Examples of org.springframework.orm.jpa.support.OpenEntityManagerInViewInterceptor

Package org.springframework.orm.jpa.support

Examples of org.springframework.orm.jpa.support.OpenEntityManagerInViewInterceptor

org.springframework.orm.jpa.support.OpenEntityManagerInViewInterceptor
Spring web request interceptor that binds a JPA EntityManager to the thread for the entire processing of the request. Intended for the "Open EntityManager in View" pattern, i.e. to allow for lazy loading in web views despite the original transactions already being completed.
This interceptor makes JPA EntityManagers available via the current thread, which will be autodetected by transaction managers. It is suitable for service layer transactions via {@link org.springframework.orm.jpa.JpaTransactionManager}or {@link org.springframework.transaction.jta.JtaTransactionManager} as wellas for non-transactional read-only execution.
In contrast to {@link OpenEntityManagerInViewFilter}, this interceptor is set up in a Spring application context and can thus take advantage of bean wiring. It inherits common JPA configuration properties from {@link org.springframework.orm.jpa.JpaAccessor}, to be configured in a bean definition. @author Juergen Hoeller @since 2.0 @see OpenEntityManagerInViewFilter @see org.springframework.orm.jpa.JpaInterceptor @see org.springframework.orm.jpa.JpaTransactionManager @see org.springframework.orm.jpa.JpaTemplate#execute @see org.springframework.orm.jpa.SharedEntityManagerCreator @see org.springframework.transaction.support.TransactionSynchronizationManager

      registry.addWebRequestInterceptor(openEntityManagerInViewInterceptor());
    }


    @Bean
    public OpenEntityManagerInViewInterceptor openEntityManagerInViewInterceptor() {
      return new OpenEntityManagerInViewInterceptor();
    }

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  public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
    String[] beanNames = BeanFactoryUtils.beanNamesForTypeIncludingAncestors((ListableBeanFactory) beanFactory,
        EntityManagerFactory.class);
    for (String s : beanNames) {
      EntityManagerFactory emf = (EntityManagerFactory) beanFactory.getBean(s);
      OpenEntityManagerInViewInterceptor omivi = new OpenEntityManagerInViewInterceptor();
      omivi.setEntityManagerFactory(emf);
      interceptor.add(omivi);
    }
  }

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      registry.addWebRequestInterceptor(openEntityManagerInViewInterceptor());
    }


    @Bean
    public OpenEntityManagerInViewInterceptor openEntityManagerInViewInterceptor() {
      return new OpenEntityManagerInViewInterceptor();
    }

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        return new TimeZoneInterceptor("timezone");
    }


    @Bean
    public OpenEntityManagerInViewInterceptor openEntityManagerInViewInterceptor() {
        OpenEntityManagerInViewInterceptor openEntityManagerInViewInterceptor = new OpenEntityManagerInViewInterceptor();
        openEntityManagerInViewInterceptor.setEntityManagerFactory(entityManagerFactory);
        return openEntityManagerInViewInterceptor;
    }

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