com.holonplatform.datastore.jpa

Interface JpaDatastore.EntityManagerInitializer

All Known Subinterfaces:

JpaDatastore.EntityManagerLifecycleHandler, SpringEntityManagerLifecycleHandler

Enclosing interface:

JpaDatastore

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface JpaDatastore.EntityManagerInitializer

Interface to provide EntityManager instance to use when executing a Datastore operation

Method Summary

Modifier and Type	Method and Description
static JpaDatastore.EntityManagerInitializer	createDefault() Create a default JpaDatastore.EntityManagerInitializer, which uses EntityManagerFactory.createEntityManager() to create a new EntityManager instance.
javax.persistence.EntityManager	getEntityManager(javax.persistence.EntityManagerFactory entityManagerFactory) Get/create the EntityManager instance to use when executing a Datastore operation

Method Detail

getEntityManager

javax.persistence.EntityManager getEntityManager(javax.persistence.EntityManagerFactory entityManagerFactory)

Get/create the EntityManager instance to use when executing a Datastore operation

Parameters:

entityManagerFactory - EntityManagerFactory bound to the Datastore

Returns:

EntityManager to use

createDefault

static JpaDatastore.EntityManagerInitializer createDefault()

Create a default JpaDatastore.EntityManagerInitializer, which uses EntityManagerFactory.createEntityManager() to create a new EntityManager instance.

Returns:

A default JpaDatastore.EntityManagerInitializer