001// Copyright 2007, 2010 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 static java.lang.annotation.ElementType.FIELD;
018import static java.lang.annotation.ElementType.METHOD;
019import static java.lang.annotation.ElementType.PARAMETER;
020import static java.lang.annotation.RetentionPolicy.RUNTIME;
021
022import java.lang.annotation.Documented;
023import java.lang.annotation.Retention;
024import java.lang.annotation.Target;
025
026/**
027 * Used to disambiguate which version of {@link SymbolProvider} is being referenced. Contributions to the
028 * ApplicationDefaults symbol source are overridden by JVM System properties.
029 * 
030 * @see FactoryDefaults
031 */
032@Target(
033{ PARAMETER, FIELD, METHOD })
034@Retention(RUNTIME)
035@Documented
036public @interface ApplicationDefaults
037{
038
039}