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 */ 017 018 package org.apache.geronimo.connector.work.pool; 019 020 import java.util.concurrent.Executor; 021 022 /** 023 * Defines the operations that a pool in charge of the execution of Work 024 * instances must expose. 025 * 026 * @version $Rev: 520573 $ $Date: 2007-03-20 21:48:26 +0100 (Tue, 20 Mar 2007) $ 027 */ 028 public interface WorkExecutorPool extends Executor { 029 030 /** 031 * Gets the current number of active threads in the pool. 032 * 033 * @return Number of active threads in the pool. 034 */ 035 public int getPoolSize(); 036 037 /** 038 * Gets the maximum number of threads to simultaneously execute. 039 * 040 * @return Maximum size. 041 */ 042 public int getMaximumPoolSize(); 043 044 /** 045 * Sets the maximum number of threads to simultaneously execute. 046 * 047 * @param aSize Maximum size. 048 */ 049 public void setMaximumPoolSize(int aSize); 050 051 public WorkExecutorPool start(); 052 053 public WorkExecutorPool stop(); 054 055 }