Java8-ConcurrentUtils

本文介绍了一个简单的并发工具类,该工具类提供了停止ExecutorService的方法,并确保所有任务在关闭前完成或被正确中断。同时,还提供了一个睡眠方法来实现线程的暂停。

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import java.util.concurrent.ExecutorService;
import java.util.concurrent.TimeUnit;

public class ConcurrentUtils {

    public static void stop(ExecutorService executor) {
        try {
            executor.shutdown();
            executor.awaitTermination(60, TimeUnit.SECONDS);
        }
        catch (InterruptedException e) {
            System.err.println("termination interrupted");
        }
        finally {
            if (!executor.isTerminated()) {
                System.err.println("killing non-finished tasks");
            }
            executor.shutdownNow();
        }
    }

    public static void sleep(int seconds) {
        try {
            TimeUnit.SECONDS.sleep(seconds);
        } catch (InterruptedException e) {
            throw new IllegalStateException(e);
        }
    }

}
01-01 19:26:55.630 01566 01670 D APM_AudioPolicyManager: setVolumeCurveIndex device 40000000, index 14 01-01 19:26:55.630 02924 03113 E UsbDeviceManager: connectToProxy: usb gadget hidl hal service not found. java.util.NoSuchElementException at android.os.HwBinder.getService(Native Method) at android.hardware.usb.gadget.V1_0.IUsbGadget.getService(IUsbGadget.java:57) at android.hardware.usb.gadget.V1_0.IUsbGadget.getService(IUsbGadget.java:64) at com.android.server.usb.hal.gadget.UsbGadgetHidl.isServicePresent(UsbGadgetHidl.java:141) at com.android.server.usb.hal.gadget.UsbGadgetHalInstance.getInstance(UsbGadgetHalInstance.java:39) at com.android.server.usb.UsbDeviceManager.<init>(UsbDeviceManager.java:332) at com.android.server.usb.UsbService.<init>(UsbService.java:205) at com.android.server.usb.UsbService$Lifecycle.lambda$onStart$0(UsbService.java:113) at com.android.server.usb.UsbService$Lifecycle.$r8$lambda$HIZVSW8uTg1XjWF6etZh-bC1WP4(Unknown Source:0) at com.android.server.usb.UsbService$Lifecycle$$ExternalSyntheticLambda0.run(D8$$SyntheticClass:0) at com.android.server.SystemServerInitThreadPool.lambda$submitTask$0(SystemServerInitThreadPool.java:107) at com.android.server.SystemServerInitThreadPool.$r8$lambda$KBkrFsHiqcxWyjNRg1WxRI4WNHA(Unknown Source:0) at com.android.server.SystemServerInitThreadPool$$ExternalSyntheticLambda1.run(D8$$SyntheticClass:0) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:487) at java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:644) at com.android.internal.util.ConcurrentUtils$1$1.run(ConcurrentUtils.java:65) 01-01 19:26:55.630 02924 03113 E UsbPortManager: USB Gadget HAL AIDL/HIDL not present 01-01 19:26:55.630 02924 03113 D UsbDeviceManager: getInstance done
最新发布
08-12
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