‘liusuyi’
2023-07-07 5f5cf5b1b4683a56fd0c85a0d89d14a4c0268cde
ard-work/src/main/java/com/ruoyi/alarm/globalAlarm/service/impl/QueueManager.java
@@ -2,6 +2,8 @@
import com.ruoyi.alarm.globalAlarm.domain.GuidePriorityQueue;
import com.ruoyi.alarm.globalAlarm.domain.GuideTask;
import com.ruoyi.common.utils.StringUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.tomcat.util.threads.TaskThread;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
@@ -11,21 +13,25 @@
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.PriorityBlockingQueue;
import static jdk.nashorn.internal.runtime.regexp.joni.Config.log;
/**
 * @ClassName QueueManager
 * @Description:
 * @Description: 队列管理
 * @Author 刘苏义
 * @Date 2023/6/29 21:09
 * @Version 1.0
 */
@Component
@Slf4j(topic = "guideQueue")
public class QueueManager {
    @Autowired
    private QueueTaskExecutor taskExecutor;
    private Map<String, TaskThread> threadMap = new ConcurrentHashMap<>();
    /*内部静态类*/
    private static class TaskThread {
        private Thread thread;
        private GuideTask currentTask;
@@ -48,36 +54,56 @@
        }
    }
    public void addTaskToQueue(String queueName, GuideTask task) {
        PriorityBlockingQueue<GuideTask> guideTaskQueue = GuidePriorityQueue.cameraQueueMap.get(queueName);
    /**
     * 引导任务入队
     * 刘苏义
     * 2023/6/30 8:57
     */
    public void addTaskToQueue(String cameraId, GuideTask task) {
        /*通过相机ID获取引导队列,并将引导任务加入队列*/
        PriorityBlockingQueue<GuideTask> guideTaskQueue = GuidePriorityQueue.cameraQueueMap.get(cameraId);
        if(StringUtils.isNull(guideTaskQueue))
        {
            log.info("相机未登录,没有队列,无法入队引导");
            return;
        }
        log.debug("新任务入队:"+task.getAlarmId());
        guideTaskQueue.add(task);
        TaskThread currentTaskThread = threadMap.get(queueName);
        /*获取该相机的当前执行线程*/
        TaskThread currentTaskThread = threadMap.get(cameraId);
        //如果队列当前线程正在运行,若入队任务优先级大于当前任务优先级,则终止当前线程
        if (currentTaskThread != null && task.getPriority() > currentTaskThread.getCurrentTask().getPriority()) {
            currentTaskThread.getThread().interrupt();
        }
        // Start a new thread if no thread is currently running for the queue
        //如果队列当前没有线程正在运行,则启动新线程
        if (currentTaskThread == null || !currentTaskThread.getThread().isAlive()) {
            Thread newThread = createThread(queueName, guideTaskQueue);
            threadMap.put(queueName, new TaskThread(newThread, task));
            Thread newThread = createThread(cameraId, guideTaskQueue);
            threadMap.put(cameraId, new TaskThread(newThread, task));
            newThread.start();
        }
    }
    /**
     * 创建线程
     * 刘苏义
     * 2023/6/30 9:04
     */
    private Thread createThread(String queueName, PriorityBlockingQueue<GuideTask> queue) {
        return new Thread(() -> {
            while (!Thread.currentThread().isInterrupted()) {
                try {
                    GuideTask task = queue.take();
                    log.debug("取出队列数据:"+task.getAlarmId());
                    taskExecutor.processTask(task);
                    GuidePriorityQueue.printPriorityQueue();
                    // Update the current task for the thread
                    // 更新线程的当前任务
                    TaskThread currentTaskThread = threadMap.get(queueName);
                    if (currentTaskThread != null) {
                        currentTaskThread.setCurrentTask(task);
                    }
                } catch (InterruptedException e) {
                    // Thread interrupted, exit the loop
                    log.info("中断当前线程");
                    //线程中断,退出循环
                    Thread.currentThread().interrupt();
                }
            }