001    /**
002     *  Licensed to the Apache Software Foundation (ASF) under one or more
003     *  contributor license agreements.  See the NOTICE file distributed with
004     *  this work for additional information regarding copyright ownership.
005     *  The ASF licenses this file to You under the Apache License, Version 2.0
006     *  (the "License"); you may not use this file except in compliance with
007     *  the License.  You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     *  Unless required by applicable law or agreed to in writing, software
012     *  distributed under the License is distributed on an "AS IS" BASIS,
013     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     *  See the License for the specific language governing permissions and
015     *  limitations under the License.
016     */
017    package org.apache.geronimo.system.threads;
018    
019    /**
020     * Management interface for thread pools
021     *
022     * @version $Rev: 487175 $ $Date: 2006-12-14 03:10:31 -0800 (Thu, 14 Dec 2006) $
023     */
024    public interface ThreadPool {
025        /**
026         * Gets the maximum number of threads allowed for this thread pool
027         */
028        int getPoolSize();
029    
030        /**
031         * Executes work on behalf of a named client.  This helps the thread pool
032         * track who's using its threads.
033         * @param consumerName  A name identifying the caller, to be used in
034         *                      the management statistics for this pool, etc.
035         * @param runnable      The work to be done by a thread in the pool
036         */
037        void execute(String consumerName, Runnable runnable) throws InterruptedException;
038    }