org.exoplatform.commons.persistence.impl

Class EntityManagerService

java.lang.Object

org.exoplatform.commons.persistence.impl.EntityManagerService

All Implemented Interfaces:

org.exoplatform.container.component.ComponentRequestLifecycle

public class EntityManagerService
extends Object
implements org.exoplatform.container.component.ComponentRequestLifecycle

This service is responsible to create a single EntityManagerFactory, with the persistence unit name exo-pu.

The service is also bound to use of the RequestLifecycle that there is only one EntityManager will be created at beginning of the request lifecycle. The EntityManager instance will be maintained open and shared with all applications relying on this through to the end of lifecycle.

Version:

$Revision$

Author:

Trong Tran

Field Summary

Fields

Modifier and Type	Field and Description
static String	PERSISTENCE_UNIT_NAME

Constructor Summary

Constructors

Constructor and Description
EntityManagerService()

Method Summary

Methods

Modifier and Type	Method and Description
void	endRequest(org.exoplatform.container.ExoContainer container)
String	getDatasourceName()
javax.persistence.EntityManager	getEntityManager()
void	setDatasourceName(String datasourceName)
void	startRequest(org.exoplatform.container.ExoContainer container)

Methods inherited from class java.lang.Object

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

Field Detail

PERSISTENCE_UNIT_NAME

public static final String PERSISTENCE_UNIT_NAME

See Also:

Constant Field Values

Constructor Detail

EntityManagerService

public EntityManagerService()

Method Detail

getDatasourceName

public String getDatasourceName()

setDatasourceName

public void setDatasourceName(String datasourceName)

getEntityManager

public javax.persistence.EntityManager getEntityManager()

Returns:

the EntityManager instance available in current request lifecycle. Otherwise, it returns NULL.

startRequest

public void startRequest(org.exoplatform.container.ExoContainer container)

Specified by:

startRequest in interface org.exoplatform.container.component.ComponentRequestLifecycle

endRequest

public void endRequest(org.exoplatform.container.ExoContainer container)

Specified by:

endRequest in interface org.exoplatform.container.component.ComponentRequestLifecycle