public bool TryGetName(uint eventTypeId, out string name)
{
if (LogV3SystemEventTypes.TryGetVirtualEventType(eventTypeId, out name))
{
return(true);
}
return(_wrapped.TryGetName(eventTypeId, out name));
}
public void Initialize(INameExistenceFilter filter)
{
if (!_streamNames.TryGetLastValue(out var sourceLastStreamId))
{
return;
}
var startStreamId = (uint)Math.Max(LogV3SystemStreams.FirstRealStream, filter.CurrentCheckpoint);
for (var streamId = startStreamId; streamId <= sourceLastStreamId; streamId += LogV3SystemStreams.StreamInterval)
{
if (!_streamNames.TryGetName(streamId, out var name))
{
throw new Exception($"NameExistenceFilter: this should never happen. could not find {streamId} in source");
}
filter.Add(name);
filter.CurrentCheckpoint = streamId;
}
}
public bool TryGetName(StreamId streamId, out string name)
{
if (_metastreams.IsMetaStream(streamId))
{
streamId = _metastreams.OriginalStreamOf(streamId);
if (!TryGetName(streamId, out name))
{
return(false);
}
name = SystemStreams.MetastreamOf(name);
return(true);
}
if (LogV3SystemStreams.TryGetVirtualStreamName(streamId, out name))
{
return(true);
}
return(_wrapped.TryGetName(streamId, out name));
}
public void Initialize(INameExistenceFilter filter, long truncateToPosition)
{
// todo: truncate if necessary. implementation will likely depend on how the indexes come out
if (!_streamNames.TryGetLastValue(out var sourceLastStreamId))
{
return;
}
var startStreamId = (uint)Math.Max(LogV3SystemStreams.FirstRealStream, filter.CurrentCheckpoint);
for (var streamId = startStreamId; streamId <= sourceLastStreamId; streamId += LogV3SystemStreams.StreamInterval)
{
if (!_streamNames.TryGetName(streamId, out var name))
{
throw new Exception($"NameExistenceFilter: this should never happen. could not find {streamId} in source");
}
filter.Add(name);
filter.CurrentCheckpoint = streamId;
}
}
