001/* 002 * Copyright 2012-2017 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 * http://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.boot; 018 019import java.lang.annotation.Documented; 020import java.lang.annotation.ElementType; 021import java.lang.annotation.Retention; 022import java.lang.annotation.RetentionPolicy; 023import java.lang.annotation.Target; 024 025import org.springframework.context.annotation.Configuration; 026 027/** 028 * Indicates that a class provides Spring Boot application 029 * {@link Configuration @Configuration}. Can be used as an alternative to the Spring's 030 * standard {@code @Configuration} annotation so that configuration can be found 031 * automatically (for example in tests). 032 * <p> 033 * Application should only ever include <em>one</em> {@code @SpringBootConfiguration} and 034 * most idiomatic Spring Boot applications will inherit it from 035 * {@code @SpringBootApplication}. 036 * 037 * @author Phillip Webb 038 * @since 1.4.0 039 */ 040@Target(ElementType.TYPE) 041@Retention(RetentionPolicy.RUNTIME) 042@Documented 043@Configuration 044public @interface SpringBootConfiguration { 045 046}