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

Fields

Modifier and Type	Field and Description
protected EntityManager	entityManager

Constructor Summary

Constructors

Constructor and Description
JPAPersistenceAdapter(EntityManager entityManager)

Method Summary

Methods

Modifier and Type	Method and Description
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