org.jpox.store.poid
Class UUIDStringPoidGenerator

java.lang.Object
  org.jpox.store.poid.AbstractPoidGenerator
      org.jpox.store.poid.AbstractUIDPoidGenerator
          org.jpox.store.poid.AbstractUUIDPoidGenerator
              org.jpox.store.poid.UUIDStringPoidGenerator

All Implemented Interfaces:

javax.jdo.datastore.Sequence, PoidGenerator

public class UUIDStringPoidGenerator
extends AbstractUUIDPoidGenerator

Poid generator for a UUID String format. Results in Strings of length 16 characters, containing the IP address of the local machine as per the JDO2 spec section 18.6.1.

Version:

$Revision: 1.3 $

Field Summary

Fields inherited from class org.jpox.store.poid.AbstractUUIDPoidGenerator

counter, IP_ADDRESS, JVM_UNIQUE

Fields inherited from class org.jpox.store.poid.AbstractPoidGenerator

defaultBlockSize, LOCALISER, name, poidBlock, properties

Constructor Summary

UUIDStringPoidGenerator(java.lang.String name, java.util.Properties props)
Constructor.

Method Summary

protected java.lang.String

getIdentifier() Create an identifier with the form "IIIIJJJJHHLLLLCC".

Methods inherited from class org.jpox.store.poid.AbstractUUIDPoidGenerator

getCount

Methods inherited from class org.jpox.store.poid.AbstractUIDPoidGenerator

reserveBlock

Methods inherited from class org.jpox.store.poid.AbstractPoidGenerator

allocate, createRepository, current, currentValue, getName, next, nextValue, obtainPoidBlock, obtainPoidBlock, requiresRepository, reserveBlock

Methods inherited from class java.lang.Object

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

Constructor Detail

UUIDStringPoidGenerator

public UUIDStringPoidGenerator(java.lang.String name,
                               java.util.Properties props)

Constructor.

Parameters:

name - Symbolic name for this generator

props - Properties controlling its behaviour

Method Detail

getIdentifier

protected java.lang.String getIdentifier()

Create an identifier with the form "IIIIJJJJHHLLLLCC". Where IIII is the IP address, JJJJ is something unique across JVMs, HH is the High Time, LLLL is the low time, and CC is a count.

Specified by:

getIdentifier in class AbstractUIDPoidGenerator

Returns:

The identifier