    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
    015    package org.apache.tapestry5.ioc.annotations;
    016
    017    import java.lang.annotation.*;
    018
    019
    020    /**
    021     * A documentation-only interface placed on service interfaces for services which have an {@linkplain
    022     * org.apache.tapestry5.ioc.Configuration unordered configuration}, to identify the type of contribution.
    023     */
    024    @Target(ElementType.TYPE)
    025    @Retention(RetentionPolicy.CLASS)
    026    @Documented
    027    @UseWith(AnnotationUseContext.SERVICE)
    028    public @interface UsesConfiguration
    029    {
    030        /**
    031         * The type of object which may be contributed into the service's configuration.
    032         */
    033        Class value();
    034    }