org.nuxeo.ecm.platform.uidgen

Class JPAUIDSequencerImpl

java.lang.Object

org.nuxeo.ecm.core.uidgen.AbstractUIDSequencer

org.nuxeo.ecm.platform.uidgen.JPAUIDSequencerImpl

All Implemented Interfaces:

UIDSequencer

public class JPAUIDSequencerImpl
extends AbstractUIDSequencer

This implementation uses a static persistence provider to be able to instantiate this class without passing by Framework.getService -> this is to avoid potential problems do to sequencer factories. Anyway sequencer factories should be removed (I don't think they are really needed).

Author:

Bogdan Stefanescu

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	JPAUIDSequencerImpl.SeqRunner

Field Summary

Fields

Modifier and Type	Field and Description
protected ThreadPoolExecutor	tpe

Fields inherited from class org.nuxeo.ecm.core.uidgen.AbstractUIDSequencer

name

Constructor Summary

Constructors

Constructor and Description
JPAUIDSequencerImpl()

Method Summary

Modifier and Type	Method and Description
protected static void	activatePersistenceProvider()
void	dispose() Must be called when the service is no longer needed
protected int	doGetNext(String key)
protected int	getNext(javax.persistence.EntityManager em, String key)
int	getNext(String key) For the given key returns the incremented UID which is also stored in the same sequence entry.
protected PersistenceProvider	getOrCreatePersistenceProvider()
void	init() Init Sequencer

Methods inherited from class org.nuxeo.ecm.core.uidgen.AbstractUIDSequencer

getName, getNextLong, initSequence, setName

Methods inherited from class java.lang.Object

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

Field Detail

tpe

protected ThreadPoolExecutor tpe

Constructor Detail

JPAUIDSequencerImpl

public JPAUIDSequencerImpl()

Method Detail

init

public void init()

Description copied from interface: UIDSequencer

Init Sequencer

Specified by:

init in interface UIDSequencer

Specified by:

init in class AbstractUIDSequencer

dispose

public void dispose()

Must be called when the service is no longer needed

Specified by:

dispose in interface UIDSequencer

Specified by:

dispose in class AbstractUIDSequencer

getOrCreatePersistenceProvider

protected PersistenceProvider getOrCreatePersistenceProvider()

activatePersistenceProvider

protected static void activatePersistenceProvider()

getNext

public int getNext(String key)

Description copied from interface: UIDSequencer

For the given key returns the incremented UID which is also stored in the same sequence entry. This is a "one time use" function for a document.

Specified by:

getNext in interface UIDSequencer

Specified by:

getNext in class AbstractUIDSequencer

Returns:

doGetNext

protected int doGetNext(String key)

getNext

protected int getNext(javax.persistence.EntityManager em,
                      String key)