org.fryske_akademy.jpa

Class JpaUtil

java.lang.Object

org.fryske_akademy.jpa.JpaUtil

public class JpaUtil
extends Object

Constructor Summary

Constructors

Constructor and Description
JpaUtil()

Method Summary

Modifier and Type	Method and Description
static <T> List<T>	findAll(Class<T> type, javax.persistence.EntityManager entityManager)
static Principal	findPrincipal() Looks for principal in CDI
static Optional<EntityInterface>	fromException(Throwable ex) looks for an EntityInterface in a EntityException or ConstraintViolationException (in the first ConstraintViolation).
static javax.persistence.EntityManagerFactory	getEntityManagerFactory(String name) return a cached EntityManagerFactory, make sure you close it when it is not needed anymore.

Methods inherited from class java.lang.Object

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

Constructor Detail

JpaUtil

public JpaUtil()

Method Detail

getEntityManagerFactory

public static javax.persistence.EntityManagerFactory getEntityManagerFactory(String name)

return a cached EntityManagerFactory, make sure you close it when it is not needed anymore.

Parameters:

name -

Returns:

findPrincipal

public static Principal findPrincipal()
                               throws IllegalStateException

Looks for principal in CDI

Returns:

Throws:

IllegalStateException

findAll

public static <T> List<T> findAll(Class<T> type,
                                  javax.persistence.EntityManager entityManager)

fromException

public static Optional<EntityInterface> fromException(Throwable ex)

looks for an EntityInterface in a EntityException or ConstraintViolationException (in the first ConstraintViolation).

Parameters:

ex -

Returns:

an EntityInterface or empty optional