private void ReserveRange(DataNodeReader nodeReader, DataProcessingContext ctx)
{
ReservedRange range = nodeReader.ReserveRangeAsync(ctx.DpuId, new ReserveRangeOptions
{
LeaseTimeout = this.settings.JobLeaseLifeTime ?? TimeSpan.FromHours(1),
NeedReserveRange = ctx.NeedReserveRange.ForAlreadyReserved(ctx.RangeRecordsCount()),
HasDataInPreviousProcessing = ctx.HasDataInPreviousProcessing,
FullScanAfterNQueries = 20,
}, ctx.CancellationToken);
if (ctx.ReservedRange == null)
{
ctx.ReservedRange = range;
}
else
{
ctx.ReservedRange.Add(range);
}
}
public bool TryGetReaderForStorageId(string storageIdentifier, out DataNodeReader nodeReader)
{
nodeReader = this.nodeReaders.FirstOrDefault(x => x.StorageIdentifier == storageIdentifier);
return(nodeReader != null);
}
//public bool TryGetReaderForUri(Uri url, out DataNodeReader nodeReader)
//{
// nodeReader = this.nodeReaders.FirstOrDefault(x => x.ServiceUri == url && x.StorageIdentifier != null);
// return nodeReader != null;
//}
public bool TryGetReader(DataNodeDefinition defenition, out DataNodeReader nodeReader)
{
nodeReader = this.nodeReaders.FirstOrDefault(x => x.ServiceUri == defenition.ServiceUri && x.StorageIdentifier != null);
return(nodeReader != null);
}