| | |
| | | package com.ruoyi.common.utils;
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| | |
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| | | import java.util.concurrent.CancellationException;
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| | | import java.util.concurrent.ExecutionException;
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| | | import java.util.concurrent.ExecutorService;
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| | | import java.util.concurrent.Future;
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| | | import java.util.concurrent.TimeUnit;
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| | | import org.slf4j.Logger;
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| | | import org.slf4j.LoggerFactory;
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| | |
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| | | /**
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| | | * 线程相关工具类.
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| | | * |
| | | * @author ruoyi
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| | | */
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| | | public class Threads
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| | | {
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| | | private static final Logger logger = LoggerFactory.getLogger(Threads.class);
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| | |
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| | | /**
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| | | * sleep等待,单位为毫秒
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| | | */
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| | | public static void sleep(long milliseconds)
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| | | {
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| | | try
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| | | {
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| | | Thread.sleep(milliseconds);
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| | | }
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| | | catch (InterruptedException e)
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| | | {
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| | | return;
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| | | }
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| | | }
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| | |
|
| | | /**
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| | | * 停止线程池
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| | | * 先使用shutdown, 停止接收新任务并尝试完成所有已存在任务.
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| | | * 如果超时, 则调用shutdownNow, 取消在workQueue中Pending的任务,并中断所有阻塞函数.
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| | | * 如果仍人超時,則強制退出.
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| | | * 另对在shutdown时线程本身被调用中断做了处理.
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| | | */
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| | | public static void shutdownAndAwaitTermination(ExecutorService pool)
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| | | {
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| | | if (pool != null && !pool.isShutdown())
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| | | {
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| | | pool.shutdown();
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| | | try
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| | | {
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| | | if (!pool.awaitTermination(120, TimeUnit.SECONDS))
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| | | {
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| | | pool.shutdownNow();
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| | | if (!pool.awaitTermination(120, TimeUnit.SECONDS))
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| | | {
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| | | logger.info("Pool did not terminate");
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| | | }
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| | | }
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| | | }
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| | | catch (InterruptedException ie)
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| | | {
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| | | pool.shutdownNow();
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| | | Thread.currentThread().interrupt();
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| | | }
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| | | }
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| | | }
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| | |
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| | | /**
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| | | * 打印线程异常信息
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| | | */
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| | | public static void printException(Runnable r, Throwable t)
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| | | {
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| | | if (t == null && r instanceof Future<?>)
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| | | {
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| | | try
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| | | {
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| | | Future<?> future = (Future<?>) r;
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| | | if (future.isDone())
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| | | {
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| | | future.get();
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| | | }
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| | | }
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| | | catch (CancellationException ce)
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| | | {
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| | | t = ce;
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| | | }
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| | | catch (ExecutionException ee)
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| | | {
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| | | t = ee.getCause();
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| | | }
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| | | catch (InterruptedException ie)
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| | | {
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| | | Thread.currentThread().interrupt();
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| | | }
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| | | }
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| | | if (t != null)
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| | | {
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| | | logger.error(t.getMessage(), t);
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| | | }
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| | | }
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| | | }
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| | | package com.ruoyi.common.utils; |
| | | |
| | | import java.util.concurrent.CancellationException; |
| | | import java.util.concurrent.ExecutionException; |
| | | import java.util.concurrent.ExecutorService; |
| | | import java.util.concurrent.Future; |
| | | import java.util.concurrent.TimeUnit; |
| | | import org.slf4j.Logger; |
| | | import org.slf4j.LoggerFactory; |
| | | |
| | | /** |
| | | * 线程相关工具类. |
| | | * |
| | | * @author ruoyi |
| | | */ |
| | | public class Threads |
| | | { |
| | | private static final Logger logger = LoggerFactory.getLogger(Threads.class); |
| | | |
| | | /** |
| | | * sleep等待,单位为毫秒 |
| | | */ |
| | | public static void sleep(long milliseconds) |
| | | { |
| | | try |
| | | { |
| | | Thread.sleep(milliseconds); |
| | | } |
| | | catch (InterruptedException e) |
| | | { |
| | | return; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 停止线程池 |
| | | * 先使用shutdown, 停止接收新任务并尝试完成所有已存在任务. |
| | | * 如果超时, 则调用shutdownNow, 取消在workQueue中Pending的任务,并中断所有阻塞函数. |
| | | * 如果仍人超時,則強制退出. |
| | | * 另对在shutdown时线程本身被调用中断做了处理. |
| | | */ |
| | | public static void shutdownAndAwaitTermination(ExecutorService pool) |
| | | { |
| | | if (pool != null && !pool.isShutdown()) |
| | | { |
| | | pool.shutdown(); |
| | | try |
| | | { |
| | | if (!pool.awaitTermination(120, TimeUnit.SECONDS)) |
| | | { |
| | | pool.shutdownNow(); |
| | | if (!pool.awaitTermination(120, TimeUnit.SECONDS)) |
| | | { |
| | | logger.info("Pool did not terminate"); |
| | | } |
| | | } |
| | | } |
| | | catch (InterruptedException ie) |
| | | { |
| | | pool.shutdownNow(); |
| | | Thread.currentThread().interrupt(); |
| | | } |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 打印线程异常信息 |
| | | */ |
| | | public static void printException(Runnable r, Throwable t) |
| | | { |
| | | if (t == null && r instanceof Future<?>) |
| | | { |
| | | try |
| | | { |
| | | Future<?> future = (Future<?>) r; |
| | | if (future.isDone()) |
| | | { |
| | | future.get(); |
| | | } |
| | | } |
| | | catch (CancellationException ce) |
| | | { |
| | | t = ce; |
| | | } |
| | | catch (ExecutionException ee) |
| | | { |
| | | t = ee.getCause(); |
| | | } |
| | | catch (InterruptedException ie) |
| | | { |
| | | Thread.currentThread().interrupt(); |
| | | } |
| | | } |
| | | if (t != null) |
| | | { |
| | | logger.error(t.getMessage(), t); |
| | | } |
| | | } |
| | | } |