infra.beans.factory.InitializingBean Maven / Gradle / Ivy
/*
* Copyright 2017 - 2024 the original author or authors.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see [https://www.gnu.org/licenses/]
*/
package infra.beans.factory;
/**
* Interface to be implemented by beans that need to react once all their properties
* have been set by a {@link BeanFactory}: e.g. to perform custom initialization,
* or merely to check that all mandatory properties have been set.
*
* An alternative to implementing {@code InitializingBean} is specifying a custom
* init method, for example in an XML bean definition. For a list of all bean
* lifecycle methods, see the {@link BeanFactory BeanFactory javadocs}.
*
* @author Rod Johnson
* @author Juergen Hoeller
* @author TODAY
* @see DisposableBean
* @since 2018-7-17 22:24:03
*/
public interface InitializingBean {
/**
* Invoked by the containing {@code BeanFactory} after it has set all bean properties
* and satisfied {@link BeanFactoryAware}, {@code ApplicationContextAware} etc.
*
This method allows the bean instance to perform validation of its overall
* configuration and final initialization when all bean properties have been set.
*
* @throws Exception in the event of misconfiguration (such as failure to set an
* essential property) or if initialization fails for any other reason
*/
void afterPropertiesSet() throws Exception;
}