Examples of javax.persistence.spi.PersistenceProvider

javax.persistence.spi.PersistenceProvider
Interface implemented by the persistence provider. This interface is used to create an EntityManagerFactory. It is invoked by the container in Java EE environments and by the Persistence class in Java SE environments.

    if (jpaVendorAdapter != null && this.persistenceUnitInfo instanceof SmartPersistenceUnitInfo) {
      ((SmartPersistenceUnitInfo) this.persistenceUnitInfo).setPersistenceProviderPackageName(
          jpaVendorAdapter.getPersistenceProviderRootPackage());
    }


    PersistenceProvider provider = getPersistenceProvider();
    if (provider == null) {
      String providerClassName = this.persistenceUnitInfo.getPersistenceProviderClassName();
      if (providerClassName == null) {
        throw new IllegalArgumentException(
            "No PersistenceProvider specified in EntityManagerFactory configuration, " +
            "and chosen PersistenceUnitInfo does not specify a provider class name either");
      }
      Class<?> providerClass = ClassUtils.resolveClassName(providerClassName, getBeanClassLoader());
      provider = (PersistenceProvider) BeanUtils.instantiateClass(providerClass);
    }
    if (provider == null) {
      throw new IllegalStateException("Unable to determine persistence provider. " +
          "Please check configuration of " + getClass().getName() + "; " +
          "ideally specify the appropriate JpaVendorAdapter class for this provider.");
    }


    if (logger.isInfoEnabled()) {
      logger.info("Building JPA container EntityManagerFactory for persistence unit '" +
          this.persistenceUnitInfo.getPersistenceUnitName() + "'");
    }
    this.nativeEntityManagerFactory =
        provider.createContainerEntityManagerFactory(this.persistenceUnitInfo, getJpaPropertyMap());
    postProcessEntityManagerFactory(this.nativeEntityManagerFactory, this.persistenceUnitInfo);


    return this.nativeEntityManagerFactory;
  }

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      managerToUse = this.internalPersistenceUnitManager;
    }


    this.persistenceUnitInfo = determinePersistenceUnitInfo(managerToUse);


    PersistenceProvider provider = getPersistenceProvider();
    if (provider == null) {
      String providerClassName = this.persistenceUnitInfo.getPersistenceProviderClassName();
      if (providerClassName == null) {
        throw new IllegalArgumentException(
            "No PersistenceProvider specified in EntityManagerFactory configuration, " +
            "and chosen PersistenceUnitInfo does not specify a provider class name either");
      }
      Class providerClass = ClassUtils.resolveClassName(providerClassName, this.beanClassLoader);
      provider = (PersistenceProvider) BeanUtils.instantiateClass(providerClass);
    }
    if (provider == null) {
      throw new IllegalStateException("Unable to determine persistence provider. " +
          "Please check configuration of " + getClass().getName() + "; " +
          "ideally specify the appropriate JpaVendorAdapter class for this provider.");
    }


    if (logger.isInfoEnabled()) {
      logger.info("Building JPA container EntityManagerFactory for persistence unit '" +
          this.persistenceUnitInfo.getPersistenceUnitName() + "'");
    }
    this.nativeEntityManagerFactory =
        provider.createContainerEntityManagerFactory(this.persistenceUnitInfo, getJpaPropertyMap());
    postProcessEntityManagerFactory(this.nativeEntityManagerFactory, this.persistenceUnitInfo);


    return this.nativeEntityManagerFactory;
  }

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      managerToUse = this.internalPersistenceUnitManager;
    }


    this.persistenceUnitInfo = determinePersistenceUnitInfo(managerToUse);


    PersistenceProvider provider = getPersistenceProvider();
    if (provider == null) {
      String providerClassName = this.persistenceUnitInfo.getPersistenceProviderClassName();
      if (providerClassName == null) {
        throw new IllegalArgumentException(
            "No PersistenceProvider specified in EntityManagerFactory configuration, " +
            "and chosen PersistenceUnitInfo does not specify a provider class name either");
      }
      Class providerClass = ClassUtils.resolveClassName(providerClassName, this.beanClassLoader);
      provider = (PersistenceProvider) BeanUtils.instantiateClass(providerClass);
    }
    if (provider == null) {
      throw new IllegalStateException("Unable to determine persistence provider. " +
          "Please check configuration of " + getClass().getName() + "; " +
          "ideally specify the appropriate JpaVendorAdapter class for this provider.");
    }


    if (logger.isInfoEnabled()) {
      logger.info("Building JPA container EntityManagerFactory for persistence unit '" +
          this.persistenceUnitInfo.getPersistenceUnitName() + "'");
    }
    this.nativeEntityManagerFactory =
        provider.createContainerEntityManagerFactory(this.persistenceUnitInfo, getJpaPropertyMap());
    postProcessEntityManagerFactory(this.nativeEntityManagerFactory, this.persistenceUnitInfo);


    return this.nativeEntityManagerFactory;
  }

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    if (jpaVendorAdapter != null && this.persistenceUnitInfo instanceof MutablePersistenceUnitInfo) {
      ((MutablePersistenceUnitInfo) this.persistenceUnitInfo).setPersistenceProviderPackageName(
          jpaVendorAdapter.getPersistenceProviderRootPackage());
    }


