Example usage for org.springframework.orm.jpa LocalContainerEntityManagerFactoryBean getDataSource

Introduction

In this page you can find the example usage for org.springframework.orm.jpa LocalContainerEntityManagerFactoryBean getDataSource.

Prototype

@Override
    public DataSource getDataSource() 

Source Link

Usage

From source file:com.brienwheeler.apps.schematool.SchemaToolBean.java

public void afterPropertiesSet() throws Exception {
    try {/*from  ww w.j  av a 2 s . c o m*/
        // set based on default values in schematool properties file if not already set
        PropertyPlaceholderConfigurer.setProperty(emfPersistenceLocationsPropName,
                emfPersistenceLocationsPropValue);

        Configuration configuration = determineHibernateConfiguration();

        Settings settings = null;
        if (exec || mode == Mode.UPDATE) {
            ClassPathXmlApplicationContext newContext = new SmartClassPathXmlApplicationContext(
                    emfContextLocation);
            try {
                // get a reference to the factory bean, don't have it create a new EntityManager
                LocalContainerEntityManagerFactoryBean factoryBean = newContext
                        .getBean("&" + emfContextBeanName, LocalContainerEntityManagerFactoryBean.class);
                SettingsFactory settingsFactory = new InjectedDataSourceSettingsFactory(
                        factoryBean.getDataSource());
                settings = settingsFactory.buildSettings(new Properties());
            } finally {
                newContext.close();
            }
        }

        if (mode == Mode.UPDATE) {
            SchemaUpdate update = new SchemaUpdate(configuration, settings);
            update.execute(true, exec);
        } else {
            SchemaExport export = exec ? new SchemaExport(configuration, settings)
                    : new SchemaExport(configuration);
            export.create(true, exec);
        }
    } catch (Exception e) {
        log.error("Error running SchemaTool", e);
        throw e;
    }
}

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