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.autoconfigure; 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.AnnotationConfigApplicationContext; 026import org.springframework.core.Ordered; 027import org.springframework.core.annotation.Order; 028 029/** 030 * Auto-configuration specific variant of Spring Framework's {@link Order} annotation. 031 * Allows auto-configuration classes to be ordered among themselves without affecting the 032 * order of configuration classes passed to 033 * {@link AnnotationConfigApplicationContext#register(Class...)}. 034 * 035 * @author Andy Wilkinson 036 * @since 1.3.0 037 */ 038@Retention(RetentionPolicy.RUNTIME) 039@Target({ ElementType.TYPE, ElementType.METHOD, ElementType.FIELD }) 040@Documented 041public @interface AutoConfigureOrder { 042 043 int DEFAULT_ORDER = 0; 044 045 /** 046 * The order value. Default is {@code 0}. 047 * @see Ordered#getOrder() 048 * @return the order value 049 */ 050 int value() default DEFAULT_ORDER; 051 052}