    001// Copyright 2010, 2011 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.
    014package org.apache.tapestry5.ioc.annotations;
    015
    016import java.lang.annotation.Documented;
    017import java.lang.annotation.Retention;
    018import java.lang.annotation.Target;
    019
    020import static java.lang.annotation.ElementType.METHOD;
    021import static java.lang.annotation.RetentionPolicy.RUNTIME;
    022
    023/**
    024 * An annotation that may be placed on a contributor method of a module. The annotation may/should be used in combination with
    025 * {@link Marker} annotation to disambiguate the service to contribute into. This annotation was introduced as an alternative
    026 * to the naming convention for contributor methods.
    027 *
    028 * @see Optional
    029 * @since 5.2.0
    030 */
    031@Target(METHOD)
    032@Retention(RUNTIME)
    033@Documented
    034public @interface Contribute
    035{
    036    /**
    037     * Type of the service to contribute into.
    038     */
    039    Class value();
    040}