001/**
002 * Copyright (c) 2015-2022, Michael Yang 杨福海 (fuhai999@gmail.com).
003 * <p>
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 * <p>
008 * http://www.apache.org/licenses/LICENSE-2.0
009 * <p>
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 */
016package io.jboot.utils;
017
018import java.util.concurrent.*;
019
020/**
021 * @author michael yang (fuhai999@gmail.com)
022 * @Date: 2019/11/22
023 */
024public class NamedThreadPools {
025
026    public static ExecutorService newFixedThreadPool(String prefix) {
027        int nThreads = Runtime.getRuntime().availableProcessors();
028        return newFixedThreadPool(nThreads, prefix);
029    }
030
031
032    public static ExecutorService newFixedThreadPool(int nThreads, String name) {
033        return Executors.newFixedThreadPool(nThreads, new NamedThreadFactory(name));
034    }
035
036
037    public static ExecutorService newCachedThreadPool(String name) {
038        return newCachedThreadPool(new NamedThreadFactory(name));
039    }
040
041
042    public static ExecutorService newCachedThreadPool(ThreadFactory threadFactory) {
043        return new ThreadPoolExecutor(0, Integer.MAX_VALUE,
044                60L, TimeUnit.SECONDS,
045                new SynchronousQueue<Runnable>(),
046                threadFactory);
047    }
048
049
050    public static ScheduledExecutorService newScheduledThreadPool(int corePoolSize, String name) {
051        return newScheduledThreadPool(corePoolSize, new NamedThreadFactory(name));
052    }
053
054
055    public static ScheduledExecutorService newScheduledThreadPool(
056            int corePoolSize, ThreadFactory threadFactory) {
057        return new ScheduledThreadPoolExecutor(corePoolSize, threadFactory);
058    }
059}