001/* 002 * Copyright 2002-2012 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.beans.factory; 018 019import org.springframework.beans.BeansException; 020 021/** 022 * Interface to be implemented by beans that wish to be aware of their 023 * owning {@link BeanFactory}. 024 * 025 * <p>For example, beans can look up collaborating beans via the factory 026 * (Dependency Lookup). Note that most beans will choose to receive references 027 * to collaborating beans via corresponding bean properties or constructor 028 * arguments (Dependency Injection). 029 * 030 * <p>For a list of all bean lifecycle methods, see the 031 * {@link BeanFactory BeanFactory javadocs}. 032 * 033 * @author Rod Johnson 034 * @author Chris Beams 035 * @since 11.03.2003 036 * @see BeanNameAware 037 * @see BeanClassLoaderAware 038 * @see InitializingBean 039 * @see org.springframework.context.ApplicationContextAware 040 */ 041public interface BeanFactoryAware extends Aware { 042 043 /** 044 * Callback that supplies the owning factory to a bean instance. 045 * <p>Invoked after the population of normal bean properties 046 * but before an initialization callback such as 047 * {@link InitializingBean#afterPropertiesSet()} or a custom init-method. 048 * @param beanFactory owning BeanFactory (never {@code null}). 049 * The bean can immediately call methods on the factory. 050 * @throws BeansException in case of initialization errors 051 * @see BeanInitializationException 052 */ 053 void setBeanFactory(BeanFactory beanFactory) throws BeansException; 054 055}