From 05f799b8a5ce57b1f98dc5f8ab08308c32a6ec63 Mon Sep 17 00:00:00 2001
From: liusuyi <1951119284@qq.com>
Date: Fri, 16 Jan 2026 09:35:22 +0800
Subject: [PATCH] 优化
---
ard-work/src/main/java/com/ard/work/service/impl/ArdFlightTaskPartServiceImpl.java | 76 +++++++++++++++++++++++++------------
1 files changed, 51 insertions(+), 25 deletions(-)
diff --git a/ard-work/src/main/java/com/ard/work/service/impl/ArdFlightTaskPartServiceImpl.java b/ard-work/src/main/java/com/ard/work/service/impl/ArdFlightTaskPartServiceImpl.java
index 4f20a52..dc2658d 100644
--- a/ard-work/src/main/java/com/ard/work/service/impl/ArdFlightTaskPartServiceImpl.java
+++ b/ard-work/src/main/java/com/ard/work/service/impl/ArdFlightTaskPartServiceImpl.java
@@ -1,6 +1,7 @@
package com.ard.work.service.impl;
import cn.hutool.core.util.SerializeUtil;
+import com.ard.common.utils.DateUtils;
import com.ard.work.domain.cache.UavStateCache;
import com.ard.work.domain.cache.UavTelemetryDataCache;
import com.ard.work.domain.dto.UavFlightStateDTO;
@@ -14,10 +15,13 @@
import org.springframework.scheduling.annotation.Async;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;
+
import java.util.ArrayList;
+import java.util.Comparator;
import java.util.Date;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
+
/**
* 轨迹分片处理业务
*/
@@ -27,7 +31,8 @@
public class ArdFlightTaskPartServiceImpl implements IArdFlightTaskPartService {
private final ArdFlightTaskPartMapper ardflightTaskPartMapper;
-
+ // 上一次飞行状态缓存
+ private final ConcurrentHashMap<String, Integer> lastFlightStatusMap = new ConcurrentHashMap<>();
/**
* 缓存：boxSn -> 当前分片数据
*/
@@ -40,30 +45,47 @@
/**
* 定时任务：每秒读取一次设备状态数据
- * 注意：这里模拟读取状态，实际应该调用设备接口或缓存
*/
@Scheduled(fixedRate = 1000)
public void readTelemetryTask() {
- UavTelemetryDataCache.forEach((boxSn, telemetryData) -> {
+ log.debug("定时任务：读取遥测数据");
+ try {
+ long now = System.currentTimeMillis();
+ UavTelemetryDataCache.forEach((boxSn, telemetryData) -> {
+ // 1️⃣ 从状态缓存里取当前状态
+ UavState uavState = UavStateCache.get(boxSn);
+ if (uavState == null) {
+ log.warn("状态不存在，不记录");
+ return; // 状态不存在，不记录
+ }
- // 从状态缓存里取当前状态
- UavState uavState = UavStateCache.get(boxSn);
- if (uavState == null) {
- return; // 状态不存在，不记录
- }
+ // 2️⃣ 使用遥测自身时间戳判断是否还活着
+ long dataTs = telemetryData.getTimestamp(); // 设备时间 / 服务器接收时间
+ if (now - dataTs > 3000) {
+ //log.warn("超过 3 秒没有新遥测 → 认为已离线或冻结，不记录：{}", new Date(dataTs));
+ return; // 超过 3 秒没有新遥测 → 认为已离线或冻结，不记录
+ }
- if(uavState.getFlightControllerState().getFlightStatus()!=2)
- {
- return; // 飞行状态不是飞行中，不记录
- }
+ int currentStatus = uavState.getFlightControllerState().getFlightStatus();
+ Integer lastStatus = lastFlightStatusMap.get(boxSn);
- UavFlightStateDTO dto = new UavFlightStateDTO(
- uavState,
- telemetryData,
- System.currentTimeMillis()
- );
- addTelemetryData(dto);
- });
+ // 仅在“飞行中 → 非飞行中”状态变化时 flush
+ if (lastStatus != null && lastStatus == 2 && currentStatus != 2) {
+ flushRemaining(boxSn);
+ }
+ lastFlightStatusMap.put(boxSn, currentStatus);
+ log.debug("设备 {} 当前状态为：{}", boxSn, currentStatus);
+ // 只有飞行中才添加缓存
+ if (currentStatus == 2) {
+ log.warn("设备 {} 当前状态为飞行中，添加遥测数据到缓存", boxSn);
+ UavFlightStateDTO dto = new UavFlightStateDTO(uavState, telemetryData, dataTs);
+ addTelemetryData(dto);
+ }
+ });
+ }
+ catch (Exception e) {
+ log.error("定时任务：读取遥测数据异常", e);
+ }
}
/**
@@ -93,16 +115,17 @@
try {
byte[] blobData = SerializeUtil.serialize(dataList);
-
+ // 取第一个和最后一个状态时间
+ long startTs = dataList.get(0).getTimestamp();
+ long endTs = dataList.get(dataList.size() - 1).getTimestamp();
ArdFlightTaskPart part = ArdFlightTaskPart.builder()
.boxSn(boxSn)
.count(dataList.size())
.dataPart(blobData)
+ .startTime(new Date(startTs))
+ .endTime(new Date(endTs))
.build();
- // 使用 list 中第一条数据的时间作为 createTime
- long firstTimeMillis = dataList.get(0).getTimestamp();
- Date createTime = new Date(firstTimeMillis);
- part.setCreateTime(createTime);
+ part.setCreateTime(new Date());
ardflightTaskPartMapper.insert(part);
log.info("设备 {} 分片保存 {} 条飞行数据到数据库成功", boxSn, dataList.size());
@@ -134,7 +157,7 @@
public List<UavFlightStateDTO> getCompleteFlightData(ArdFlightTaskPart ardFlightTaskPart) {
List<UavFlightStateDTO> allData = new ArrayList<>();
String boxSn = ardFlightTaskPart.getBoxSn();
- List<ArdFlightTaskPart> parts = ardflightTaskPartMapper.selectByTaskStartTime(ardFlightTaskPart);
+ List<ArdFlightTaskPart> parts = ardflightTaskPartMapper.selectByTimeRange(ardFlightTaskPart);
for (ArdFlightTaskPart part : parts) {
try {
List<UavFlightStateDTO> partData = SerializeUtil.deserialize(part.getDataPart());
@@ -143,6 +166,9 @@
log.error("反序列化 boxSn={} 分片数据失败", boxSn, e);
}
}
+ // 按 telemetryData.timestamp 升序排序
+ allData.sort(Comparator.comparingLong(dto -> dto.getTelemetryData().getTimestamp()));
+
return allData;
}
}
--
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