Package cz.cvut.kbss.jopa

Class Persistence

java.lang.Object

cz.cvut.kbss.jopa.Persistence

public class Persistence
extends Object

Bootstrap class that is used to obtain an EntityManagerFactory.

The Persistence class is also used to obtain a PersistenceUtil instance.

Method Summary

Modifier and Type	Method	Description
static EntityManagerFactory	createEntityManagerFactory(String persistenceUnitName)	Create and return an EntityManagerFactory for the named persistence unit.
static EntityManagerFactory	createEntityManagerFactory(String persistenceUnitName, Map<String,String> properties)	Create and return an EntityManagerFactory for the named persistence unit using the given properties.
static PersistenceUtil	getPersistenceUtil()	Return the PersistenceUtil instance

Methods inherited from class java.lang.Object

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

Method Details

createEntityManagerFactory

public static EntityManagerFactory createEntityManagerFactory(String persistenceUnitName)

Create and return an EntityManagerFactory for the named persistence unit.

Parameters:

persistenceUnitName - the name of the persistence unit

Returns:

the factory that creates EntityManagers configured according to the specified persistence unit

createEntityManagerFactory

public static EntityManagerFactory createEntityManagerFactory(String persistenceUnitName,
 Map<String,String> properties)

Create and return an EntityManagerFactory for the named persistence unit using the given properties.

Parameters:

persistenceUnitName - the name of the persistence unit

properties - Additional properties to use when creating the factory. The values of these properties override any values that may have been configured elsewhere

Returns:

the factory that creates EntityManagers configured according to the specified persistence unit

getPersistenceUtil

public static PersistenceUtil getPersistenceUtil()

Return the PersistenceUtil instance

Returns:

PersistenceUtil instance