org.unict.ing.pds.dhtdb.utils.dht

Class Key

java.lang.Object

org.unict.ing.pds.dhtdb.utils.dht.Key

All Implemented Interfaces:

Serializable, Comparable<Key>

public final class Key
extends Object
implements Comparable<Key>, Serializable

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private static int	BIN
private static int	DEC
private static int	HEX
private String	key
static int	LENGTH

Constructor Summary

Constructors

Constructor and Description
Key(String key) Overloaded constructor for Key (toHash default to True) the key will be hashed
Key(String key, Boolean toHash) Constructor for Key

Method Summary

Modifier and Type	Method and Description
int	compareTo(Key o)
boolean	equals(Object obj)
String	getKey()
Key	sum(BigInteger integer) Returns this.key + integer
Key	sum(Key b) Returns this.key + (Key) b
static Key	sum(Key a, BigInteger integer) Returns (Key) a + integer
static Key	sum(Key a, Key b) Returns (Key) a + (Key) b
Key	sumPow(int pow) Returns this.key + 2^pow
Key	sumPowDivided(int pow, int divisor) Returns this.key + 2^pow/divisor
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

LENGTH

public static final int LENGTH

See Also:

Constant Field Values

key

private final String key

HEX

private static final int HEX

See Also:

Constant Field Values

DEC

private static final int DEC

See Also:

Constant Field Values

BIN

private static final int BIN

See Also:

Constant Field Values

Constructor Detail

Key

public Key(String key)

Overloaded constructor for Key (toHash default to True) the key will be hashed

Parameters:

key - |

Key

public Key(String key,
           Boolean toHash)

Constructor for Key

Parameters:

key - |

toHash - if true the key argument will be passed to the hash function |

Method Detail

getKey

public String getKey()

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

compareTo

public int compareTo(Key o)

Specified by:

compareTo in interface Comparable<Key>

toString

public String toString()

Overrides:

toString in class Object

sumPow

public Key sumPow(int pow)

Returns this.key + 2^pow

Parameters:

pow - |

Returns:

|

sumPowDivided

public Key sumPowDivided(int pow,
                         int divisor)

Returns this.key + 2^pow/divisor

Parameters:

pow - |

divisor - |

Returns:

|

sum

public Key sum(BigInteger integer)

Returns this.key + integer

Parameters:

integer - |

Returns:

|

sum

public Key sum(Key b)

Returns this.key + (Key) b

Parameters:

b - |

Returns:

|

sum

public static Key sum(Key a,
                      Key b)

Returns (Key) a + (Key) b

Parameters:

a - |

b - |

Returns:

|

sum

public static Key sum(Key a,
                      BigInteger integer)

Returns (Key) a + integer

Parameters:

a - |

integer - |

Returns:

|