    001// Copyright 2007 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.services;
    016
    017import java.lang.annotation.Documented;
    018import static java.lang.annotation.ElementType.FIELD;
    019import static java.lang.annotation.ElementType.PARAMETER;
    020import java.lang.annotation.Retention;
    021import static java.lang.annotation.RetentionPolicy.RUNTIME;
    022import java.lang.annotation.Target;
    023
    024/**
    025 * Marks services provided by this module that may need to be unambiguously referenced. Injecting with this marker
    026 * annotation and the correct type ensure that the version defined in this module is used, even if another module
    027 * provides a service with the same service interface.
    028 */
    029@Target(
    030        { PARAMETER, FIELD })
    031@Retention(RUNTIME)
    032@Documented
    033public @interface Builtin
    034{
    035
    036}