void IHandle <ClientMessage.ListStreams> .Handle(ClientMessage.ListStreams message)
{
try
{
var streams = _readIndex.GetStreamIds();
message.Envelope.ReplyWith(new ClientMessage.ListStreamsCompleted(streams != null, streams));
}
catch (Exception ex)
{
Log.ErrorException(ex, "Error while reading stream ids");
message.Envelope.ReplyWith(new ClientMessage.ListStreamsCompleted(false, null));
}
}
void IHandle <ClientMessage.ListStreams> .Handle(ClientMessage.ListStreams message)
{
try
{
// from 1 to skip $stream-created event in $streams stream
var result = _readIndex.ReadStreamEventsForward(SystemStreams.StreamsStream, 1, int.MaxValue);
if (result.Result != RangeReadResult.Success)
{
throw new SystemStreamNotFoundException(
string.Format("Couldn't find system stream {0}, which should've been created with projection 'Index By Streams'",
SystemStreams.StreamsStream));
}
var streamIds = result.Records
.Select(e =>
{
var dataStr = Encoding.UTF8.GetString(e.Data);
var parts = dataStr.Split('@');
if (parts.Length < 2)
{
throw new FormatException(string.Format("{0} stream event data is in bad format: {1}. Expected: eventNumber@streamid",
SystemStreams.StreamsStream,
dataStr));
}
var streamid = parts[1];
return(streamid);
})
.ToArray();
message.Envelope.ReplyWith(new ClientMessage.ListStreamsCompleted(true, streamIds));
}
catch (Exception ex)
{
Log.ErrorException(ex, "Error while reading stream ids");
message.Envelope.ReplyWith(new ClientMessage.ListStreamsCompleted(false, null));
}
}
