public async Task ReadAsync(long initialSequence, int count, Action <IPersistedRawEvent> readCallback, CancellationToken ct)
{
if (count == 0)
{
return;
}
var sc = StartCount.From(initialSequence, count);
var events = await DB.ExecuteListAsync(CommandText_Read, r => ReadEvent(r, null), sc.Start, sc.Count);
foreach (var e in events)
{
if (ct.IsCancellationRequested)
{
break;
}
readCallback(e);
}
}
public async Task ReadStreamAsync(Stream stream, int initialSequence, int count, Action <IPersistedRawEvent> readCallback, CancellationToken ct)
{
if (count == 0)
{
return;
}
var sc = StartCount.From(initialSequence, count);
var command = DB.CreateCommand(CommandText_ReadStream, stream.Hash);
var events = await DB.ExecuteListAsync(command, r => ReadEvent(r, stream), sc.Start, sc.Count);
foreach (var e in events)
{
if (ct.IsCancellationRequested)
{
break;
}
readCallback(e);
}
}
