How to use

createFirstKeyCell

method

in

org.apache.hadoop.hbase.io.encoding.FastDiffDeltaEncoder

@Override
public Cell getFirstKeyCellInBlock(ByteBuff block) {
 block.mark();
 block.position(Bytes.SIZEOF_INT + Bytes.SIZEOF_BYTE);
 int keyLength = ByteBuff.readCompressedInt(block);
 // TODO : See if we can avoid these reads as the read values are not getting used
 ByteBuff.readCompressedInt(block); // valueLength
 ByteBuff.readCompressedInt(block); // commonLength
 ByteBuffer key = block.asSubByteBuffer(keyLength).duplicate();
 block.reset();
 return createFirstKeyCell(key, keyLength);
}

@Override
public Cell getFirstKeyCellInBlock(ByteBuff block) {
 block.mark();
 block.position(Bytes.SIZEOF_INT + Bytes.SIZEOF_BYTE);
 int keyLength = ByteBuff.readCompressedInt(block);
 // TODO : See if we can avoid these reads as the read values are not getting used
 ByteBuff.readCompressedInt(block); // valueLength
 ByteBuff.readCompressedInt(block); // commonLength
 ByteBuffer key = block.asSubByteBuffer(keyLength).duplicate();
 block.reset();
 return createFirstKeyCell(key, keyLength);
}

@Override
public Cell getFirstKeyCellInBlock(ByteBuff block) {
 block.mark();
 block.position(Bytes.SIZEOF_INT + Bytes.SIZEOF_BYTE);
 int keyLength = ByteBuff.readCompressedInt(block);
 // TODO : See if we can avoid these reads as the read values are not getting used
 ByteBuff.readCompressedInt(block); // valueLength
 ByteBuff.readCompressedInt(block); // commonLength
 ByteBuffer key = block.asSubByteBuffer(keyLength).duplicate();
 block.reset();
 return createFirstKeyCell(key, keyLength);
}