public void setup()
{
_readyHandler = new TestMessageHandler<ProjectionMessage.Projections.ReadyForCheckpoint>();
_checkpoint = new ProjectionCheckpoint(
new FakePublisher(), _readyHandler, false, CheckpointTag.FromPosition(0, -1), 250);
_checkpoint.Start();
}
public void setup()
{
_readyHandler = new TestCheckpointManagerMessageHandler();
_checkpoint = new ProjectionCheckpoint(
_readDispatcher, _writeDispatcher, new ProjectionVersion(1, 0, 0), null, _readyHandler,
CheckpointTag.FromPosition(100, 50), new TransactionFilePositionTagger(),
CheckpointTag.FromPosition(0, -1), 250);
_checkpoint.ValidateOrderAndEmitEvents(
new[]
{
new EmittedDataEvent(
"stream2", Guid.NewGuid(), "type", "data2", null, CheckpointTag.FromPosition(120, 110), null),
new EmittedDataEvent(
"stream3", Guid.NewGuid(), "type", "data3", null, CheckpointTag.FromPosition(120, 110), null),
new EmittedDataEvent(
"stream2", Guid.NewGuid(), "type", "data4", null, CheckpointTag.FromPosition(120, 110), null),
});
_checkpoint.ValidateOrderAndEmitEvents(
new[]
{
new EmittedDataEvent(
"stream1", Guid.NewGuid(), "type", "data", null, CheckpointTag.FromPosition(140, 130), null)
});
_checkpoint.Start();
}
public void setup()
{
_readyHandler = new TestCheckpointManagerMessageHandler();
_checkpoint = new ProjectionCheckpoint(
_ioDispatcher, new ProjectionVersion(1, 0, 0), null, _readyHandler,
CheckpointTag.FromPosition(0, 100, 50), new TransactionFilePositionTagger(0),
CheckpointTag.FromPosition(0, 0, -1), 250);
_checkpoint.Start();
_checkpoint.ValidateOrderAndEmitEvents(
new[]
{
new EmittedEventEnvelope(
new EmittedDataEvent(
"stream2", Guid.NewGuid(), "type", true, "data2", null, CheckpointTag.FromPosition(0, 120, 110), null)),
new EmittedEventEnvelope(
new EmittedDataEvent(
"stream2", Guid.NewGuid(), "type", true, "data4", null, CheckpointTag.FromPosition(0, 120, 110), null)),
});
_checkpoint.ValidateOrderAndEmitEvents(
new[]
{
new EmittedEventEnvelope(
new EmittedDataEvent(
"stream1", Guid.NewGuid(), "type", true, "data", null, CheckpointTag.FromPosition(0, 140, 130), null))
});
var writes = _consumer.HandledMessages.OfType<ClientMessage.WriteEvents>().ToArray();
writes[0].Envelope.ReplyWith(new ClientMessage.WriteEventsCompleted(writes[0].CorrelationId, 0, 0));
writes[1].Envelope.ReplyWith(new ClientMessage.WriteEventsCompleted(writes[1].CorrelationId, 0, 0));
_checkpoint.Prepare(CheckpointTag.FromPosition(0, 200, 150));
//TODO: test whether checkpoint does not allow positions before last emitted event caused by position
}
public void setup()
{
_readyHandler = new TestCheckpointManagerMessageHandler();
_checkpoint = new ProjectionCheckpoint(
_ioDispatcher, new ProjectionVersion(1, 0, 0), null, _readyHandler,
CheckpointTag.FromPosition(0, 100, 50), new TransactionFilePositionTagger(0),
CheckpointTag.FromPosition(0, 0, -1), 250);
_checkpoint.Start();
_checkpoint.ValidateOrderAndEmitEvents(
new[]
{
new EmittedEventEnvelope(
new EmittedDataEvent(
"stream2", Guid.NewGuid(), "type", true, "data2", null, CheckpointTag.FromPosition(0, 120, 110), null)),
new EmittedEventEnvelope(
new EmittedDataEvent(
"stream2", Guid.NewGuid(), "type", true, "data4", null, CheckpointTag.FromPosition(0, 120, 110), null)),
});
_checkpoint.ValidateOrderAndEmitEvents(
new[]
{
new EmittedEventEnvelope(
new EmittedDataEvent(
"stream1", Guid.NewGuid(), "type", true, "data", null, CheckpointTag.FromPosition(0, 140, 130), null))
});
_checkpoint.ValidateOrderAndEmitEvents(
new[]
{
new EmittedEventEnvelope(
new EmittedDataEvent(
"stream1", Guid.NewGuid(), "type", true, "data", null, CheckpointTag.FromPosition(0, 160, 150), null))
});
