private void DeliverEvent(EventStore.Core.Data.ResolvedEvent pair, float progress, ref long sequenceNumber)
{
EventRecord positionEvent = pair.OriginalEvent;
if (positionEvent.EventNumber != sequenceNumber)
{
// This can happen when the original stream has $maxAge/$maxCount set
_publisher.Publish(new ReaderSubscriptionMessage.Faulted(EventReaderCorrelationId, string.Format(
"Event number {0} was expected in the stream {1}, but event number {2} was received. This may happen if events have been deleted from the beginning of your stream, please reset your projection.",
sequenceNumber, _streamName, positionEvent.EventNumber), this.GetType()));
return;
}
sequenceNumber = positionEvent.EventNumber + 1;
var resolvedEvent = new ResolvedEvent(pair, null);
string deletedPartitionStreamId;
if (resolvedEvent.IsLinkToDeletedStream && !resolvedEvent.IsLinkToDeletedStreamTombstone)
{
return;
}
bool isDeletedStreamEvent =
StreamDeletedHelper.IsStreamDeletedEventOrLinkToStreamDeletedEvent(resolvedEvent, pair.ResolveResult,
out deletedPartitionStreamId);
if (isDeletedStreamEvent)
{
var deletedPartition = deletedPartitionStreamId;
if (_produceStreamDeletes)
{
_publisher.Publish(
//TODO: publish both link and event data
new ReaderSubscriptionMessage.EventReaderPartitionDeleted(
EventReaderCorrelationId, deletedPartition, source: this.GetType(), lastEventNumber: -1,
deleteEventOrLinkTargetPosition: null,
deleteLinkOrEventPosition: resolvedEvent.EventOrLinkTargetPosition,
positionStreamId: resolvedEvent.PositionStreamId,
positionEventNumber: resolvedEvent.PositionSequenceNumber));
}
}
else if (!resolvedEvent.IsStreamDeletedEvent)
{
_publisher.Publish(
//TODO: publish both link and event data
new ReaderSubscriptionMessage.CommittedEventDistributed(
EventReaderCorrelationId, resolvedEvent, _stopOnEof ? (long?)null : positionEvent.LogPosition,
progress, source: this.GetType()));
}
}
private void DeliverEvent(EventStore.Core.Data.ResolvedEvent pair, float progress, ref int sequenceNumber)
{
EventRecord positionEvent = pair.OriginalEvent;
if (positionEvent.EventNumber != sequenceNumber)
{
throw new InvalidOperationException(
string.Format(
"Event number {0} was expected in the stream {1}, but event number {2} was received",
sequenceNumber, _streamName, positionEvent.EventNumber));
}
sequenceNumber = positionEvent.EventNumber + 1;
var resolvedEvent = new ResolvedEvent(pair, null);
string deletedPartitionStreamId;
if (resolvedEvent.IsLinkToDeletedStream && !resolvedEvent.IsLinkToDeletedStreamTombstone)
{
return;
}
bool isDeletedStreamEvent = StreamDeletedHelper.IsStreamDeletedEventOrLinkToStreamDeletedEvent(resolvedEvent, out deletedPartitionStreamId);
if (isDeletedStreamEvent)
{
var deletedPartition = deletedPartitionStreamId;
if (_produceStreamDeletes)
{
_publisher.Publish(
//TODO: publish both link and event data
new ReaderSubscriptionMessage.EventReaderPartitionDeleted(
EventReaderCorrelationId, deletedPartition, source: this.GetType(), lastEventNumber: -1,
deleteEventOrLinkTargetPosition: null, deleteLinkOrEventPosition: resolvedEvent.EventOrLinkTargetPosition,
positionStreamId: resolvedEvent.PositionStreamId,
positionEventNumber: resolvedEvent.PositionSequenceNumber));
}
}
else if (!resolvedEvent.IsStreamDeletedEvent)
{
_publisher.Publish(
//TODO: publish both link and event data
