Examples of org.springframework.orm.jpa.LocalEntityManagerFactoryBean

org.springframework.orm.jpa.LocalEntityManagerFactoryBean
{@link org.springframework.beans.factory.FactoryBean} that creates a JPA{@link javax.persistence.EntityManagerFactory} according to JPA's standardstandalone bootstrap contract. This is the simplest way to set up a shared JPA EntityManagerFactory in a Spring application context; the EntityManagerFactory can then be passed to JPA-based DAOs via dependency injection. Note that switching to a JNDI lookup or to a {@link org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean}definition is just a matter of configuration!
Configuration settings are usually read from a META-INF/persistence.xml config file, residing in the class path, according to the JPA standalone bootstrap contract. Additionally, most JPA providers will require a special VM agent (specified on JVM startup) that allows them to instrument application classes. See the Java Persistence API specification and your provider documentation for setup details.
This EntityManagerFactory bootstrap is appropriate for standalone applications which solely use JPA for data access. If you want to set up your persistence provider for an external DataSource and/or for global transactions which span multiple resources, you will need to either deploy it into a full Java EE 5 application server and access the deployed EntityManagerFactory via JNDI, or use Spring's {@link LocalContainerEntityManagerFactoryBean} with appropriateconfiguration for local setup according to JPA's container contract.
Note: This FactoryBean has limited configuration power in terms of what configuration it is able to pass to the JPA provider. If you need more flexible configuration, for example passing a Spring-managed JDBC DataSource to the JPA provider, consider using Spring's more powerful {@link LocalContainerEntityManagerFactoryBean} instead. @author Juergen Hoeller @author Rod Johnson @since 2.0 @see #setJpaProperties @see #setJpaVendorAdapter @see JpaTemplate#setEntityManagerFactory @see JpaTransactionManager#setEntityManagerFactory @see LocalContainerEntityManagerFactoryBean @see org.springframework.jndi.JndiObjectFactoryBean @see org.springframework.orm.jpa.support.SharedEntityManagerBean @see javax.persistence.Persistence#createEntityManagerFactory @see javax.persistence.spi.PersistenceProvider#createEntityManagerFactory

    protected void validate() {
        ObjectHelper.notNull(getEntityManagerFactory(), "entityManagerFactory");
    }


    protected EntityManagerFactory createEntityManagerFactory() {
        LocalEntityManagerFactoryBean emfBean = new LocalEntityManagerFactoryBean();
        emfBean.setPersistenceUnitName(persistenceUnit);
        emfBean.setJpaPropertyMap(getEntityManagerProperties());
        emfBean.afterPropertiesSet();
        return emfBean.getObject();
    }

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    protected void validate() {
        ObjectHelper.notNull(getEntityManagerFactory(), "entityManagerFactory");
    }


    protected EntityManagerFactory createEntityManagerFactory() {
        LocalEntityManagerFactoryBean emfBean = new LocalEntityManagerFactoryBean();
        emfBean.setPersistenceUnitName(persistenceUnit);
        emfBean.setJpaPropertyMap(getEntityManagerProperties());
        emfBean.afterPropertiesSet();
        return emfBean.getObject();
    }

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    protected void validate() {
        ObjectHelper.notNull(getEntityManagerFactory(), "entityManagerFactory");
    }


    protected EntityManagerFactory createEntityManagerFactory() {
        LocalEntityManagerFactoryBean emfBean = new LocalEntityManagerFactoryBean();
        emfBean.setPersistenceUnitName(persistenceUnit);
        emfBean.setJpaPropertyMap(getEntityManagerProperties());
        emfBean.afterPropertiesSet();
        return emfBean.getObject();
    }

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    protected void validate() {
        ObjectHelper.notNull(getEntityManagerFactory(), "entityManagerFactory");
    }


    protected EntityManagerFactory createEntityManagerFactory() {
        LocalEntityManagerFactoryBean emfBean = new LocalEntityManagerFactoryBean();
        emfBean.setPersistenceUnitName(persistenceUnit);
        emfBean.setJpaPropertyMap(getEntityManagerProperties());
        emfBean.afterPropertiesSet();
        return emfBean.getObject();
    }

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    protected void validate() {
        ObjectHelper.notNull(getEntityManagerFactory(), "entityManagerFactory");
    }


    protected EntityManagerFactory createEntityManagerFactory() {
        LocalEntityManagerFactoryBean emfBean = new LocalEntityManagerFactoryBean();
        emfBean.setPersistenceUnitName(persistenceUnit);
        emfBean.setJpaPropertyMap(getEntityManagerProperties());
        emfBean.afterPropertiesSet();
        return emfBean.getObject();
    }

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        assertThat(personService1, is(sameInstance(personService2)));
    }


    @Test
    public void bindsProxiedBean() {
        LocalEntityManagerFactoryBean factory = injector.getInstance(LocalEntityManagerFactoryBean.class);
        assertThat(factory, is(not(nullValue())));
    }

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    protected void validate() {
        ObjectHelper.notNull(getEntityManagerFactory(), "entityManagerFactory");
    }


    protected EntityManagerFactory createEntityManagerFactory() {
        LocalEntityManagerFactoryBean emfBean = new LocalEntityManagerFactoryBean();
        emfBean.setPersistenceUnitName(persistenceUnit);
        emfBean.setJpaPropertyMap(getEntityManagerProperties());
        emfBean.afterPropertiesSet();
        return emfBean.getObject();
    }

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org.apache.rave.inject.SpringBindingModuleTest

javax.persistence.spi.PersistenceProvider

javax.persistence.EntityManagerFactory

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