public void setup()
{
var builder = new CheckpointStrategy.Builder();
builder.FromStream("stream1");
builder.AllEvents();
_strategy = builder.Build(ProjectionMode.Persistent);
}
public void setup()
{
var builder = new CheckpointStrategy.Builder();
builder.FromStream("stream1");
builder.AllEvents();
_strategy = builder.Build(ProjectionConfig.GetTest());
}
protected ProjectionSubscriptionBase(
Guid projectionCorrelationId, Guid subscriptionId, CheckpointTag from,
IHandle<ProjectionSubscriptionMessage.CommittedEventReceived> eventHandler,
IHandle<ProjectionSubscriptionMessage.CheckpointSuggested> checkpointHandler,
IHandle<ProjectionSubscriptionMessage.ProgressChanged> progressHandler,
IHandle<ProjectionSubscriptionMessage.EofReached> eofHandler,
CheckpointStrategy checkpointStrategy, long? checkpointUnhandledBytesThreshold, bool stopOnEof)
{
if (eventHandler == null) throw new ArgumentNullException("eventHandler");
if (checkpointHandler == null) throw new ArgumentNullException("checkpointHandler");
if (progressHandler == null) throw new ArgumentNullException("progressHandler");
if (eofHandler == null) throw new ArgumentNullException("eofHandler");
if (checkpointStrategy == null) throw new ArgumentNullException("checkpointStrategy");
_eventHandler = eventHandler;
_checkpointHandler = checkpointHandler;
_progressHandler = progressHandler;
_eofHandler = eofHandler;
_checkpointStrategy = checkpointStrategy;
_checkpointUnhandledBytesThreshold = checkpointUnhandledBytesThreshold;
_stopOnEof = stopOnEof;
_projectionCorrelationId = projectionCorrelationId;
_subscriptionId = subscriptionId;
_lastPassedOrCheckpointedEventPosition = null;
_eventFilter = checkpointStrategy.EventFilter;
_positionTagger = checkpointStrategy.PositionTagger;
_positionTracker = new PositionTracker(_positionTagger);
_positionTracker.UpdateByCheckpointTagInitial(@from);
}
public ProjectionSubscription(
Guid projectionCorrelationId, CheckpointTag from,
IHandle <ProjectionMessage.Projections.CommittedEventReceived> eventHandler,
IHandle <ProjectionMessage.Projections.CheckpointSuggested> checkpointHandler,
CheckpointStrategy checkpointStrategy, long?checkpointUnhandledBytesThreshold)
{
if (eventHandler == null)
{
throw new ArgumentNullException("eventHandler");
}
if (checkpointHandler == null)
{
throw new ArgumentNullException("checkpointHandler");
}
if (checkpointStrategy == null)
{
throw new ArgumentNullException("checkpointStrategy");
}
_eventHandler = eventHandler;
_checkpointHandler = checkpointHandler;
_checkpointStrategy = checkpointStrategy;
_checkpointUnhandledBytesThreshold = checkpointUnhandledBytesThreshold;
_projectionCorrelationId = projectionCorrelationId;
_lastPassedOrCheckpointedEventPosition = from.Position;
_eventFilter = checkpointStrategy.EventFilter;
_positionTagger = checkpointStrategy.PositionTagger;
_positionTracker = new PositionTracker(_positionTagger);
_positionTracker.UpdateByCheckpointTagInitial(from);
}
public Subscribe(
Guid correlationId, Guid subscriptionId, ICoreProjection subscriber, CheckpointTag from,
CheckpointStrategy checkpointStrategy, long checkpointUnhandledBytesThreshold, bool stopOnEof = false)
{
_correlationId = correlationId;
_subscriptionId = subscriptionId;
_subscriber = subscriber;
_fromPosition = @from;
_checkpointStrategy = checkpointStrategy;
_checkpointUnhandledBytesThreshold = checkpointUnhandledBytesThreshold;
_stopOnEof = stopOnEof;
}
