nl.renarj.jasdb.index.keys.impl

Class UUIDKey

java.lang.Object

nl.renarj.jasdb.index.keys.AbstractKey

nl.renarj.jasdb.index.keys.impl.UUIDKey

All Implemented Interfaces:

Comparable<Key>, ComparableKey<Key>, Key

public class UUIDKey
extends AbstractKey

This represents the UUID key class mainly used for object references, this relies on the UUID implementation of Java (java.util.UUID) but does tries to prevent usage of the object itself for memory reasons. Therefore some of the compare and hashcode have been copied to directly work on the least and most significant long values contained in this class.

Author:

Renze de Vries

Constructor Summary

Constructors

Constructor and Description
UUIDKey(long leastSignificant, long mostSignificant)
UUIDKey(String id)
UUIDKey(UUID uuid)

Method Summary

Modifier and Type	Method and Description
Key	cloneKey() Clone the current key without influencing this instance
Key	cloneKey(boolean includeValues) Clone the current key without influencing this instance, whilst leaving the values
CompareResult	compare(Key o, CompareMethod method)
boolean	equals(Object obj)
int	getKeyCount()
long	getLeastSignificant()
long	getMostSignificant()
String	getValue()
int	hashCode()
long	size()
String	toString()

Methods inherited from class nl.renarj.jasdb.index.keys.AbstractKey

addKey, compareTo, getChildrenAsComposite, getKey, getKey, getKeys, getKeysByName, hasChildren, setKeys, setKeys

Methods inherited from class java.lang.Object

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

Constructor Detail

UUIDKey

public UUIDKey(String id)

UUIDKey

public UUIDKey(UUID uuid)

UUIDKey

public UUIDKey(long leastSignificant,
               long mostSignificant)

Method Detail

getLeastSignificant

public long getLeastSignificant()

getMostSignificant

public long getMostSignificant()

size

public long size()

Specified by:

size in interface Key

Overrides:

size in class AbstractKey

getKeyCount

public int getKeyCount()

Specified by:

getKeyCount in interface Key

Overrides:

getKeyCount in class AbstractKey

compare

public CompareResult compare(Key o,
                             CompareMethod method)

hashCode

public int hashCode()

Specified by:

hashCode in interface Key

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Specified by:

equals in interface Key

Overrides:

equals in class Object

toString

public String toString()

Specified by:

toString in interface Key

Overrides:

toString in class Object

cloneKey

public Key cloneKey()

Description copied from interface: Key

Clone the current key without influencing this instance

Returns:

The cloned Key including payload values

cloneKey

public Key cloneKey(boolean includeValues)

Description copied from interface: Key

Clone the current key without influencing this instance, whilst leaving the values

Parameters:

includeValues - True if child keys need to be included;

Returns:

The key with values if was specified True, False means without values

getValue

public String getValue()