JpaUtil (jpaservices 18.0 API)

java.lang.Object
- org.fryske_akademy.jpa.JpaUtil

```
public class JpaUtil
extends Object
```

Constructor Summary

Constructors
Constructor Description

JpaUtil()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static <T> List<T>`	`findAll(Class<T> type, jakarta.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 jakarta.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 jakarta.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,
                                  jakarta.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