public CoreProjection(
string name, Guid projectionCorrelationId, IPublisher publisher,
IProjectionStateHandler projectionStateHandler, ProjectionConfig projectionConfig,
RequestResponseDispatcher
<ClientMessage.ReadStreamEventsBackward, ClientMessage.ReadStreamEventsBackwardCompleted> readDispatcher,
RequestResponseDispatcher <ClientMessage.WriteEvents, ClientMessage.WriteEventsCompleted> writeDispatcher,
ILogger logger = null)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (name == "")
{
throw new ArgumentException("name");
}
if (publisher == null)
{
throw new ArgumentNullException("publisher");
}
if (projectionStateHandler == null)
{
throw new ArgumentNullException("projectionStateHandler");
}
_projectionStateHandler = projectionStateHandler;
_projectionCorrelationId = projectionCorrelationId;
var namingBuilder = new ProjectionNamesBuilder();
_projectionStateHandler.ConfigureSourceProcessingStrategy(namingBuilder);
_name = namingBuilder.ForceProjectionName ?? name;
//TODO: move into name builder
_stateStreamNamePattern = namingBuilder.StateStreamName ?? ProjectionsStreamPrefix + _name + "-{0}" + ProjectionsStateStreamSuffix;
_stateStreamName = namingBuilder.StateStreamName ?? ProjectionsStreamPrefix + _name + ProjectionsStateStreamSuffix;
_projectionConfig = projectionConfig;
_logger = logger;
_publisher = publisher;
_readDispatcher = readDispatcher;
_writeDispatcher = writeDispatcher;
var builder = new CheckpointStrategy.Builder();
_projectionStateHandler.ConfigureSourceProcessingStrategy(builder);
_checkpointStrategy = builder.Build(_projectionConfig.Mode);
_partitionStateCache = new PartitionStateCache();
_processingQueue = new CoreProjectionQueue(
projectionCorrelationId, publisher, projectionConfig.PendingEventsThreshold, UpdateStatistics);
_checkpointManager = this._checkpointStrategy.CreateCheckpointManager(
this, projectionCorrelationId, this._publisher, this._readDispatcher,
this._writeDispatcher, this._projectionConfig, this._name, _stateStreamName);
GoToState(State.Initial);
}
public EventReorderingProjectionSubscription(
Guid projectionCorrelationId, Guid subscriptionId, CheckpointTag from,
IHandle<ProjectionSubscriptionMessage.CommittedEventReceived> eventHandler,
IHandle<ProjectionSubscriptionMessage.CheckpointSuggested> checkpointHandler,
IHandle<ProjectionSubscriptionMessage.ProgressChanged> progressHandler,
IHandle<ProjectionSubscriptionMessage.EofReached> eofHandler,
CheckpointStrategy checkpointStrategy, long? checkpointUnhandledBytesThreshold, int processingLagMs,
bool stopOnEof = false)
: base(
projectionCorrelationId, subscriptionId, @from, eventHandler, checkpointHandler, progressHandler, eofHandler,
checkpointStrategy, checkpointUnhandledBytesThreshold, stopOnEof)
{
_processingLagMs = processingLagMs;
}
public void setup()
{
_checkpointUnhandledBytesThreshold = 1000;
Given();
_bus = new FakePublisher();
_projectionCorrelationId = Guid.NewGuid();
_eventHandler = new TestHandler<ProjectionSubscriptionMessage.CommittedEventReceived>();
_checkpointHandler = new TestHandler<ProjectionSubscriptionMessage.CheckpointSuggested>();
_progressHandler = new TestHandler<ProjectionSubscriptionMessage.ProgressChanged>();
_eofHandler = new TestHandler<ProjectionSubscriptionMessage.EofReached>();
_checkpointStrategy = CreateCheckpointStrategy();
_subscription = CreateProjectionSubscription();
When();
}
public CoreProjection(
