org.springframework.util

Class AlternativeJdkIdGenerator

java.lang.Object

org.springframework.util.AlternativeJdkIdGenerator

All Implemented Interfaces:

IdGenerator

public class AlternativeJdkIdGenerator
extends java.lang.Object
implements IdGenerator

An IdGenerator that uses SecureRandom for the initial seed and Random thereafter, instead of calling UUID.randomUUID() every time as JdkIdGenerator does. This provides a better balance between securely random ids and performance.

Since:

4.0

Author:

Rossen Stoyanchev, Rob Winch

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Random	random

Constructor Summary

Constructors

Constructor and Description
AlternativeJdkIdGenerator()

Method Summary

Modifier and Type	Method and Description
java.util.UUID	generateId() Generate a new identifier.

Methods inherited from class java.lang.Object

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

Field Detail

random

private final java.util.Random random

Constructor Detail

AlternativeJdkIdGenerator

public AlternativeJdkIdGenerator()

Method Detail

generateId

public java.util.UUID generateId()

Description copied from interface: IdGenerator

Generate a new identifier.

Specified by:

generateId in interface IdGenerator

Returns:

the generated identifier