001// Copyright 2006, 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
015package org.apache.tapestry5.ioc.annotations;
016
017import java.lang.annotation.Documented;
018import static java.lang.annotation.ElementType.METHOD;
019import java.lang.annotation.Retention;
020import static java.lang.annotation.RetentionPolicy.RUNTIME;
021import java.lang.annotation.Target;
022
023/**
024 * Used with a service decorator method to control the order in which decorations occur. Identifies other decorators
025 * which should occur before the annotated decorator.
026 *
027 * @see org.apache.tapestry5.ioc.def.DecoratorDef
028 */
029@Target(METHOD)
030@Retention(RUNTIME)
031@Documented
032@UseWith(AnnotationUseContext.SERVICE_DECORATOR)
033public @interface Order
034{
035    /**
036     * Any number of ordering constraint strings.
037     */
038    String[] value();
039}