From 3c2ee852994cc3c4d861484f12d972b42cb0ffee Mon Sep 17 00:00:00 2001
From: eight <641137800@qq.com>
Date: 星期三, 21 八月 2024 16:05:01 +0800
Subject: [PATCH] 并发问题 修改
---
jh-module-ecg/jh-module-ecg-biz/src/main/java/cn/lihu/jh/module/ecg/service/queue/queueServiceImpl.java | 160 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 159 insertions(+), 1 deletions(-)
diff --git a/jh-module-ecg/jh-module-ecg-biz/src/main/java/cn/lihu/jh/module/ecg/service/queue/queueServiceImpl.java b/jh-module-ecg/jh-module-ecg-biz/src/main/java/cn/lihu/jh/module/ecg/service/queue/queueServiceImpl.java
index 98a3b40..ceb0e55 100644
--- a/jh-module-ecg/jh-module-ecg-biz/src/main/java/cn/lihu/jh/module/ecg/service/queue/queueServiceImpl.java
+++ b/jh-module-ecg/jh-module-ecg-biz/src/main/java/cn/lihu/jh/module/ecg/service/queue/queueServiceImpl.java
@@ -1,5 +1,9 @@
package cn.lihu.jh.module.ecg.service.queue;
+import cn.lihu.jh.module.ecg.dal.dataobject.queue.QueueStatisticDO;
+import cn.lihu.jh.module.ecg.dal.dataobject.room.RoomDO;
+import cn.lihu.jh.module.ecg.dal.mysql.room.RoomMapper;
+import cn.lihu.jh.module.ecg.enums.QueueStatusEnum;
import org.springframework.stereotype.Service;
import org.springframework.validation.annotation.Validated;
@@ -11,6 +15,10 @@
import cn.lihu.jh.module.ecg.dal.mysql.queue.queueMapper;
import javax.annotation.Resource;
+
+import java.util.*;
+import java.util.concurrent.*;
+import java.util.concurrent.atomic.AtomicInteger;
import static cn.lihu.jh.framework.common.exception.util.ServiceExceptionUtil.exception;
import static cn.lihu.jh.module.ecg.enums.ErrorCodeConstants.*;
@@ -24,8 +32,20 @@
@Validated
public class QueueServiceImpl implements QueueService {
+ final static Integer MAX_QUEUE_NUM = 2;
+
+ AtomicInteger curSeqNum = new AtomicInteger(0);
+
+ PriorityBlockingQueue<BedQueueBO> priorityQueue = new PriorityBlockingQueue<>();
+ ConcurrentHashMap<String, BedQueueBO > mapBedVsQueue = new ConcurrentHashMap<>();
+
+ ExecutorService singleThreadExecutor = Executors.newSingleThreadExecutor();
+
@Resource
private queueMapper queueMapper;
+
+ @Resource
+ private RoomMapper roomMapper;
@Override
public Integer createqueue(QueueSaveReqVO createReqVO) {
@@ -69,4 +89,142 @@
return queueMapper.selectPage(pageReqVO);
}
-}
\ No newline at end of file
+ @Override
+ public List<QueueStatisticDO> queueStatistics(List<Byte> statusList) {
+ return queueMapper.queueStatistic(statusList);
+ }
+
+ public void initQueue() {
+ priorityQueue.clear();
+ mapBedVsQueue.clear();
+
+ // 浠嶥B 鑾峰彇 宸ヤ綅鍒楄〃
+ List<RoomDO> roomDOList = roomMapper.simpleRoomList();
+ List<BedQueueBO> bedQueueBOList = roomDOList.stream().map(item -> BeanUtils.toBean(item, BedQueueBO.class)).toList();
+
+ // 浠嶥B 鑾峰彇 闃熷垪涓� 灏辫瘖鍑嗗涓汉鍛樼粺璁� 鍒楄〃
+ List<Byte> queueStatusList = new ArrayList<>();
+ queueStatusList.add(QueueStatusEnum.READY.getStatus());
+ List<QueueStatisticDO> queueStatisticDOList = queueMapper.queueStatistic(queueStatusList);
+
+ bedQueueBOList.forEach(item -> {
+ item.maxQueueNum = MAX_QUEUE_NUM;
+ Optional<QueueStatisticDO> queueStatisticDOOptional = queueStatisticDOList.stream().filter(it->it.getRoomId()==item.roomId && it.getBedNo().equals(item.getBedNo())).findFirst();
+ item.queueNum.set( queueStatisticDOOptional.isPresent() ? queueStatisticDOOptional.get().getTotalInStatus() : 0 );
+ priorityQueue.offer(item);
