Examples of javax.persistence.EntityManagerFactory

javax.persistence.EntityManagerFactory
Interface used to interact with the entity manager factory for the persistence unit.
When the application has finished using the entity manager factory, and/or at application shutdown, the application should close the entity manager factory. Once an EntityManagerFactory has been closed, all its entity managers are considered to be in the closed state. @since Java Persistence 1.0


        Map propsMap = new HashMap();
        propsMap.put("openjpa.DataCache", "true");
        propsMap.put("openjpa.RemoteCommitProvider", "sjvm");
        propsMap.put("openjpa.BrokerImpl", CacheTestBroker.class.getName());
        EntityManagerFactory emf =
            getEmf(propsMap);
        _factory = JPAFacadeHelper.toBrokerFactory(emf);
        Broker broker = _factory.newBroker();
        try {
            broker.begin();

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        if (ref.location != null) {
            resource.setProperty(JNDI_NAME, ref.location.jndiName);
            resource.setProperty(JNDI_PROVIDER_ID, ref.location.jndiProviderId);
        } else {
            Context context = SystemInstance.get().getComponent(ContainerSystem.class).getJNDIContext();
            EntityManagerFactory factory;
            try {
                factory = (EntityManagerFactory) context.lookup("openejb/PersistenceUnit/" + ref.unitId);
            } catch (NamingException e) {
                throw new IllegalStateException("PersistenceUnit '" + ref.unitId + "' not found for EXTENDED ref '" + ref.referenceName.replaceAll("^comp/env/", "") + "'");
            }

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            resource.setProperty(JNDI_NAME, ref.location.jndiName);
            resource.setProperty(JNDI_PROVIDER_ID, ref.location.jndiProviderId);
        } else {
            // TODO: This will not work if webapps don't use AutoConfi
            Context context = SystemInstance.get().getComponent(ContainerSystem.class).getJNDIContext();
            EntityManagerFactory factory;
            try {
                factory = (EntityManagerFactory) context.lookup("openejb/PersistenceUnit/" + ref.unitId);
            } catch (NamingException e) {
                throw new IllegalStateException("PersistenceUnit '" + ref.unitId + "' not found for EXTENDED ref '" + ref.referenceName.replaceAll("^comp/env/", "") + "'");
            }

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        PersistenceProvider persistenceProvider = (PersistenceProvider) clazz.newInstance();


        // Create entity manager factories with the validator factory
        Map<String, Object> properties = new HashMap<String, Object>();
        properties.put("javax.persistence.validator.ValidatorFactory", new ValidatorFactoryWrapper());
        EntityManagerFactory emf = persistenceProvider.createContainerEntityManagerFactory(unitInfo, properties);


        if (unitInfo.getNonJtaDataSource() != null) {
            final ImportSql importer = new ImportSql(appClassLoader, unitInfo.getPersistenceUnitName(), unitInfo.getNonJtaDataSource());
            if (importer.hasSomethingToImport()) {
                emf.createEntityManager().close(); // to let OpenJPA create the database if configured this way
                importer.doImport();
            }
        }


        return emf;

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        Index<EntityManagerFactory, Map> factories = beanContext.getExtendedEntityManagerFactories();
        Index<EntityManagerFactory, JtaEntityManagerRegistry.EntityManagerTracker> entityManagers = null;
        if (factories != null && factories.size() > 0) {
            entityManagers  = new Index<EntityManagerFactory, JtaEntityManagerRegistry.EntityManagerTracker>(new ArrayList<EntityManagerFactory>(factories.keySet()));
            for (Map.Entry<EntityManagerFactory, Map> entry : factories.entrySet()) {
                EntityManagerFactory entityManagerFactory = entry.getKey();
                Map properties = entry.getValue();




                JtaEntityManagerRegistry.EntityManagerTracker entityManagerTracker = entityManagerRegistry.getInheritedEntityManager(entityManagerFactory);
                EntityManager entityManager;
                if (entityManagerTracker == null) {
                    if (properties != null) {
                        entityManager = entityManagerFactory.createEntityManager(properties);
                    } else {
                        entityManager = entityManagerFactory.createEntityManager();
                    }
                    entityManagerTracker = new JtaEntityManagerRegistry.EntityManagerTracker(entityManager);
                } else {
                    entityManagerTracker.incCounter();
                }

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                    }
                    Class clazz = classLoader.loadClass(unit.provider);
                    PersistenceProvider persistenceProvider = (PersistenceProvider) clazz.newInstance();


                    // Create entity manager factory
                    EntityManagerFactory emf = persistenceProvider.createContainerEntityManagerFactory(info, new HashMap());
                    debug("success: " + provider);
                } catch (Throwable e) {
                    debug("failed: " + provider, e);
                }
            }

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                bindings.put(normalize(contextInfo.referenceName), reference);
                continue;
            }


            Context context = SystemInstance.get().getComponent(ContainerSystem.class).getJNDIContext();
            EntityManagerFactory factory;
            try {
                String jndiName = PersistenceBuilder.getOpenEJBJndiName(contextInfo.unitId);
                factory = (EntityManagerFactory) context.lookup(jndiName);
            } catch (NamingException e) {
                throw new OpenEJBException("PersistenceUnit '" + contextInfo.unitId + "' not found for EXTENDED ref '" + contextInfo.referenceName + "'");

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        ) ) {
          //correct provider
          Map<Object,Object> protectiveCopy = new HashMap<Object,Object>(integration);
          enforceOgmConfig( protectiveCopy );
          protectiveCopy.put( AvailableSettings.PROVIDER, delegate.getClass().getName() );
          final EntityManagerFactory coreEMF = delegate.createEntityManagerFactory(
              emName, protectiveCopy
          );
          if ( coreEMF != null ) {
            //delegate might return null to refuse the configuration
            //(like when the configuration file is not defining the expected persistent unit)

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      Map<Object,Object> protectiveCopy = map != null ? new HashMap<Object,Object>(map) : new HashMap<Object,Object>();
      enforceOgmConfig( protectiveCopy );
      //HEM only builds an EntityManagerFactory when HibernatePersistence.class.getName() is the PersistenceProvider
      //that's why we override it when
      //new DelegatorPersistenceUnitInfo(info)
      final EntityManagerFactory coreEMF = delegate.createContainerEntityManagerFactory(
          new DelegatorPersistenceUnitInfo(
              info
          ),
          protectiveCopy
      );

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    public synchronized Map<EntityManagerFactory, EntityManager> getEntityManagers(Index<EntityManagerFactory, Map> factories) {
        if (entityManagers == null && entityManagerArray != null) {
            entityManagers = new HashMap<EntityManagerFactory, EntityManager>();
            for (int i = 0; i < entityManagerArray.length; i++) {
                EntityManagerFactory entityManagerFactory = factories.getKey(i);
                EntityManager entityManager = entityManagerArray[i];
                entityManagers.put(entityManagerFactory, entityManager);
            }
        }
        return entityManagers;

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