStreamEventsForward>(forwarder);
output_.Subscribe<ClientMessage.ReadAllEventsForward>(forwarder);
output_.Subscribe<ClientMessage.WriteEvents>(forwarder);
}
}
private void SetUpCoreServices(
Guid workerId,
IBus bus,
IPublisher inputQueue,
InMemoryBus output_,
ISingletonTimeoutScheduler timeoutScheduler)
{
var output = (output_ ?? inputQueue);
ICheckpoint writerCheckpoint = new InMemoryCheckpoint(1000);
var readerService = new EventReaderCoreService(
output,
_ioDispatcher,
10,
writerCheckpoint,
runHeadingReader: true, faultOutOfOrderProjections: true);
_subscriptionDispatcher = new ReaderSubscriptionDispatcher(inputQueue);
bus.Subscribe(
_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.CheckpointSuggested>());
bus.Subscribe(
_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.CommittedEventReceived>());
bus.Subscribe(_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.EofReached>());
bus.Subscribe(
_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.PartitionEofReached>());
bus.Subscribe(_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.PartitionDeleted>());
bus.Subscribe(_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.ProgressChanged>());
bus.Subscribe(
_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.SubscriptionStarted>());
bus.Subscribe(_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.NotAuthorized>());
bus.Subscribe(
_subscriptionDispatcher.CreateSubscriber <EventReaderSubscriptionMessage.ReaderAssignedReader>());
var ioDispatcher = new IODispatcher(output, new PublishEnvelope(inputQueue), true);
// var coreServiceCommandReader = new ProjectionCoreServiceCommandReader(
// output,
// ioDispatcher,
// workerId.ToString("N"));
var coreService = new ProjectionCoreService(
workerId,
inputQueue,
output,
_subscriptionDispatcher,
_timeProvider,
ioDispatcher,
timeoutScheduler);
bus.Subscribe <CoreProjectionManagementMessage.CreateAndPrepare>(coreService);
bus.Subscribe <CoreProjectionManagementMessage.CreatePrepared>(coreService);
bus.Subscribe <CoreProjectionManagementMessage.Dispose>(coreService);
bus.Subscribe <CoreProjectionManagementMessage.Start>(coreService);
bus.Subscribe <CoreProjectionManagementMessage.LoadStopped>(coreService);
bus.Subscribe <CoreProjectionManagementMessage.Stop>(coreService);
bus.Subscribe <CoreProjectionManagementMessage.Kill>(coreService);
bus.Subscribe <CoreProjectionManagementMessage.GetState>(coreService);
bus.Subscribe <CoreProjectionManagementMessage.GetResult>(coreService);
bus.Subscribe <CoreProjectionProcessingMessage.CheckpointCompleted>(coreService);
bus.Subscribe <CoreProjectionProcessingMessage.CheckpointLoaded>(coreService);
bus.Subscribe <CoreProjectionProcessingMessage.PrerecordedEventsLoaded>(coreService);
bus.Subscribe <CoreProjectionProcessingMessage.RestartRequested>(coreService);
bus.Subscribe <CoreProjectionProcessingMessage.Failed>(coreService);
bus.Subscribe <ClientMessage.ReadStreamEventsForwardCompleted>(ioDispatcher.ForwardReader);
bus.Subscribe <ClientMessage.ReadStreamEventsBackwardCompleted>(ioDispatcher.BackwardReader);
bus.Subscribe <ClientMessage.WriteEventsCompleted>(ioDispatcher.Writer);
bus.Subscribe <ClientMessage.DeleteStreamCompleted>(ioDispatcher.StreamDeleter);
bus.Subscribe <IODispatcherDelayedMessage>(ioDispatcher.Awaker);
bus.Subscribe <IODispatcherDelayedMessage>(ioDispatcher);
bus.Subscribe <ProjectionCoreServiceMessage.StartCore>(coreService);
bus.Subscribe <ProjectionCoreServiceMessage.StopCore>(coreService);
bus.Subscribe <ReaderCoreServiceMessage.StartReader>(readerService);
bus.Subscribe <ReaderCoreServiceMessage.StopReader>(readerService);
bus.Subscribe <ProjectionCoreServiceMessage.CoreTick>(coreService);
bus.Subscribe <ReaderSubscriptionMessage.CommittedEventDistributed>(readerService);
bus.Subscribe <ReaderSubscriptionMessage.EventReaderEof>(readerService);
bus.Subscribe <ReaderSubscriptionMessage.EventReaderPartitionEof>(readerService);
bus.Subscribe <ReaderSubscriptionMessage.EventReaderPartitionDeleted>(readerService);
