de.cgrotz.kademlia.node

Class Key

java.lang.Object

de.cgrotz.kademlia.node.Key

public class Key
extends Object

Created by Christoph on 21.09.2016.

Field Summary

Fields

Modifier and Type	Field and Description
static int	ID_LENGTH

Constructor Summary

Constructors

Constructor and Description
Key(BigInteger key)
Key(byte[] result)
Key(int id)

Method Summary

Modifier and Type	Method and Description
static Key	build(String key)
Key	generateNodeIdByDistance(int distance) Generates a Key that is some distance away from this Key
int	getDistance(Key to) Gets the distance from this Key to another Key
int	getFirstSetBitIndex() Counts the number of leading 0's in this Key
static Key	random()
String	toString()
Key	xor(Key nid) Checks the distance between this and another Key

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

ID_LENGTH

public static final int ID_LENGTH

See Also:

Constant Field Values

Constructor Detail

Key

public Key(byte[] result)

Key

public Key(BigInteger key)

Key

public Key(int id)

Method Detail

random

public static Key random()

build

public static Key build(String key)

xor

public Key xor(Key nid)

Checks the distance between this and another Key

Parameters:

nid -

Returns:

The distance of this Key from the given Key

generateNodeIdByDistance

public Key generateNodeIdByDistance(int distance)

Generates a Key that is some distance away from this Key

Parameters:

distance - in number of bits

Returns:

Key The newly generated Key

getFirstSetBitIndex

public int getFirstSetBitIndex()

Counts the number of leading 0's in this Key

Returns:

Integer The number of leading 0's

toString

public String toString()

Overrides:

toString in class Object

getDistance

public int getDistance(Key to)

Gets the distance from this Key to another Key

Parameters:

to -

Returns:

Integer The distance