DirectWriter(IndexOutput output, long numValues, int bitsPerValue) {
this.output = output;
this.numValues = numValues;
this.bitsPerValue = bitsPerValue;
encoder = BulkOperation.of(PackedInts.Format.PACKED, bitsPerValue);
iterations =
encoder.computeIterations(
(int) Math.min(numValues, Integer.MAX_VALUE), PackedInts.DEFAULT_BUFFER_SIZE);
nextBlocks = new byte[iterations * encoder.byteBlockCount()];
nextValues = new long[iterations * encoder.byteValueCount()];
}
private void flush() throws IOException {
encoder.encode(nextValues, 0, nextBlocks, 0, iterations);
final int blockCount =
(int) PackedInts.Format.PACKED.byteCount(PackedInts.VERSION_CURRENT, off, bitsPerValue);
output.writeBytes(nextBlocks, blockCount);
Arrays.fill(nextValues, 0L);
off = 0;
}
