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    
015    package org.apache.tapestry5.ioc.services;
016    
017    import java.util.EventListener;
018    
019    /**
020     * Listener interface for object that need to know about thread event cleanup.
021     * <p/>
022     * Note that registration with the {@link org.apache.tapestry5.ioc.services.PerthreadManager} is a one-shot affair; it
023     * lasts no longer than the next cleanup.
024     */
025    public interface ThreadCleanupListener extends EventListener
026    {
027        /**
028         * Invoked by {@link org.apache.tapestry5.ioc.services.PerthreadManager} service when a thread performs and
029         * end-of-request cleanup.
030         */
031        void threadDidCleanup();
032    }