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add stop
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CHANGELOG.md
hutool-core/src
@ -3,11 +3,12 @@
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-------------------------------------------------------------------------------------------------------------
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# 5.6.6 (2021-05-11)
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# 5.6.6 (2021-05-14)
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### 🐣新特性
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* 【cron 】 增加时间轮简单实现
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* 【core 】 BeanUtil.copyToList增加重载(pr#321@Gitee)
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* 【core 】 SyncFinisher增加stop方法(issue#1578@Github)
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### 🐞Bug修复
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@ -11,7 +11,7 @@ import java.util.concurrent.ExecutorService;
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/**
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* 线程同步结束器<br>
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* 在完成一组正在其他线程中执行的操作之前,它允许一个或多个线程一直等待。
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*
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*
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* <pre>
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* ps:
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* //模拟1000个线程并发
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@ -21,8 +21,8 @@ import java.util.concurrent.ExecutorService;
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* });
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* sf.start()
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* </pre>
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*
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*
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*
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*
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* @author Looly
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* @since 4.1.15
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*/
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@ -30,7 +30,7 @@ public class SyncFinisher {
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private final Set<Worker> workers;
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private final int threadSize;
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private final ExecutorService executorService;
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private ExecutorService executorService;
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private boolean isBeginAtSameTime;
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/** 启动同步器,用于保证所有worker线程同时开始 */
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@ -40,19 +40,18 @@ public class SyncFinisher {
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/**
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* 构造
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*
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*
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* @param threadSize 线程数
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*/
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public SyncFinisher(int threadSize) {
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this.beginLatch = new CountDownLatch(1);
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this.threadSize = threadSize;
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this.executorService = ThreadUtil.newExecutor(threadSize);
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this.workers = new LinkedHashSet<>();
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}
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/**
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* 设置是否所有worker线程同时开始
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*
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*
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* @param isBeginAtSameTime 是否所有worker线程同时开始
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* @return this
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*/
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@ -63,7 +62,7 @@ public class SyncFinisher {
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/**
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* 增加定义的线程数同等数量的worker
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*
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*
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* @param runnable 工作线程
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* @return this
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*/
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@ -81,7 +80,7 @@ public class SyncFinisher {
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/**
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* 增加工作线程
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*
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*
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* @param runnable 工作线程
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* @return this
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*/
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@ -96,7 +95,7 @@ public class SyncFinisher {
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/**
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* 增加工作线程
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*
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*
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* @param worker 工作线程
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* @return this
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*/
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@ -106,20 +105,26 @@ public class SyncFinisher {
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}
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/**
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* 开始工作
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* 开始工作<br>
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* 执行此方法后如果不再重复使用此对象,需调用{@link #stop()}关闭回收资源。
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*/
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public void start() {
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start(true);
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}
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/**
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* 开始工作
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*
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* 开始工作<br>
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* 执行此方法后如果不再重复使用此对象,需调用{@link #stop()}关闭回收资源。
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*
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* @param sync 是否阻塞等待
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* @since 4.5.8
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*/
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public void start(boolean sync) {
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endLatch = new CountDownLatch(workers.size());
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if(null == this.executorService || this.executorService.isShutdown()){
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this.executorService = ThreadUtil.newExecutor(threadSize);
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}
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for (Worker worker : workers) {
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executorService.submit(worker);
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}
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@ -135,9 +140,27 @@ public class SyncFinisher {
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}
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}
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/**
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* 结束线程池。此方法执行两种情况:
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* <ol>
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* <li>执行start(true)后,调用此方法结束线程池回收资源</li>
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* <li>执行start(false)后,用户自行判断结束点执行此方法</li>
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* </ol>
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*
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* @since 5.6.6
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*/
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public void stop(){
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if(null != this.executorService){
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this.executorService.shutdown();
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}
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this.executorService = null;
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clearWorker();
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}
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/**
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* 等待所有Worker工作结束,否则阻塞
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*
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*
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* @throws InterruptedException 用户中断
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* @deprecated 使用start方法指定是否阻塞等待
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*/
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@ -159,7 +182,7 @@ public class SyncFinisher {
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/**
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* 剩余任务数
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*
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*
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* @return 剩余任务数
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*/
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public long count() {
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@ -168,7 +191,7 @@ public class SyncFinisher {
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/**
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* 工作者,为一个线程
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*
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*
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* @author xiaoleilu
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*
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*/
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@ -11,25 +11,25 @@ import java.util.List;
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import java.util.Set;
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public class RandomUtilTest {
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@Test
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public void randomEleSetTest(){
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Set<Integer> set = RandomUtil.randomEleSet(CollUtil.newArrayList(1, 2, 3, 4, 5, 6), 2);
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Assert.assertEquals(set.size(), 2);
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}
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@Test
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public void randomElesTest(){
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List<Integer> result = RandomUtil.randomEles(CollUtil.newArrayList(1, 2, 3, 4, 5, 6), 2);
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Assert.assertEquals(result.size(), 2);
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}
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@Test
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public void randomDoubleTest() {
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double randomDouble = RandomUtil.randomDouble(0, 1, 0, RoundingMode.HALF_UP);
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Assert.assertTrue(randomDouble <= 1);
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}
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@Test
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@Ignore
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public void randomBooleanTest() {
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