001 // Copyright 2004, 2005 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.hivemind.service; 016 017 /** 018 * Service which acts as a dispatch hub for events about the lifecycle of 019 * the current thread. 020 * 021 * @author Howard Lewis Ship 022 */ 023 public interface ThreadEventNotifier 024 { 025 /** 026 * Adds the listener. 027 */ 028 public void addThreadCleanupListener(ThreadCleanupListener listener); 029 030 /** 031 * Removes the listener, if it has been previously added. If the listener 032 * has been added multiple times, only one instance is removed. 033 */ 034 public void removeThreadCleanupListener(ThreadCleanupListener listener); 035 036 /** 037 * Invokes {@link ThreadCleanupListener#threadDidCleanup()} on all 038 * listeners. 039 */ 040 public void fireThreadCleanup(); 041 }