001// Copyright 2004, 2005 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.tapestry.event;
016
017import java.util.EventListener;
018
019/**
020 * An interface for objects that want to know when the end of the request cycle occurs, so that any
021 * resources that should be limited to just one request cycle can be released.
022 * 
023 * @see org.apache.tapestry.event.PageAttachListener
024 * @author Howard Lewis Ship
025 * @since 1.0.5
026 */
027
028public interface PageDetachListener extends EventListener
029{
030    /**
031     * Invoked by the page from its {@link org.apache.tapestry.IPage#detach()}method.
032     */
033
034    public void pageDetached(PageEvent event);
035}