org.springframework.beans.factor

package org.springframework.beans.factory;

/**
 * Callback that allows a bean to be aware of the bean
 * {@link ClassLoader class loader}; that is, the class loader used by the
 * present bean factory to load bean classes.
 *
 * <p>This is mainly intended to be implemented by framework classes which
 * have to pick up application classes by name despite themselves potentially
 * being loaded from a shared class loader.
 *
 * <p>For a list of all bean lifecycle methods, see the
 * {@link BeanFactory BeanFactory javadocs}.
 *
 * @author Juergen Hoeller
 * @author Chris Beams
 * @since 2.0
 * @see BeanNameAware
 * @see BeanFactoryAware
 * @see InitializingBean
 */
public interface BeanClassLoaderAware extends Aware {

    /**
     * Callback that supplies the bean {@link ClassLoader class loader} to
     * a bean instance.
     * <p>Invoked <i>after</i> the population of normal bean properties but
     * <i>before</i> an initialization callback such as
     * {@link InitializingBean InitializingBean's}
     * {@link InitializingBean#afterPropertiesSet()}
     * method or a custom init-method.
     * @param classLoader the owning class loader
     */
    void setBeanClassLoader(ClassLoader classLoader);

}

简介

org.springframework.beans.factory.Aware 的一个子接口。

文档

允许 bean 知道 bean ClassLoader 的回调；即当前 bean工厂 加载 bean类
使用的类加载器。
这主要是由框架类实现的，尽管应用程序类可能是从共享的类加载器加载的，但框架类必须按名称选择它们。

有关所有 bean生命周期 方法的列表，请参见 BeanFactory javadocs。