Spring中的InitializingBean

package org.springframework.beans.factory;

/**
 * 如果一个类实现了该接口，则该类在属性全部初始化后，会立即调用afterPropertiesSet方法。使用场景：我们需要自定义某个类的初始化方法。
 *
 * Interface to be implemented by beans that need to react once all their properties have been set by a BeanFactory: for example, to perform custom
 * for example, to perform custom initialization.
 */
public interface InitializingBean {

	/**
	 * Invoked by a BeanFactory after it has set all bean properties supplied
	 */
	void afterPropertiesSet() throws Exception;

}