public GetEventsEnumerable([NotNull] ILiveRecordTicksMarker liveRecordTicksMarker,
ISerializer serializer,
IColumnFamilyConnection connection,
long fromTicks,
long toTicks,
int batchSize,
ILog logger)
{
this.liveRecordTicksMarker = liveRecordTicksMarker;
this.serializer = serializer;
this.connection = connection;
this.fromTicks = fromTicks;
this.toTicks = toTicks;
this.batchSize = batchSize;
this.logger = logger;
}
private long?TryGetFromTicks([NotNull] TaskIndexShardKey taskIndexShardKey, out ILiveRecordTicksMarker liveRecordTicksMarker)
{
liveRecordTicksMarker = oldestLiveRecordTicksHolder.TryGetCurrentMarkerValue(taskIndexShardKey);
if (liveRecordTicksMarker == null)
{
return(null);
}
var overlapDuration = GetOverlapDuration(taskIndexShardKey);
var fromTicks = liveRecordTicksMarker.State.CurrentTicks - overlapDuration.Ticks;
var safetyBelt = (Timestamp.Now - TimeSpan.FromHours(6)).Ticks;
if (fromTicks < safetyBelt)
{
logger.Warn("fromTicks ({FromTicks}) < safetyBelt ({SafetyBelt})", new { FromTicks = new Timestamp(fromTicks), SafetyBelt = new Timestamp(safetyBelt) });
return(safetyBelt);
}
return(fromTicks);
}
public GetEventsEnumerator([NotNull] ILiveRecordTicksMarker liveRecordTicksMarker,
ISerializer serializer,
IColumnFamilyConnection connection,
long fromTicks,
long toTicks,
int batchSize,
ILog logger)
{
this.liveRecordTicksMarker = liveRecordTicksMarker;
this.serializer = serializer;
this.connection = connection;
this.fromTicks = fromTicks;
this.toTicks = toTicks;
this.batchSize = batchSize;
this.logger = logger;
iFrom = CassandraNameHelper.GetTicksRowNumber(fromTicks);
iTo = CassandraNameHelper.GetTicksRowNumber(toTicks);
Reset();
LogFromToCountStatistics();
}
