001// Copyright 2010, 2011, 2012 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.services;
016
017import org.apache.tapestry5.runtime.Component;
018import org.apache.tapestry5.runtime.ComponentEvent;
019
020/**
021 * Interface used with  {@link org.apache.tapestry5.services.transform.TransformationSupport#addEventHandler(String, int, String, ComponentEventHandler)}}.
022 *
023 * @since 5.2.0
024 */
025public interface ComponentEventHandler
026{
027    /**
028     * Handles the event.
029     */
030    void handleEvent(Component instance, ComponentEvent event);
031}