org.resoa.persistence.autokey

Class UUID

java.lang.Object

org.resoa.persistence.autokey.UUID

All Implemented Interfaces:

KeyGenerator

public class UUID
extends java.lang.Object
implements KeyGenerator

The UUID Key generator implementation

Constructor Summary

Constructors

Constructor and Description
UUID()

Method Summary

Methods

Modifier and Type	Method and Description
static java.lang.String	newKey() Provide a new UUID key
static long	newLongKey() Generate a long key.
static long	newLongKey(java.lang.String seed) Provide a long ID, based on the hash value of a string (i.e.
static java.lang.String	newUUIDHash(java.lang.String value) Provide a UUID, based on the hash value of a string (i.e.
java.lang.Object	setAutoKey(java.lang.reflect.Field field, java.lang.Object instance) set an autoKey within an object instance
java.lang.Object	setAutoKey(org.resoa.json.JSONObject json, java.lang.String keyName, java.lang.String referenceID) Set an AutoKey within a JSON Object

Methods inherited from class java.lang.Object

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

Constructor Detail

UUID

public UUID()

Method Detail

setAutoKey

public java.lang.Object setAutoKey(java.lang.reflect.Field field,
                          java.lang.Object instance)

set an autoKey within an object instance

Specified by:

setAutoKey in interface KeyGenerator

Parameters:

field -

instance -

setAutoKey

public java.lang.Object setAutoKey(org.resoa.json.JSONObject json,
                          java.lang.String keyName,
                          java.lang.String referenceID)

Set an AutoKey within a JSON Object

Specified by:

setAutoKey in interface KeyGenerator

Parameters:

json -

keyName - the primary key node name

referenceID - a reference ID, which should be included within key generation

Returns:

the new key

newKey

public static java.lang.String newKey()

Provide a new UUID key

newUUIDHash

public static java.lang.String newUUIDHash(java.lang.String value)

Provide a UUID, based on the hash value of a string (i.e. JSON object representation)

Parameters:

value - the string to be hashed

newLongKey

public static long newLongKey()

Generate a long key. Handle with care, uniqueness is not guaranteed

newLongKey

public static long newLongKey(java.lang.String seed)

Provide a long ID, based on the hash value of a string (i.e. JSON object representation) Handle with care, uniqueness is not guaranteed

Parameters:

seed - the string to be hashed