public override CheckpointTag MakeCheckpointTag(CheckpointTag previous, ProjectionMessage.Projections.CommittedEventDistributed comittedEvent)
{
if (comittedEvent.PositionStreamId != _stream)
{
throw new InvalidOperationException(string.Format("Invalid stream '{0}'. Expected stream is '{1}'", comittedEvent.EventStreamId, _stream));
}
return(CheckpointTag.FromStreamPosition(comittedEvent.PositionStreamId, comittedEvent.PositionSequenceNumber, comittedEvent.Position.PreparePosition));
}
public override CheckpointTag MakeCheckpointTag(
CheckpointTag previous, ReaderSubscriptionMessage.CommittedEventDistributed committedEvent)
{
if (previous.Phase != Phase)
{
throw new ArgumentException(
string.Format("Invalid checkpoint tag phase. Expected: {0} Was: {1}", Phase, previous.Phase));
}
if (committedEvent.Data.PositionStreamId != _stream)
{
throw new InvalidOperationException(
string.Format(
"Invalid stream '{0}'. Expected stream is '{1}'", committedEvent.Data.EventStreamId, _stream));
}
return(CheckpointTag.FromStreamPosition(previous.Phase, committedEvent.Data.PositionStreamId, committedEvent.Data.PositionSequenceNumber));
}
public override CheckpointTag AdjustTag(CheckpointTag tag)
{
if (tag.Phase < Phase)
{
return(tag);
}
if (tag.Phase > Phase)
{
throw new ArgumentException(
string.Format("Invalid checkpoint tag phase. Expected less or equal to: {0} Was: {1}", Phase,
tag.Phase), "tag");
}
if (tag.Mode_ == CheckpointTag.Mode.Stream)
{
long p;
return(CheckpointTag.FromStreamPosition(
tag.Phase, _stream, tag.Streams.TryGetValue(_stream, out p) ? p : -1));
}
switch (tag.Mode_)
{
case CheckpointTag.Mode.EventTypeIndex:
throw new NotSupportedException(
"Conversion from EventTypeIndex to Stream position tag is not supported");
case CheckpointTag.Mode.PreparePosition:
throw new NotSupportedException(
"Conversion from PreparePosition to Stream position tag is not supported");
case CheckpointTag.Mode.MultiStream:
long p;
return(CheckpointTag.FromStreamPosition(
tag.Phase, _stream, tag.Streams.TryGetValue(_stream, out p) ? p : -1));
case CheckpointTag.Mode.Position:
throw new NotSupportedException("Conversion from Position to Stream position tag is not supported");
default:
throw new NotSupportedException(string.Format(
"The given checkpoint is invalid. Possible causes might include having written an event to the projection's managed stream. The bad checkpoint: {0}",
tag.ToString()));
}
}
public override CheckpointTag MakeCheckpointTag(
CheckpointTag previous, ReaderSubscriptionMessage.EventReaderPartitionDeleted partitionDeleted)
{
if (previous.Phase != Phase)
{
throw new ArgumentException(
string.Format("Invalid checkpoint tag phase. Expected: {0} Was: {1}", Phase, previous.Phase));
}
if (partitionDeleted.PositionStreamId != _stream)
{
throw new InvalidOperationException(
string.Format(
"Invalid stream '{0}'. Expected stream is '{1}'", partitionDeleted.Partition, _stream));
}
// return ordinary checkpoint tag (suitable for fromCategory.foreachStream as well as for regular fromStream
return(CheckpointTag.FromStreamPosition(
previous.Phase, partitionDeleted.PositionStreamId, partitionDeleted.PositionEventNumber.Value));
}
public override CheckpointTag AdjustTag(CheckpointTag tag)
{
if (tag.Phase < Phase)
{
return(tag);
}
if (tag.Phase > Phase)
{
throw new ArgumentException(
string.Format("Invalid checkpoint tag phase. Expected less or equal to: {0} Was: {1}", Phase, tag.Phase), "tag");
}
if (tag.Mode_ == CheckpointTag.Mode.Stream)
{
int p;
return(CheckpointTag.FromStreamPosition(
tag.Phase, _stream, tag.Streams.TryGetValue(_stream, out p) ? p : -1));
}
switch (tag.Mode_)
{
case CheckpointTag.Mode.EventTypeIndex:
throw new NotSupportedException(
"Conversion from EventTypeIndex to Stream position tag is not supported");
case CheckpointTag.Mode.PreparePosition:
throw new NotSupportedException(
"Conversion from PreparePosition to Stream position tag is not supported");
case CheckpointTag.Mode.MultiStream:
int p;
return(CheckpointTag.FromStreamPosition(
tag.Phase, _stream, tag.Streams.TryGetValue(_stream, out p) ? p : -1));
case CheckpointTag.Mode.Position:
throw new NotSupportedException("Conversion from Position to Stream position tag is not supported");
default:
throw new Exception();
}
}
public override CheckpointTag MakeZeroCheckpointTag()
{
return(CheckpointTag.FromStreamPosition(_stream, -1, -1));
}