//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#: //ORIGINAL LINE: private void readIdBatch0() throws java.io.IOException private void ReadIdBatch0() { if (_stackPosition == 0) { return; } long startPosition = max(_stackPosition - _batchSize * _idEntrySize, 0); int bytesToRead = toIntExact(_stackPosition - startPosition); ByteBuffer readBuffer = ByteBuffer.allocate(bytesToRead); _channel.position(startPosition); _channel.readAll(readBuffer); _stackPosition = startPosition; readBuffer.flip(); int idsRead = bytesToRead / _idEntrySize; for (int i = 0; i < idsRead; i++) { long id = readBuffer.Long; _readFromDisk.enqueue(id); } if (_aggressiveMode) { Truncate(startPosition); } }