play.db.jpa

Class JPA

java.lang.Object

play.db.jpa.JPA

public class JPA
extends java.lang.Object

JPA Helpers.

Constructor Summary

Constructors

Constructor and Description
JPA()

Method Summary

Modifier and Type	Method and Description
static void	bindForSync(javax.persistence.EntityManager em) Bind an EntityManager to the current HTTP context.
static JPAApi	createFor(java.lang.String unitName) Create a default JPAApi with name "default" and the given unit name.
static JPAApi	createFor(java.lang.String name, java.lang.String unitName) Create a default JPAApi with the given persistence unit configuration.
static javax.persistence.EntityManager	em() Get the default EntityManager for this thread.

Methods inherited from class java.lang.Object

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

Constructor Detail

JPA

public JPA()

Method Detail

createFor

public static JPAApi createFor(java.lang.String name,
                               java.lang.String unitName)

Create a default JPAApi with the given persistence unit configuration. Automatically initialise the JPA entity manager factories.

Parameters:

name - the EntityManagerFactory's name

unitName - the persistence unit's name

Returns:

the configured JPAApi

createFor

public static JPAApi createFor(java.lang.String unitName)

Create a default JPAApi with name "default" and the given unit name. Automatically initialise the JPA entity manager factories.

Parameters:

unitName - the persistence unit's name

Returns:

the configured JPAApi

em

public static javax.persistence.EntityManager em()

Get the default EntityManager for this thread.

Returns:

the EntityManager

Throws:

java.lang.RuntimeException - if no EntityManager is bound to the current Http.Context or the current Thread.

bindForSync

public static void bindForSync(javax.persistence.EntityManager em)

Bind an EntityManager to the current HTTP context. If no HTTP context is available the EntityManager gets bound to the current thread instead.

Parameters:

em - the EntityManager to bind to this HTTP context.