_checkpoint.Prepare(CheckpointTag.FromPosition(0, 200, 150));
}
public void setup()
{
_readyHandler = new TestCheckpointManagerMessageHandler();;
_checkpoint = new ProjectionCheckpoint(
new FakePublisher(), _readyHandler, CheckpointTag.FromPosition(0, -1), CheckpointTag.FromPosition(0, -1), 250);
_checkpoint.Start();
}
public void setup()
{
_readyHandler = new TestCheckpointManagerMessageHandler();
_checkpoint = new ProjectionCheckpoint(
_ioDispatcher, new ProjectionVersion(1, 0, 0), null, _readyHandler,
CheckpointTag.FromPosition(0, 0, -1), new TransactionFilePositionTagger(0), 250);
_checkpoint.Start();
}
public virtual void Start(CheckpointTag checkpointTag)
{
Contract.Requires(_currentCheckpoint == null);
if (_started)
{
throw new InvalidOperationException("Already started");
}
_started = true;
_lastProcessedEventPosition.UpdateByCheckpointTagInitial(checkpointTag);
_lastProcessedEventProgress = -1;
_lastCompletedCheckpointPosition = checkpointTag;
_requestedCheckpointPosition = null;
_currentCheckpoint = CreateProjectionCheckpoint(_lastProcessedEventPosition.LastTag);
_currentCheckpoint.Start();
}
private void EnterSubscribed()
{
_lastEnqueuedEventTag = _checkpointStrategy.PositionTagger.MakeZeroCheckpointTag();
_requestedCheckpointPosition = null;
_currentCheckpoint = new ProjectionCheckpoint(
_publisher, this, _recoveryMode, _lastProcessedEventPosition.LastTag,
_projectionConfig.MaxWriteBatchLength, _logger);
_currentCheckpoint.Start();
_publisher.Publish(
new ProjectionMessage.Projections.SubscribeProjection(
_projectionCorrelationId, this, _lastProcessedEventPosition.LastTag, _checkpointStrategy,
_projectionConfig.CheckpointUnhandledBytesThreshold));
_publisher.Publish(new ProjectionMessage.Projections.Started(_projectionCorrelationId));
GoToState(State.Running);
}
protected void CheckpointWritten()
{
_lastCompletedCheckpointPosition = _requestedCheckpointPosition;
_closingCheckpoint = null;
if (!_stopping)
{
// ignore any writes pending in the current checkpoint (this is not the best, but they will never hit the storage, so it is safe)
_currentCheckpoint.Start();
}
_inCheckpoint = false;
ProcessCheckpoints();
_coreProjection.Handle(
new CoreProjectionProcessingMessage.CheckpointCompleted(_lastCompletedCheckpointPosition));
}
public void setup()
{
_readyHandler = new TestCheckpointManagerMessageHandler();;
_checkpoint = new ProjectionCheckpoint(_bus, _readyHandler, CheckpointTag.FromPosition(100, 50), CheckpointTag.FromPosition(0, -1), 250);
_checkpoint.Start();
_checkpoint.ValidateOrderAndEmitEvents(
new[]
{
new EmittedEvent("stream2", Guid.NewGuid(), "type", "data2", CheckpointTag.FromPosition(120, 110), null),
new EmittedEvent("stream2", Guid.NewGuid(), "type", "data4", CheckpointTag.FromPosition(120, 110), null),
});
_checkpoint.ValidateOrderAndEmitEvents(
new[] {new EmittedEvent("stream1", Guid.NewGuid(), "type", "data", CheckpointTag.FromPosition(140, 130), null)});
_checkpoint.ValidateOrderAndEmitEvents(
new[] {new EmittedEvent("stream1", Guid.NewGuid(), "type", "data", CheckpointTag.FromPosition(160, 150), null)});
_checkpoint.Prepare(CheckpointTag.FromPosition(200, 150));
}
public void setup()
{
_readyHandler = new TestMessageHandler<ProjectionMessage.Projections.ReadyForCheckpoint>();
_checkpoint = new ProjectionCheckpoint(_bus, _readyHandler, false, CheckpointTag.FromPosition(100, 50), 250);
_checkpoint.Start();
_checkpoint.EmitEvents(
new[]
{
new EmittedEvent("stream2", Guid.NewGuid(), "type", "data2"),
new EmittedEvent("stream3", Guid.NewGuid(), "type", "data3"),
new EmittedEvent("stream2", Guid.NewGuid(), "type", "data4"),
},
CheckpointTag.FromPosition(120, 110));
