Google線程架構com.google.guava

標籤：ble   ace   rtti   data   start   version   uid   object   run   

pom.xml

<dependency>    <groupId>com.google.guava</groupId>    <artifactId>guava-parent</artifactId>    <version>23.6-jre</version>  </dependency>package cc.zeelan.common.pool;

import com.google.common.util.concurrent.ListeningExecutorService;import com.google.common.util.concurrent.MoreExecutors; import java.util.concurrent.Executors;import java.util.concurrent.ScheduledThreadPoolExecutor;public final class ThreadPooBuild {        private static ThreadLocal<ThreadPooBuild> instance = new ThreadLocal<ThreadPooBuild>();    protected static ListeningExecutorService service = null;    protected static ScheduledThreadPoolExecutor scheduledThreadPool = null;    public static ListeningExecutorService getService() {        return service;    }    public static ScheduledThreadPoolExecutor getScheduledThreadPool() {        return scheduledThreadPool;    }    static {        if ((instance.get() == null) || (service == null)) {            syncInit();        }    }    public static void shutdown() {        service.shutdown();    }    private static void syncInit() {        service = MoreExecutors.listeningDecorator(Executors.newCachedThreadPool());        scheduledThreadPool = new ScheduledThreadPoolExecutor(16);        scheduledThreadPool.setRemoveOnCancelPolicy(true);    }}

 

================================================================================================================================調用

package isetting.controller;import java.util.HashSet;import java.util.Set;import java.util.UUID;import com.google.common.util.concurrent.ListeningExecutorService;import cc.zeelan.common.pool.ThreadPooBuild;/*** 訂單編號測試* * @project isetting* @fileName ThreadTest.java* @Description* @author light-zhang* @date 2018年4月2日下午4:56:50* @version 1.0.0*/public class ThreadTest {public static void main(String[] args) {/** System.out.println((System.currentTimeMillis()+"").substring(5));* System.out.println( (System.nanoTime()+"").substring(7,10));*/for (int i = 0; i < 1; i++) {ThreadTest test = new ThreadTest();test.task();}}public void task() {ListeningExecutorService service = ThreadPooBuild.getService();service.submit(new Runnable() { Set<Object> data = new HashSet<Object>(); @Overridepublic void run() {long startTime = System.currentTimeMillis();for (int i = 0; i < 2000000; i++) {data.add(createOrderCode(UUID.randomUUID().toString().replace("-", "")));}System.out.println(data.size());service.shutdown();System.out.println("線程執行的時間===== " + ((System.currentTimeMillis() - startTime) / 1000) + "/s");}});}/*** 訂單號產生* * @param orderId* @return*/public String createOrderCode(String orderId) {int currentTimeMillis_substr = 8;int nanoTime_start = 7;int nanoTime_end = 10;return Math.abs(orderId.hashCode())+ Long.toString(System.currentTimeMillis()).substring(currentTimeMillis_substr)+ Long.toString(System.nanoTime()).substring(nanoTime_start, nanoTime_end);}}

 

 

 

Google線程架構com.google.guava