001/*
002 * Copyright 2002-2016 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.test.annotation;
018
019import java.lang.annotation.Documented;
020import java.lang.annotation.ElementType;
021import java.lang.annotation.Inherited;
022import java.lang.annotation.Retention;
023import java.lang.annotation.RetentionPolicy;
024import java.lang.annotation.Target;
025
026/**
027 * {@code ProfileValueSourceConfiguration} is a class-level annotation which
028 * is used to specify what type of {@link ProfileValueSource} to use when
029 * retrieving <em>profile values</em> configured via the {@link IfProfileValue
030 * &#064;IfProfileValue} annotation.
031 *
032 * <p>As of Spring Framework 4.0, this annotation may be used as a
033 * <em>meta-annotation</em> to create custom <em>composed annotations</em>.
034 *
035 * @author Sam Brannen
036 * @since 2.5
037 * @see ProfileValueSource
038 * @see IfProfileValue
039 * @see ProfileValueUtils
040 */
041@Target(ElementType.TYPE)
042@Retention(RetentionPolicy.RUNTIME)
043@Documented
044@Inherited
045public @interface ProfileValueSourceConfiguration {
046
047        /**
048         * The type of {@link ProfileValueSource} to use when retrieving
049         * <em>profile values</em>.
050         *
051         * @see SystemProfileValueSource
052         */
053        Class<? extends ProfileValueSource> value() default SystemProfileValueSource.class;
054
055}