001// Copyright 2006, 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
015package org.apache.tapestry5.internal.structure;
016
017import org.apache.tapestry5.runtime.Component;
018
019/**
020 * Callback interface, used when invoking lifecycle methods on components.
021 */
022public interface ComponentCallback
023{
024    /**
025     * Callback method, passed a component to operate upon.
026     */
027    void run(Component component);
028
029    /**
030     * Returns true if the underlying event has been aborted and no further event method invocations should occur.
031     *
032     * @return true if the event is aborted, false if event processing should continue
033     * @see org.apache.tapestry5.runtime.Event#isAborted()
034     */
035    boolean isEventAborted();
036}