public override bool IsMessageAfterCheckpointTag(CheckpointTag previous, ProjectionCoreServiceMessage.CommittedEventDistributed comittedEvent)
{
if (previous.GetMode() != CheckpointTag.Mode.Position)
{
throw new ArgumentException("Mode.Position expected", "previous");
}
return(comittedEvent.Position > previous.Position);
}
public override bool IsMessageAfterCheckpointTag(CheckpointTag previous, ProjectionCoreServiceMessage.CommittedEventDistributed comittedEvent)
{
if (previous.GetMode() != CheckpointTag.Mode.Stream)
{
throw new ArgumentException("Mode.Stream expected", "previous");
}
return(comittedEvent.PositionStreamId == _stream &&
comittedEvent.PositionSequenceNumber > previous.Streams[_stream]);
}
private void EnsureCheckpointTagModeIs(CheckpointTag checkpointTag, CheckpointTag.Mode mode)
{
var checkpointTagMode = checkpointTag.GetMode();
if (checkpointTagMode != mode)
{
throw new ArgumentException(
String.Format(
"Inavlid checkpoint tag mode: '{0}'. Expected mode is: '{1}'", checkpointTagMode, mode));
}
}
public override bool IsCompatible(CheckpointTag checkpointTag)
{
return(checkpointTag.GetMode() == CheckpointTag.Mode.Stream && checkpointTag.Streams.Keys.First() == this._stream);
}
public override bool IsCompatible(CheckpointTag checkpointTag)
{
return(checkpointTag.GetMode() == CheckpointTag.Mode.Position);
}
public override bool IsCompatible(CheckpointTag checkpointTag)
{
//TODO: should Stream be supported here as well if in the set?
return(checkpointTag.GetMode() == CheckpointTag.Mode.MultiStream &&
checkpointTag.Streams.All(v => _streams.Contains(v.Key)));
}