001//  Copyright 2008, 2009 The Apache Software Foundation
002//
003// Licensed under the Apache License, Version 2.0 (the "License");
004// you may not use this file except in compliance with the License.
005// You may obtain a copy of the License at
006//
007//     http://www.apache.org/licenses/LICENSE-2.0
008//
009// Unless required by applicable law or agreed to in writing, software
010// distributed under the License is distributed on an "AS IS" BASIS,
011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012// See the License for the specific language governing permissions and
013// limitations under the License.
014
015package org.apache.tapestry5.ioc.annotations;
016
017import java.lang.annotation.*;
018
019
020/**
021 * A documentation-only interface placed on service interfaces for services which have an 
022 * <a href="https://tapestry.apache.org/current/apidocs/org/apache/tapestry5/commons/Configuration.html">unordered configuration</a>, to identify the type of contribution.
023 */
024@Target(ElementType.TYPE)
025@Retention(RetentionPolicy.CLASS)
026@Documented
027@UseWith(AnnotationUseContext.SERVICE)
028public @interface UsesConfiguration
029{
030    /**
031     * The type of object which may be contributed into the service's configuration.
032     */
033    Class value();
034}