public BPlusTreeIntToString60 read() throws IOException {
Map<Integer, Node> nodes = new HashMap<Integer, Node>();
Block block = new Block(file.read(0));
int maxSize = Bytes.byteToInt(block.getByte(1));
int rootBlock = Bytes.bytesToInt(block.getBytes(2, 4));
// readNode(maxSize, rootBlock, blockToNode)
file.close();
return BPlusTreeIntToString60.fromBytes(block, nodes);
}
public void write(BPlusTreeIntToString60 tree) {
this.maxSize = tree.getMaxSize();
}
