play.db.jpa

Class JPAEntityManagerContext

java.lang.Object

java.lang.ThreadLocal<Deque<javax.persistence.EntityManager>>

play.db.jpa.JPAEntityManagerContext

public class JPAEntityManagerContext
extends ThreadLocal<Deque<javax.persistence.EntityManager>>

Constructor Summary

Constructors

Constructor and Description
JPAEntityManagerContext()

Method Summary

Modifier and Type	Method and Description
javax.persistence.EntityManager	em() Get the default EntityManager for this thread.
Deque<javax.persistence.EntityManager>	emStack(boolean threadLocalFallback) Get the EntityManager stack.
Deque<javax.persistence.EntityManager>	initialValue()
void	pop(boolean threadLocalFallback)
void	push(javax.persistence.EntityManager em, boolean threadLocalFallback)

Methods inherited from class java.lang.ThreadLocal

get, remove, set, withInitial

Methods inherited from class java.lang.Object

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

Constructor Detail

JPAEntityManagerContext

public JPAEntityManagerContext()

Method Detail

initialValue

public Deque<javax.persistence.EntityManager> initialValue()

Overrides:

initialValue in class ThreadLocal<Deque<javax.persistence.EntityManager>>

em

public javax.persistence.EntityManager em()

Get the default EntityManager for this thread.

Returns:

the EntityManager

Throws:

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

emStack

public Deque<javax.persistence.EntityManager> emStack(boolean threadLocalFallback)

Get the EntityManager stack.

Parameters:

threadLocalFallback - if true, fall back to a ThreadLocal queue of entity managers if no HTTP.Context object is found.

Returns:

the queue of entity managers.

push

public void push(javax.persistence.EntityManager em,
                 boolean threadLocalFallback)

pop

public void pop(boolean threadLocalFallback)