From 5d7b65670282a4fad015e37d567cfa171b162052 Mon Sep 17 00:00:00 2001 From: huliguo <2023611923@qq.com> Date: 星期二, 20 五月 2025 12:25:19 +0800 Subject: [PATCH] 基础代码 --- pt-common/src/main/java/com/ruoyi/common/utils/Threads.java | 99 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 99 insertions(+), 0 deletions(-) diff --git a/pt-common/src/main/java/com/ruoyi/common/utils/Threads.java b/pt-common/src/main/java/com/ruoyi/common/utils/Threads.java new file mode 100644 index 0000000..71fe6d5 --- /dev/null +++ b/pt-common/src/main/java/com/ruoyi/common/utils/Threads.java @@ -0,0 +1,99 @@ +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. + * 如果仍然超時,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); + } + } +} -- Gitblit v1.7.1