001    //  Copyright 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    
015    package org.apache.tapestry5.internal.structure;
016    
017    /**
018     * Implementation of {@link org.apache.tapestry5.internal.structure.ComponentCallback} used for lifecycle notifications
019     * that do not have an event, and can therefore never be aborted.
020     *
021     * @see org.apache.tapestry5.internal.structure.AbstractComponentCallback
022     */
023    public abstract class LifecycleNotificationComponentCallback implements ComponentCallback
024    {
025        /**
026         * Always returns false, as there is no event.
027         */
028        public boolean isEventAborted()
029        {
030            return false;
031        }
032    }