bus.Subscribe <ReaderSubscriptionMessage.EventReaderNotAuthorized>(readerService);
bus.Subscribe <ReaderSubscriptionMessage.EventReaderIdle>(readerService);
bus.Subscribe <ReaderSubscriptionMessage.EventReaderStarting>(readerService);
bus.Subscribe <ReaderSubscriptionManagement.Pause>(readerService);
bus.Subscribe <ReaderSubscriptionManagement.Resume>(readerService);
bus.Subscribe <ReaderSubscriptionManagement.Subscribe>(readerService);
bus.Subscribe <ReaderSubscriptionManagement.Unsubscribe>(readerService);
if (output_ != null)
{
bus.Subscribe(new UnwrapEnvelopeHandler());
output_.Subscribe(Forwarder.Create <CoreProjectionStatusMessage.StateReport>(GetInputQueue()));
output_.Subscribe(Forwarder.Create <CoreProjectionStatusMessage.ResultReport>(GetInputQueue()));
output_.Subscribe(Forwarder.Create <CoreProjectionStatusMessage.StatisticsReport>(GetInputQueue()));
output_.Subscribe(Forwarder.Create <CoreProjectionStatusMessage.Started>(GetInputQueue()));
output_.Subscribe(Forwarder.Create <CoreProjectionStatusMessage.Stopped>(GetInputQueue()));
output_.Subscribe(Forwarder.Create <CoreProjectionStatusMessage.Faulted>(GetInputQueue()));
output_.Subscribe(Forwarder.Create <CoreProjectionStatusMessage.Prepared>(GetInputQueue()));
output_.Subscribe(
Forwarder.Create <ProjectionManagementMessage.Command.ControlMessage>(GetInputQueue()));
output_.Subscribe(Forwarder.Create <AwakeServiceMessage.SubscribeAwake>(GetInputQueue()));
output_.Subscribe(Forwarder.Create <AwakeServiceMessage.UnsubscribeAwake>(GetInputQueue()));
output_.Subscribe(Forwarder.Create <Message>(inputQueue)); // forward all
var forwarder = new RequestResponseQueueForwarder(
inputQueue: inputQueue,
externalRequestQueue: GetInputQueue());
// forwarded messages
output_.Subscribe <ClientMessage.ReadEvent>(forwarder);
output_.Subscribe <ClientMessage.ReadStreamEventsBackward>(forwarder);
output_.Subscribe <ClientMessage.ReadStreamEventsForward>(forwarder);
output_.Subscribe <ClientMessage.ReadAllEventsForward>(forwarder);
output_.Subscribe <ClientMessage.WriteEvents>(forwarder);
}
}
public ManagedProjection(
IPublisher coreQueue, Guid id, int projectionId, string name, bool enabledToRun, ILogger logger,
RequestResponseDispatcher<ClientMessage.WriteEvents, ClientMessage.WriteEventsCompleted> writeDispatcher,
RequestResponseDispatcher
<ClientMessage.ReadStreamEventsBackward, ClientMessage.ReadStreamEventsBackwardCompleted> readDispatcher,
IPublisher inputQueue, IPublisher output, ProjectionStateHandlerFactory projectionStateHandlerFactory,
ITimeProvider timeProvider, ISingletonTimeoutScheduler timeoutScheduler = null, bool isSlave = false,
IPublisher slaveResultsPublisher = null, Guid slaveMasterCorrelationId = default(Guid))
{
if (coreQueue == null) throw new ArgumentNullException("coreQueue");
if (id == Guid.Empty) throw new ArgumentException("id");
if (name == null) throw new ArgumentNullException("name");
if (output == null) throw new ArgumentNullException("output");
if (name == "") throw new ArgumentException("name");
_coreQueue = coreQueue;
_id = id;
_projectionId = projectionId;
_name = name;
_enabledToRun = enabledToRun;
_logger = logger;
_writeDispatcher = writeDispatcher;
_readDispatcher = readDispatcher;
_inputQueue = inputQueue;
_output = output;
_projectionStateHandlerFactory = projectionStateHandlerFactory;
_timeProvider = timeProvider;
_timeoutScheduler = timeoutScheduler;
_isSlave = isSlave;
_slaveResultsPublisher = slaveResultsPublisher;
_slaveMasterCorrelationId = slaveMasterCorrelationId;
_getStateDispatcher =
new RequestResponseDispatcher
<CoreProjectionManagementMessage.GetState, CoreProjectionManagementMessage.StateReport>(
coreQueue, v => v.CorrelationId, v => v.CorrelationId, new PublishEnvelope(_inputQueue));
_getResultDispatcher =
new RequestResponseDispatcher
<CoreProjectionManagementMessage.GetResult, CoreProjectionManagementMessage.ResultReport>(
coreQueue, v => v.CorrelationId, v => v.CorrelationId, new PublishEnvelope(_inputQueue));
_lastAccessed = _timeProvider.Now;
}