    001    // Copyright 2008 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.services;
    016
    017    import java.lang.annotation.*;
    018
    019
    020    /**
    021     * Marker annotation used to inject the correct {@link org.apache.tapestry5.services.InvalidationEventHub} service
    022     * responsible for validations when component message catalog (i.e., ".properties") files change.
    023     *
    024     * @since 5.1.0.0
    025     */
    026    @Target({ElementType.PARAMETER, ElementType.FIELD})
    027    @Retention(RetentionPolicy.RUNTIME)
    028    @Documented
    029    public @interface ComponentMessages
    030    {
    031    }