new ReaderSubscriptionMessage.CommittedEventDistributed(
EventReaderCorrelationId, resolvedEvent, _stopOnEof ? (long?)null : positionEvent.LogPosition,
progress, source: this.GetType()));
}
}
protected void DeliverEvent(float progress, ResolvedEvent resolvedEvent, TFPos position,
EventStore.Core.Data.ResolvedEvent pair)
{
if (resolvedEvent.EventOrLinkTargetPosition <= _reader._lastEventPosition)
{
return;
}
_reader._lastEventPosition = resolvedEvent.EventOrLinkTargetPosition;
//TODO: this is incomplete. where reading from TF we need to handle actual deletes
string deletedPartitionStreamId;
if (resolvedEvent.IsLinkToDeletedStream && !resolvedEvent.IsLinkToDeletedStreamTombstone)
{
return;
}
bool isDeletedStreamEvent = StreamDeletedHelper.IsStreamDeletedEventOrLinkToStreamDeletedEvent(
resolvedEvent, pair.ResolveResult, out deletedPartitionStreamId);
if (isDeletedStreamEvent)
{
var deletedPartition = deletedPartitionStreamId;
if (_reader._includeDeletedStreamNotification)
{
_reader._publisher.Publish(
//TODO: publish both link and event data
new ReaderSubscriptionMessage.EventReaderPartitionDeleted(
_reader.EventReaderCorrelationId, deletedPartition, source: this.GetType(),
lastEventNumber: -1, deleteEventOrLinkTargetPosition: position,
deleteLinkOrEventPosition: resolvedEvent.EventOrLinkTargetPosition,
positionStreamId: resolvedEvent.PositionStreamId,
positionEventNumber: resolvedEvent.PositionSequenceNumber));
}
}
else
{
_reader._publisher.Publish(
//TODO: publish both link and event data
new ReaderSubscriptionMessage.CommittedEventDistributed(
_reader.EventReaderCorrelationId, resolvedEvent,
_reader._stopOnEof ? (long?)null : position.PreparePosition, progress,
source: this.GetType()));
}
}
private void DeliverEvent(
EventStore.Core.Data.ResolvedEvent @event, long lastCommitPosition, TFPos currentFrom)
{
EventRecord linkEvent = @event.Link;
EventRecord targetEvent = @event.Event ?? linkEvent;
EventRecord positionEvent = (linkEvent ?? targetEvent);
TFPos receivedPosition = @event.OriginalPosition.Value;
if (currentFrom > receivedPosition)
{
throw new Exception(
string.Format(
"ReadFromTF returned events in incorrect order. Last known position is: {0}. Received position is: {1}",
currentFrom, receivedPosition));
}
var resolvedEvent = new ResolvedEvent(@event, null);
string deletedPartitionStreamId;
if (resolvedEvent.IsLinkToDeletedStream && !resolvedEvent.IsLinkToDeletedStreamTombstone)
{
return;
}
bool isDeletedStreamEvent = StreamDeletedHelper.IsStreamDeletedEventOrLinkToStreamDeletedEvent(
resolvedEvent, out deletedPartitionStreamId);
_publisher.Publish(
new ReaderSubscriptionMessage.CommittedEventDistributed(
EventReaderCorrelationId,
resolvedEvent,
_stopOnEof ? (long?)null : receivedPosition.PreparePosition,
100.0f * positionEvent.LogPosition / lastCommitPosition,
source: this.GetType()));
if (isDeletedStreamEvent)
{
_publisher.Publish(
new ReaderSubscriptionMessage.EventReaderPartitionDeleted(
EventReaderCorrelationId, deletedPartitionStreamId, source: this.GetType(), lastEventNumber: -1,
deleteEventOrLinkTargetPosition: resolvedEvent.EventOrLinkTargetPosition,
deleteLinkOrEventPosition: resolvedEvent.LinkOrEventPosition,
positionStreamId: positionEvent.EventStreamId, positionEventNumber: positionEvent.EventNumber));
}
}