    PersistenceProvider provider = getPersistenceProvider();
    if (provider == null) {
      String providerClassName = this.persistenceUnitInfo.getPersistenceProviderClassName();
      if (providerClassName == null) {
        throw new IllegalArgumentException(
            "No PersistenceProvider specified in EntityManagerFactory configuration, " +
            "and chosen PersistenceUnitInfo does not specify a provider class name either");
      }
      Class providerClass = ClassUtils.resolveClassName(providerClassName, getBeanClassLoader());
      provider = (PersistenceProvider) BeanUtils.instantiateClass(providerClass);
    }
    if (provider == null) {
      throw new IllegalStateException("Unable to determine persistence provider. " +
          "Please check configuration of " + getClass().getName() + "; " +
          "ideally specify the appropriate JpaVendorAdapter class for this provider.");
    }


    if (logger.isInfoEnabled()) {
      logger.info("Building JPA container EntityManagerFactory for persistence unit '" +
          this.persistenceUnitInfo.getPersistenceUnitName() + "'");
    }
    this.nativeEntityManagerFactory =
        provider.createContainerEntityManagerFactory(this.persistenceUnitInfo, getJpaPropertyMap());
    postProcessEntityManagerFactory(this.nativeEntityManagerFactory, this.persistenceUnitInfo);


    return this.nativeEntityManagerFactory;
  }

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                excludeUnlistedClassesValue,
                properties,
                classLoader);
        try {
            Class clazz = classLoader.loadClass(persistenceProviderClassName);
            PersistenceProvider persistenceProvider = (PersistenceProvider) clazz.newInstance();
            entityManagerFactory = persistenceProvider.createContainerEntityManagerFactory(persistenceUnitInfo, properties);
        } catch (ClassNotFoundException e) {
            persistenceUnitInfo.destroy();
            throw new PersistenceException("Could not locate PersistenceProvider class: " + persistenceProviderClassName + " in classloader " + classLoader, e);
        } catch (InstantiationException e) {
            persistenceUnitInfo.destroy();

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    /* (non-Javadoc)
     * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
     */
    public void start(BundleContext ctx) throws Exception {
        this.ctx = ctx;
        PersistenceProvider provider = new PersistenceProviderImpl();
        Hashtable<String, String> props = new Hashtable<String, String>();
        // Aries queries for service providers by property "javax.persistence.provider"
        props.put(PERSISTENCE_PROVIDER_ARIES, OSGI_PERSISTENCE_PROVIDER);
        // The persistence service tracker in the geronimo spec api bundle examines
        // the property named "javax.persistence.PersistenceProvider" rather than

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        assertEquals(LoadState.UNKNOWN, pu.isLoadedWithoutReference(ent,
            "transField"));        
    }
    
    private ProviderUtil getProviderUtil() {
        PersistenceProvider pp = new PersistenceProviderImpl(); 
        ProviderUtil pu = pp.getProviderUtil();
        return pu;
    }

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    hash1.put(Constants.SERVICE_RANKING, Integer.MAX_VALUE);
    ServiceRegistration reg = persistenceBundle.getBundleContext().registerService(new String[] {PersistenceProvider.class.getName()} ,
        pp, hash1 );
    ServiceReference ppRef = reg.getReference();
    
    PersistenceProvider pp2 = Skeleton.newMock(PersistenceProvider.class);
    Hashtable<String,Object> hash2 = new Hashtable<String, Object>();
    hash2.put("javax.persistence.provider", "do.not.use.this.Provider");
    hash2.put(Constants.SERVICE_RANKING, Integer.MIN_VALUE);
    ServiceRegistration reg2 = persistenceBundle.getBundleContext().registerService(new String[] {PersistenceProvider.class.getName()} ,
        pp2, hash2 );

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    hash1.put(Constants.SERVICE_RANKING, Integer.MIN_VALUE);
    ServiceRegistration reg = persistenceBundle.getBundleContext().registerService(new String[] {PersistenceProvider.class.getName()} ,
        pp, hash1 );
    ServiceReference ppRef = reg.getReference();
    
    PersistenceProvider pp2 = Skeleton.newMock(PersistenceProvider.class);
    Hashtable<String,Object> hash2 = new Hashtable<String, Object>();
    hash2.put("javax.persistence.provider", "do.not.use.this.Provider");
    hash2.put(Constants.SERVICE_RANKING, Integer.MAX_VALUE);
    ServiceRegistration reg2 = persistenceBundle.getBundleContext().registerService(new String[] {PersistenceProvider.class.getName()} ,
        pp2, hash2 );

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    hash1.put("javax.persistence.provider", "no.such.Provider");
    ServiceRegistration reg = persistenceBundle.getBundleContext().registerService(new String[] {PersistenceProvider.class.getName()} ,
        pp, hash1 );
    ServiceReference ref = reg.getReference();


    PersistenceProvider pp2 = Skeleton.newMock(PersistenceProvider.class);
    Hashtable<String,Object> hash2 = new Hashtable<String, Object>();
    hash2.put("javax.persistence.provider", "do.not.use.this.Provider");
    hash2.put(Constants.SERVICE_RANKING, Integer.MAX_VALUE);
    ServiceRegistration reg2 = persistenceBundle.getBundleContext().registerService(new String[] {PersistenceProvider.class.getName()} ,
        pp2, hash2 );

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