public LineReader(IMultiStreamSource files, int batchSize, int bufSize, bool hasHeader, long limit, int cref)
{
// Note that files is allowed to be empty.
Contracts.AssertValue(files);
Contracts.Assert(files.Count >= 0);
Contracts.Assert(batchSize >= 2);
Contracts.Assert(bufSize > 0);
Contracts.Assert(limit >= 0);
Contracts.Assert(cref > 0);
_limit = limit;
_hasHeader = hasHeader;
_batchSize = batchSize;
_files = files;
_cref = cref;
_queue = new BlockingQueue <LineBatch>(bufSize);
_thdRead = Utils.RunOnBackgroundThread(ThreadProc);
}
public void Release()
{
int n = Interlocked.Decrement(ref _cref);
Contracts.Assert(n >= 0);
if (n != 0)
{
return;
}
if (_thdRead != null)
{
_abort = true;
_thdRead.Wait();
_thdRead = null;
}
if (_queue != null)
{
_queue.Dispose();
_queue = null;
}
}