From b0aafc8d330fddebb974c6a62737619d072a0f96 Mon Sep 17 00:00:00 2001
From: zch <zangch@mesnac.com>
Date: Thu, 17 Oct 2024 15:52:03 +0800
Subject: [PATCH] =?UTF-8?q?change=20-=20=E7=9C=8B=E6=9D=BF=E8=AE=BE?=
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- 看板设备检测面板，点击监控单元父节点，显示子孙节点（监控单元）下的所有设备
- 新增递归方法获取监控单元的所有子孙节点
- 将子孙节点的设备信息合并到查询结果中
- 注意：数据库样本较少，性能和有效性待进一步验证
---
 .../service/impl/HwDeviceServiceImpl.java     | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/ruoyi-modules/hw-business/src/main/java/com/ruoyi/business/service/impl/HwDeviceServiceImpl.java b/ruoyi-modules/hw-business/src/main/java/com/ruoyi/business/service/impl/HwDeviceServiceImpl.java
index 82bf466..ec3105a 100644
--- a/ruoyi-modules/hw-business/src/main/java/com/ruoyi/business/service/impl/HwDeviceServiceImpl.java
+++ b/ruoyi-modules/hw-business/src/main/java/com/ruoyi/business/service/impl/HwDeviceServiceImpl.java
@@ -433,6 +433,26 @@ public class HwDeviceServiceImpl implements IHwDeviceService {
         String databaseName = TdEngineConstants.getDatabaseName();
 
         List<HwDevice> hwDevices = hwDeviceMapper.selectHwDeviceListByMonitor(queryHwDevice);
+
+/*        获取该监控单元节点下的所有子孙节点的设备    */
+        //获取所有监控单元
+        List<HwMonitorUnit> hwMonitorUnits = hwMonitorUnitMapper.selectHwMonitorUnitList(new HwMonitorUnit());
+        Long targetNodeId = queryHwDevice.getMonitorUnitId();//目标节点,即父节点ID
+        //TODO（zangch，2024.10.16）：在hwDevices拼接子孙节点的设备列表，数据库样本少未完全验证性能和有效性
+        //调用递归方法
+        List<HwMonitorUnit> descendants = getAllHwMonitorUnits(hwMonitorUnits,targetNodeId);
+        // 遍历所有监控单元
+        for (HwMonitorUnit hwMonitorUnit : descendants){
+            // 创建设备对象
+            HwDevice hwMonitorUnitDevice = new HwDevice();
+            // 设置监控单元ID
+            hwMonitorUnitDevice.setMonitorUnitId(hwMonitorUnit.getMonitorUnitId());
+            // 根据监控单元ID查询设备列表
+            List<HwDevice> hwDevicesByMonitor = hwDeviceMapper.selectHwDeviceListByMonitor(hwMonitorUnitDevice);
+            // 将查询到的设备列表添加到总列表中
+            hwDevices.addAll(hwDevicesByMonitor);
+        }
+
         if (hwDevices.size()>0){
         hwDevices.forEach(hwDevice -> {
             Long deviceId = hwDevice.getDeviceId();
@@ -548,6 +568,26 @@ public class HwDeviceServiceImpl implements IHwDeviceService {
         return devicesMap;
     }
 
+    //TODO（zangch，2024.10.16）:递归获取所有子孙节点，数据库数据太少没办法验证是否完全有效
+/*    根据节点ID获取所有子孙节点*/
+    private List<HwMonitorUnit> getAllHwMonitorUnits(List<HwMonitorUnit> hwMonitorUnits,Long nodeId){
+        // 创建一个空的列表，用于存储所有子节点
+        List<HwMonitorUnit> hwMonitorUnitList = new ArrayList<>();
+        // 遍历所有节点
+        for(HwMonitorUnit node :hwMonitorUnits){
+            // 如果当前节点的父节点ID等于传入的节点ID
+            if (node.getParentId().equals(nodeId)){
+                // 当前节点是直接子节点，加入结果集并继续寻找其子孙节点
+                hwMonitorUnitList.add(node);
+                // 递归调用方法，获取当前节点的所有子孙节点
+                hwMonitorUnitList.addAll(getAllHwMonitorUnits(hwMonitorUnits, node.getMonitorUnitId()));
+            }
+        }
+        // 返回所有子节点
+        return hwMonitorUnitList;
+    }
+
+
     /**
      * 查询设备信息列表,join监控单元、设备模型等表
      *