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     * A documentation-only interface placed on service interfaces for services which have an {@linkplain
021     * org.apache.tapestry5.ioc.OrderedConfiguration ordered configuration}, to identify the type of contribution.
022     */
023    @Target(ElementType.TYPE)
024    @Retention(RetentionPolicy.CLASS)
025    @Documented
026    @UseWith(AnnotationUseContext.SERVICE)
027    public @interface UsesOrderedConfiguration
028    {
029        /**
030         * The type of object which may be contributed into the service's configuration.
031         */
032        Class value();
033    }