001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 020package org.apache.directory.server.protocol.shared; 021 022 023import java.util.concurrent.Executor; 024import java.util.concurrent.ExecutorService; 025import java.util.concurrent.Executors; 026import java.util.concurrent.TimeUnit; 027 028 029/** 030 * TODO: Javadoc missing 031 * 032 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 033 */ 034public class StandardThreadPool implements Executor 035{ 036 037 private final ExecutorService delegate; 038 039 040 public StandardThreadPool( int maxThreads ) 041 { 042 delegate = Executors.newFixedThreadPool( maxThreads ); 043 } 044 045 046 public void execute( Runnable command ) 047 { 048 delegate.execute( command ); 049 } 050 051 052 /** 053 * TODO wont this hang if some tasks are sufficiently badly behaved? 054 */ 055 public void stop() 056 { 057 delegate.shutdown(); 058 059 for ( ;; ) 060 { 061 try 062 { 063 if ( delegate.awaitTermination( Integer.MAX_VALUE, TimeUnit.SECONDS ) ) 064 { 065 break; 066 } 067 } 068 catch ( InterruptedException e ) 069 { 070 //ignore 071 } 072 } 073 } 074}