org.granite.tide.data
Class JPAPersistenceAdapter

java.lang.Object
  org.granite.tide.data.JPAPersistenceAdapter

All Implemented Interfaces:

TidePersistenceAdapter

public class JPAPersistenceAdapter
extends Object
implements TidePersistenceAdapter

Implementation of Tide persistence adapter with a JPA EntityManager

Author:

William DRAI

Field Summary

protected EntityManager

entityManager

Constructor Summary

JPAPersistenceAdapter(EntityManager entityManager)

Method Summary

Object	find(Class<?> entityClass, Serializable id) Find an entity in the persistence context
void	throwOptimisticLockException(Object entity) Throw an optimistic locking error

Methods inherited from class java.lang.Object

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

Field Detail

entityManager

protected EntityManager entityManager

Constructor Detail

JPAPersistenceAdapter

public JPAPersistenceAdapter(EntityManager entityManager)

Method Detail

find

public Object find(Class<?> entityClass,
                   Serializable id)

Find an entity in the persistence context

Specified by:

find in interface TidePersistenceAdapter

Parameters:

entityClass - class of the looked up entity

id - entity identifier

Returns:

the entity with the persistence context.

throwOptimisticLockException

public void throwOptimisticLockException(Object entity)

Throw an optimistic locking error

Specified by:

throwOptimisticLockException in interface TidePersistenceAdapter

Parameters:

entity - entity instance loaded from the database