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);

}

簡介

org.springframework.beans.factory.Aware 的一個子接口。

文檔

允許 bean 知道 bean ClassLoader 的回調(diào)；即當(dāng)前 bean工廠 加載 bean類
使用的類加載器。
這主要是由框架類實現(xiàn)的，盡管應(yīng)用程序類可能是從共享的類加載器加載的，但框架類必須按名稱選擇它們。

有關(guān)所有 bean生命周期 方法的列表，請參見 BeanFactory javadocs。