001/* 002 * Copyright 2002-2014 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.context.annotation; 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; 024 025/** 026 * Container annotation that aggregates several {@link PropertySource} annotations. 027 * 028 * <p>Can be used natively, declaring several nested {@link PropertySource} annotations. 029 * Can also be used in conjunction with Java 8's support for <em>repeatable annotations</em>, 030 * where {@link PropertySource} can simply be declared several times on the same 031 * {@linkplain ElementType#TYPE type}, implicitly generating this container annotation. 032 * 033 * @author Phillip Webb 034 * @since 4.0 035 * @see PropertySource 036 */ 037@Target(ElementType.TYPE) 038@Retention(RetentionPolicy.RUNTIME) 039@Documented 040public @interface PropertySources { 041 042 PropertySource[] value(); 043 044}