public void RemoveRecord([NotNull] TaskIndexRecord taskIndexRecord, long timestamp)
{
var rowKey = CassandraNameHelper.GetRowKey(taskIndexRecord.TaskIndexShardKey, taskIndexRecord.MinimalStartTicks);
var columnName = CassandraNameHelper.GetColumnName(taskIndexRecord.MinimalStartTicks, taskIndexRecord.TaskId);
RetrieveColumnFamilyConnection().DeleteColumn(rowKey, columnName, timestamp);
}
private void DoWriteRecord([NotNull] TaskIndexRecord taskIndexRecord, long timestamp, TimeSpan?ttl)
{
var rowKey = CassandraNameHelper.GetRowKey(taskIndexRecord.TaskIndexShardKey, taskIndexRecord.MinimalStartTicks);
var columnName = CassandraNameHelper.GetColumnName(taskIndexRecord.MinimalStartTicks, taskIndexRecord.TaskId);
RetrieveColumnFamilyConnection().AddColumn(rowKey, new Column
{
Name = columnName,
Timestamp = timestamp,
Value = serializer.Serialize(taskIndexRecord.TaskId),
TTL = ttl.HasValue ? (int)ttl.Value.TotalSeconds : (int?)null,
});
}
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();
}
public bool MoveNext()
{
while (true)
{
if (eventEnumerator.MoveNext())
{
var currentLiveRecordTicks = CassandraNameHelper.GetTicksFromColumnName(eventEnumerator.Current.Name);
if (currentLiveRecordTicks > toTicks)
{
liveRecordTicksMarker.TryMoveForward(toTicks);
return(false);
}
liveRecordTicksMarker.TryMoveForward(currentLiveRecordTicks);
if (!loggedTooOldIndexRecord && currentLiveRecordTicks < (Timestamp.Now - TimeSpan.FromHours(1)).Ticks)
{
logger.Warn("Too old index record: [TaskId = {RtqTaskId}, ColumnName = {ColumnName}, ColumnTimestamp = {ColumnTimestamp}]",
new { RtqTaskId = Current.TaskId, ColumnName = eventEnumerator.Current.Name, ColumnTimestamp = eventEnumerator.Current.Timestamp });
loggedTooOldIndexRecord = true;
}
return(true);
}
if (iCur >= iTo)
{
liveRecordTicksMarker.TryMoveForward(toTicks);
return(false);
}
iCur++;
var rowKey = CassandraNameHelper.GetRowKey(liveRecordTicksMarker.State.TaskIndexShardKey, CassandraNameHelper.GetMinimalTicksForRow(iCur));
string exclusiveStartColumnName = null;
if (iCur == iFrom)
{
exclusiveStartColumnName = CassandraNameHelper.GetColumnName(fromTicks, string.Empty);
}
eventEnumerator = connection.GetRow(rowKey, exclusiveStartColumnName, batchSize).GetEnumerator();
}
}
