org.jboss.aerogear.unifiedpush.jpa.dao.impl

Class JPABaseDao<T,K>

java.lang.Object

org.jboss.aerogear.unifiedpush.jpa.dao.impl.JPABaseDao<T,K>

All Implemented Interfaces:

GenericBaseDao<T,K>

Direct Known Subclasses:

JPACategoryDao, JPAFlatPushMessageInformationDao, JPAInstallationDao, JPAPushApplicationDao, JPAVariantDao

public abstract class JPABaseDao<T,K>
extends Object
implements GenericBaseDao<T,K>

Field Summary

Fields

Modifier and Type	Field and Description
protected javax.persistence.EntityManager	entityManager

Constructor Summary

Constructors

Constructor and Description
JPABaseDao()

Method Summary

Modifier and Type	Method and Description
void	create(T entity)
protected org.hibernate.Query	createHibernateQuery(String hql)
protected javax.persistence.TypedQuery<T>	createQuery(String jpql)
protected <O> javax.persistence.TypedQuery<O>	createQuery(String jpql, Class<O> type)
protected javax.persistence.Query	createUntypedQuery(String jpql)
void	delete(T entity)
T	find(K id)
void	flushAndClear() Write pending objects to the database and clear session-scoped cache
protected T	getSingleResultForQuery(javax.persistence.TypedQuery<T> query)
abstract Class<T>	getType()
void	lock(T entity) Pessimistic write lock on entity
void	setEntityManager(javax.persistence.EntityManager entityManager) Hook to manually inject an EntityManager.
void	update(T entity)

Methods inherited from class java.lang.Object

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

Field Detail

entityManager

@Inject
protected javax.persistence.EntityManager entityManager

Constructor Detail

JPABaseDao

public JPABaseDao()

Method Detail

setEntityManager

public void setEntityManager(javax.persistence.EntityManager entityManager)

Hook to manually inject an EntityManager.

Parameters:

entityManager - the EntityManager for this DAO class

createQuery

protected javax.persistence.TypedQuery<T> createQuery(String jpql)

createUntypedQuery

protected javax.persistence.Query createUntypedQuery(String jpql)

createQuery

protected <O> javax.persistence.TypedQuery<O> createQuery(String jpql,
                                                          Class<O> type)

createHibernateQuery

protected org.hibernate.Query createHibernateQuery(String hql)

getType

public abstract Class<T> getType()

find

public T find(K id)

Specified by:

find in interface GenericBaseDao<T,K>

create

public void create(T entity)

Specified by:

create in interface GenericBaseDao<T,K>

update

public void update(T entity)

Specified by:

update in interface GenericBaseDao<T,K>

lock

public void lock(T entity)

Pessimistic write lock on entity

Specified by:

lock in interface GenericBaseDao<T,K>

delete

public void delete(T entity)

Specified by:

delete in interface GenericBaseDao<T,K>

flushAndClear

public void flushAndClear()

Write pending objects to the database and clear session-scoped cache

Specified by:

flushAndClear in interface GenericBaseDao<T,K>

getSingleResultForQuery

protected T getSingleResultForQuery(javax.persistence.TypedQuery<T> query)