final RecordFactory recordFactory = new RecordFactory(LenNodeHash, SizeOfNodeId) ;
Transform<Pair<byte[],Long>, Record> transformPair2Record = new Transform<Pair<byte[],Long>, Record>() {
@Override public Record convert(Pair<byte[],Long> pair) {
monitor2.tick();
return recordFactory.create(pair.getLeft(), Bytes.packLong(pair.getRight()));
}
};
int order = BPlusTreeParams.calcOrder(SystemTDB.BlockSize, recordFactory) ;
BPlusTreeParams bptParams = new BPlusTreeParams(order, recordFactory) ;