    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}