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@@ -0,0 +1,75 @@
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+package org.dromara.common.core.utils;
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+
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+import lombok.AccessLevel;
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+import lombok.NoArgsConstructor;
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+import lombok.extern.slf4j.Slf4j;
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+
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+import java.util.concurrent.*;
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+
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+/**
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+ * 线程相关工具类.
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+ *
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+ * @author ruoyi
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+ */
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+@Slf4j
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+@NoArgsConstructor(access = AccessLevel.PRIVATE)
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+public class Threads {
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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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+ try {
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+ Thread.sleep(milliseconds);
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+ } catch (InterruptedException e) {
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+ return;
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+ }
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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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+ * 如果仍然超時,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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+ if (pool != null && !pool.isShutdown()) {
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+ pool.shutdown();
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+ try {
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+ if (!pool.awaitTermination(120, TimeUnit.SECONDS)) {
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+ pool.shutdownNow();
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+ if (!pool.awaitTermination(120, TimeUnit.SECONDS)) {
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+ log.info("Pool did not terminate");
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+ }
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+ }
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+ } catch (InterruptedException ie) {
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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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+ if (t == null && r instanceof Future<?>) {
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+ try {
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+ Future<?> future = (Future<?>) r;
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+ if (future.isDone()) {
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+ future.get();
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+ }
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+ } catch (CancellationException ce) {
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+ t = ce;
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+ } catch (ExecutionException ee) {
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+ t = ee.getCause();
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+ } catch (InterruptedException ie) {
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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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+ log.error(t.getMessage(), t);
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+ }
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+ }
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+}
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