001/*
002 * Copyright 2012-2015 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.ElementType;
020import java.lang.annotation.Retention;
021import java.lang.annotation.RetentionPolicy;
022import java.lang.annotation.Target;
023
024import org.springframework.context.annotation.AnnotationConfigApplicationContext;
025import org.springframework.core.Ordered;
026import org.springframework.core.annotation.Order;
027
028/**
029 * Auto-configuration specific variant of Spring Framework's {@link Order} annotation.
030 * Allows auto-configuration classes to be ordered among themselves without affecting the
031 * order of configuration classes passed to
032 * {@link AnnotationConfigApplicationContext#register(Class...)}.
033 *
034 * @author Andy Wilkinson
035 * @since 1.3.0
036 */
037@Retention(RetentionPolicy.RUNTIME)
038@Target({ ElementType.TYPE, ElementType.METHOD, ElementType.FIELD })
039public @interface AutoConfigureOrder {
040
041        /**
042         * The order value. Default is {@link Ordered#LOWEST_PRECEDENCE}.
043         * @see Ordered#getOrder()
044         * @return the order value
045         */
046        int value() default Ordered.LOWEST_PRECEDENCE;
047
048}