string name, Guid projectionCorrelationId, IPublisher publisher,
IProjectionStateHandler projectionStateHandler, ProjectionConfig projectionConfig, ILogger logger = null)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (name == "")
{
throw new ArgumentException("name");
}
if (publisher == null)
{
throw new ArgumentNullException("publisher");
}
if (projectionStateHandler == null)
{
throw new ArgumentNullException("projectionStateHandler");
}
_projectionCorrelationId = projectionCorrelationId;
_name = name;
_projectionConfig = projectionConfig;
_logger = logger;
_publisher = publisher;
_projectionStateHandler = projectionStateHandler;
_readDispatcher =
new RequestResponseDispatcher
<ClientMessage.ReadEventsBackwards, ClientMessage.ReadEventsBackwardsCompleted>(
_publisher, v => v.CorrelationId, v => v.CorrelationId);
_projectionCheckpointStreamId = ProjectionsStreamPrefix + _name + ProjectionCheckpointStreamSuffix;
var builder = new CheckpointStrategy.Builder();
_projectionStateHandler.ConfigureSourceProcessingStrategy(builder);
_checkpointStrategy = builder.Build(_projectionConfig.Mode);
_eventFilter = _checkpointStrategy.EventFilter;
_lastProcessedEventPosition = new PositionTracker(_checkpointStrategy.PositionTagger);
_partitionStateCache = new PartitionStateCache();
GoToState(State.Initial);
}
public ProjectionSubscription(
Guid projectionCorrelationId, CheckpointTag from,
IHandle<ProjectionMessage.Projections.CommittedEventReceived> eventHandler,
IHandle<ProjectionMessage.Projections.CheckpointSuggested> checkpointHandler,
CheckpointStrategy checkpointStrategy, long? checkpointUnhandledBytesThreshold)
{
if (eventHandler == null) throw new ArgumentNullException("eventHandler");
if (checkpointHandler == null) throw new ArgumentNullException("checkpointHandler");
if (checkpointStrategy == null) throw new ArgumentNullException("checkpointStrategy");
_eventHandler = eventHandler;
_checkpointHandler = checkpointHandler;
_checkpointStrategy = checkpointStrategy;
_checkpointUnhandledBytesThreshold = checkpointUnhandledBytesThreshold;
_projectionCorrelationId = projectionCorrelationId;
_lastPassedOrCheckpointedEventPosition = from.Position;
_eventFilter = checkpointStrategy.EventFilter;
_positionTagger = checkpointStrategy.PositionTagger;
_positionTracker = new PositionTracker(_positionTagger);
_positionTracker.UpdateByCheckpointTagInitial(from);
}
public Subscribe(
Guid correlationId, ICoreProjection subscriber, CheckpointTag from,
CheckpointStrategy checkpointStrategy, long checkpointUnhandledBytesThreshold)
{
_correlationId = correlationId;
_subscriber = subscriber;
_fromPosition = @from;
_checkpointStrategy = checkpointStrategy;
_checkpointUnhandledBytesThreshold = checkpointUnhandledBytesThreshold;
}
public Subscribe(
Guid correlationId, Guid subscriptionId, ICoreProjection subscriber, CheckpointTag from,
CheckpointStrategy checkpointStrategy, long checkpointUnhandledBytesThreshold, bool stopOnEof = false)
{
if (subscriber == null) throw new ArgumentNullException("subscriber");
if (@from == null) throw new ArgumentNullException("from");
if (checkpointStrategy == null) throw new ArgumentNullException("checkpointStrategy");
_correlationId = correlationId;
_subscriptionId = subscriptionId;
_subscriber = subscriber;
_fromPosition = @from;
_checkpointStrategy = checkpointStrategy;
_checkpointUnhandledBytesThreshold = checkpointUnhandledBytesThreshold;
_stopOnEof = stopOnEof;
}