+ mapBedVsQueue.put(String.format("%09d%s", item.roomId, item.bedNo), item);
+ });
+
+ Integer num = queueMapper.getMaxSeqNum();
+ curSeqNum = new AtomicInteger(null == num ? 0 : num);
+ }
+
+ public void reorderQueue() {
+ // 鏍规嵁棰勭害鍓嶅悗锛屼粠DB 鑾峰彇 闃熷垪涓� 灏辫瘖鍑嗗涓汉鍛� 鍒楄〃
+ List<Byte> queueStatusList = new ArrayList<>();
+ queueStatusList.add(QueueStatusEnum.READY.getStatus());
+ List<QueueDO> queueDOList = queueMapper.getOrderedQueue(queueStatusList);
+ if (queueDOList.isEmpty())
+ return;
+
+ AtomicInteger seqNum = new AtomicInteger(1);
+ queueDOList.forEach(item -> {item.setSeqNum(seqNum.getAndIncrement());});
+ queueMapper.updateBatch(queueDOList);
+
+ curSeqNum.set( seqNum.get() );
+ }
+
+ /**
+ * TODO 鏂板紑闃熷垪鏃讹紝闇�瑕佹妸鎺掗槦涓殑浜� 杞埌 灏辫瘖鍑嗗 鐘舵��
+ * 绛夊埌鍙栦笅涓�涓� 鎺掗槦涓汉鍛� 鐨勯�昏緫瀹屾垚鍚庯紝鍐嶅洖鏉ヤ笉閿�
+ */
+ public void hurryup() {
+ while (true) {
+ BedQueueBO bedQueueBO = priorityQueue.peek();
+ if (null == bedQueueBO)
+ return;
+
+ int curQueueNum = bedQueueBO.queueNum.get();
+ if (curQueueNum > bedQueueBO.maxQueueNum)
+ throw new RuntimeException("exceed max queue number!");
+
+ if (curQueueNum == bedQueueBO.maxQueueNum)
+ return;
+
+ Integer updateNum = queueMapper.preemptPatient(
+ bedQueueBO.getRoomId(),
+ bedQueueBO.getRoomName(),
+ bedQueueBO.getBedNo(),
+ curSeqNum.get() + 1,
+ QueueStatusEnum.WAITING.getStatus(),
+ QueueStatusEnum.READY.getStatus());
+
+ // 娌℃湁鎶㈠埌鎺掗槦鎮ｈ��
+ if (null == updateNum || 0 == updateNum) {
+ return;
+ }
+
+ curSeqNum.getAndIncrement();
+
+ // 鍙兘宸茬粡銆愬苟鍙戠殑銆戝湪 nextPatient 涓敼鍙樹簡鍊�
+ bedQueueBO.queueNum.incrementAndGet();
+
+ // 鍙兘宸茬粡銆愬苟鍙戠殑銆戝湪 nextPatient 涓敼鍙樹簡浼樺厛闃熷垪椤哄簭
+ priorityQueue.remove(bedQueueBO);
+ priorityQueue.offer(bedQueueBO);
+ }
+ }
+
+ /**
+ * 棰勭害纭鍚庣殑鎺掗槦
+ * @param queueSaveReqVO
+ */
+ @Override
+ public void queue(QueueSaveReqVO queueSaveReqVO) {
+ queueSaveReqVO.setStatus(QueueStatusEnum.WAITING.getStatus()); //鎺掗槦涓�
+ QueueDO queue = BeanUtils.toBean(queueSaveReqVO, QueueDO.class);
+ queueMapper.insert(queue);
+
+ singleThreadExecutor.submit( () -> {
+ hurryup();
+ });
+ }
+
+ private void nextPatient(Long roomId, String bedNo) {
+ // 浠� DB 鎶� 搴忓彿鏈�灏忕殑 灏辫瘖鍑嗗涓殑浜� 璁剧疆涓哄氨璇婁腑
+ queueMapper.updateQueueStatus(roomId, bedNo,
+ QueueStatusEnum.READY.getStatus(), QueueStatusEnum.ONSTAGE.getStatus());
+
+ // 浼樺厛闃熷垪涓� 璇ュ伐浣� 灏辫瘖鍑嗗涓汉鐨勬暟閲� 鍑忎竴
+ BedQueueBO bo = mapBedVsQueue.get(String.format("%09d%s", roomId, bedNo));
+ bo.queueNum.getAndDecrement(); // 鍙兘宸茬粡銆愬苟鍙戠殑銆戝湪 hurry-up 涓敼鍙樹簡鍊�
+ priorityQueue.remove(bo);
+ priorityQueue.offer(bo);
+
+ singleThreadExecutor.submit( () -> {
+ hurryup();
+ });
+ }
+
+ public void finishNextPatient(Long roomId, String bedNo) {
+ // 浠� DB 鎶� 灏辫瘖涓殑浜� 璁剧疆涓哄氨璇婂畬鎴�
+ Integer ret = queueMapper.updateQueueStatus(roomId, bedNo,
+ QueueStatusEnum.ONSTAGE.getStatus(), QueueStatusEnum.FINISH.getStatus());
+
+ nextPatient(roomId, bedNo);
+ }
+
+ public void passNextPatient(Long roomId, String bedNo) {
+ // 浠� DB 鎶� 灏辫瘖涓殑浜� 璁剧疆涓鸿繃鍙�
+ Integer ret = queueMapper.updateQueueStatus(roomId, bedNo,
+ QueueStatusEnum.ONSTAGE.getStatus(), QueueStatusEnum.PASSED.getStatus());
+
+ nextPatient(roomId, bedNo);
+ }
+
+ public List<QueueDO> getDoctorQueueByStatus(Long roomId, String bedNo, List<Byte> statusList) {
+ List<QueueDO> queueDOList = queueMapper.getDoctorQueueByStatus(roomId, bedNo, statusList);
+ return queueDOList;
+ }
+
+}
--
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