001// Copyright 2006 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.util.EventListener;
018
019/**
020 * Event listener interfaces for objects that need to know when the Registry shutsdown.
021 *
022 * @see RegistryShutdownHub#addRegistryShutdownListener(Runnable)
023 * @deprecated In Tapestry 5.3, to be removed in a later release.
024 */
025public interface RegistryShutdownListener extends EventListener
026{
027    /**
028     * Invoked when the registry shuts down, giving services a chance to perform any final operations. Service
029     * implementations should not attempt to invoke methods on other services (via proxies) as the service proxies may
030     * themselves be shutdown.
031     */
032    void registryDidShutdown();
033}