001    /*
002     * Copyright 1999-2004 The Apache Software Foundation.
003     * 
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     * 
008     *      http://www.apache.org/licenses/LICENSE-2.0
009     * 
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.apache.commons.threadpool;
018    /**
019     * The idea is that the end-user can write a implementation of
020     * this class that allows them have a deterministic for the
021     * events that are monitored for. I.e. they can change the state
022     * of other parts of their system (or not).
023     *
024     * One implementation of this is logging....
025     * @see CommonsLoggingThreadPoolMonitor
026     * @see NullThreadPoolMonitor
027     */
028    public interface ThreadPoolMonitor {
029        void handleThrowable(Class clazz, Runnable runnable, Throwable t);
030    }