_checkpoint.EmitEvents(
new[] {new EmittedEvent("stream1", Guid.NewGuid(), "type", "data")},
CheckpointTag.FromPosition(140, 130));
}
protected void CheckpointWritten(CheckpointTag lastCompletedCheckpointPosition)
{
Contract.Requires(_closingCheckpoint != null);
_lastCompletedCheckpointPosition = lastCompletedCheckpointPosition;
_closingCheckpoint.Dispose();
_closingCheckpoint = null;
if (!_stopping)
{
// ignore any writes pending in the current checkpoint (this is not the best, but they will never hit the storage, so it is safe)
_currentCheckpoint.Start();
}
_inCheckpoint = false;
//NOTE: the next checkpoint will start by completing checkpoint work item
_publisher.Publish(
new CoreProjectionProcessingMessage.CheckpointCompleted(
_projectionCorrelationId, _lastCompletedCheckpointPosition));
}
public void Start(CheckpointTag checkpointTag)
{
if (!_stateLoaded)
{
throw new InvalidOperationException("State is not loaded");
}
if (_started)
{
throw new InvalidOperationException("Already started");
}
_started = true;
_lastProcessedEventPosition.UpdateByCheckpointTagInitial(checkpointTag);
_lastCompletedCheckpointPosition = checkpointTag;
_requestedCheckpointPosition = null;
_currentCheckpoint = new ProjectionCheckpoint(
_publisher, this, _lastProcessedEventPosition.LastTag, _projectionConfig.MaxWriteBatchLength, _logger);
_currentCheckpoint.Start();
}
public void setup()
{
_readyHandler = new TestCheckpointManagerMessageHandler();;
_checkpoint = new ProjectionCheckpoint(_bus, _readyHandler, CheckpointTag.FromPosition(100, 50), CheckpointTag.FromPosition(0, -1), 250);
_checkpoint.Start();
_checkpoint.EmitEvents(
new[]
{
new EmittedEvent("stream2", Guid.NewGuid(), "type", "data2", CheckpointTag.FromPosition(120, 110), null),
new EmittedEvent("stream2", Guid.NewGuid(), "type", "data4", CheckpointTag.FromPosition(120, 110), null),
}
);
_checkpoint.EmitEvents(
new[] {new EmittedEvent("stream1", Guid.NewGuid(), "type", "data",
CheckpointTag.FromPosition(140, 130), null)});
var writes = _consumer.HandledMessages.OfType<ClientMessage.WriteEvents>().ToArray();
writes[0].Envelope.ReplyWith(
new ClientMessage.WriteEventsCompleted(writes[0].CorrelationId, writes[0].EventStreamId, 0));
writes[1].Envelope.ReplyWith(
new ClientMessage.WriteEventsCompleted(writes[1].CorrelationId, writes[1].EventStreamId, 0));
_checkpoint.Prepare(CheckpointTag.FromPosition(200, 150));
//TODO: test whether checkpoint does not allow positions before last emitted event caused by position
}
public void Start(CheckpointTag checkpointTag)
{
if (!_stateLoaded)
throw new InvalidOperationException("State is not loaded");
if (_started)
throw new InvalidOperationException("Already started");
_started = true;
_lastProcessedEventPosition.UpdateByCheckpointTagInitial(checkpointTag);
_lastProcessedEventProgress = -1;
_lastCompletedCheckpointPosition = checkpointTag;
_requestedCheckpointPosition = null;
_currentCheckpoint = new ProjectionCheckpoint(
_publisher, this, _lastProcessedEventPosition.LastTag, _positionTagger.MakeZeroCheckpointTag(), _projectionConfig.MaxWriteBatchLength, _logger);
_currentCheckpoint.Start();
}
public virtual void Start(CheckpointTag checkpointTag)
{
Contract.Requires(_currentCheckpoint == null);
if (_started)
throw new InvalidOperationException("Already started");
_started = true;
_lastProcessedEventPosition.UpdateByCheckpointTagInitial(checkpointTag);
_lastProcessedEventProgress = -1;
_lastCompletedCheckpointPosition = checkpointTag;
_requestedCheckpointPosition = null;
_currentCheckpoint = CreateProjectionCheckpoint(_lastProcessedEventPosition.LastTag);
_currentCheckpoint.Start();
}