Question

我的应用程序使用XML base spring配置，我希望将此配置移动到@Configuration类，因为Spring 3.0以后支持这些注释。

例如，这是我在XML中的bean，

    <property name="dataSource">
        <ref bean="dataSource" />
    </property>

    <property name="hibernateProperties">
        <props>
            <prop key="hibernate.dialect">org.hibernate.dialect.SQLServerDialect</prop>
            <prop key="hibernate.show_sql">false</prop>
        </props>
    </property>
    <property name="annotatedClasses">
        <list>
            <value>com.mycom.AnnotatedEntity</value>
        </list>
    </property>
</bean>

我试过了，

@Configuration
public class Config{

    @Value("${jdbc.driverClassName}")
    private Driver driverClassName;

    @Value("${jdbc.url}")
    private String url;

    @Value("${jdbc.username}")
    private String username;

    @Value("${jdbc.password}")
    private String password;

    @Bean
    public DBDao dao(){
        return new DaoImpl(sessionFactory()); 
    }

    @Bean
    public SessionFactory sessionFactory(){
        LocalSessionFactoryBean localSessionFactory = new LocalSessionFactoryBean();
        Class<?>[] annotatedClasses = null;
        annotatedClasses.getClass();
        localSessionFactory.setDataSource(dataSource());
        localSessionFactory.setAnnotatedClasses(annotatedClasses);
        return (SessionFactory) localSessionFactory;
    }

    @Bean
    public SimpleDriverDataSource dataSource(){
        SimpleDriverDataSource dataSource = new SimpleDriverDataSource();
        dataSource.setDriver(driverClassName);
        dataSource.setUrl(url);
        dataSource.setUsername(username);
        dataSource.setPassword(password);
        return dataSource;
    }

}

问题是如何设置＆＃34; annotatedClasses＆＃34;和＆＃34; hibernateProperties＆＃34;配置类中的属性？

Answer 1

带注释的类采用var args。像这样：

localSessionFactory.setAnnotatedClasses(SomeEntity.class, AnotherEntity.class);

设置hibernate属性：

Properties properties = new Properties();
properties.put("hibernate.dialect", "org.hibernate.dialect.SQLServerDialect");
properties.put("hibernate.show_sql", false);

sessionFactory.setHibernateProperties(properties);

旁注：不要将LocalSessionFactoryBean投射到SessionFactory。简单地回复：

localSessionFactory.getObject();

设置spring bean属性的替代方法

1 个答案: