protected final HFileContext meta;
public EncodedScannerV2(HFileReaderV2 reader, boolean cacheBlocks,
boolean pread, boolean isCompaction, HFileContext meta) {
super(reader, cacheBlocks, pread, isCompaction);
DataBlockEncoding encoding = reader.dataBlockEncoder.getDataBlockEncoding();
dataBlockEncoder = encoding.getEncoder();
decodingCtx = dataBlockEncoder.newDataBlockDecodingContext(meta);
seeker = dataBlockEncoder.createSeeker(
reader.getComparator(), decodingCtx);
this.meta = meta;
}