1、根据新的流程重新梳理获取视频资源（地区和通道信息）

renren-admin/src/main/java/io/renren/modules/monitor/eventListen/GetAboutCameraChannelEventListener.java

@@ -0,0 +1,58 @@
+package io.renren.modules.monitor.eventListen;
+
+import io.renren.modules.monitor.eventListen.saveCameraChannelEndEvent.SaveCameraChannelEndEvent;
+import io.renren.modules.monitor.eventListen.saveOrgenizationEndEvent.SaveOrgenizationEndEvent;
+import io.renren.modules.monitor.mapper.CameraOrgenizationMapper;
+import io.renren.modules.monitor.service.MonitorService;
+import lombok.extern.log4j.Log4j2;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.event.EventListener;
+import org.springframework.core.annotation.Order;
+import org.springframework.scheduling.annotation.Async;
+import org.springframework.stereotype.Component;
+
+/**
+ * 关于获取视频通道相关信息的监听器
+ * @author ytl
+ * @Date 2022/7/27 15:17
+ **/
+@Component
+@Log4j2
+public class GetAboutCameraChannelEventListener {
+    @Autowired
+    private MonitorService monitorService;
+
+    @Autowired
+    private CameraOrgenizationMapper cameraOrgenMapper;
+
+    @Async
+    @Order(value = 1)//值越小，越优先执行
+    @EventListener(SaveOrgenizationEndEvent.class)
+    public void listenOrgenizationEvent(SaveOrgenizationEndEvent event) throws Exception{
+        boolean msg = event.getMsg();
+        log.info("开始处理SaveOrgenizationEndEvent 消息事件。。。。"+msg);
+        //......处理流程代码
+        if(msg){
+            monitorService.saveChannelInfoAsync();
+        }
+    }
+
+    @Async
+    @Order(value = 2)//值越小，越优先执行
+    @EventListener(SaveCameraChannelEndEvent.class)
+    public void listenChannelEvent(SaveCameraChannelEndEvent event) throws Exception{
+        boolean msg = event.getMsg();
+        log.info("开始处理SaveCameraChannelEndEvent 消息事件。。。。"+msg);
+
+        if(msg){
+            //保存cache表信息到正式表
+            monitorService.insertChannelCacheToCameraChannel();
+
+            //跟新t_region的channelcount
+            cameraOrgenMapper.updateRegionChannelCount();
+
+            //更新武伟达的标签表
+             monitorService.synchronizeMtmLabel();
+        }
+    }
+}

renren-admin/src/main/java/io/renren/modules/monitor/eventListen/saveCameraChannelEndEvent/SaveCameraChannelEndEvent.java

@@ -0,0 +1,24 @@
+package io.renren.modules.monitor.eventListen.saveCameraChannelEndEvent;
+
+import org.springframework.context.ApplicationEvent;
+
+/**
+ * @author ytl
+ * @Date 2022/7/28 10:24
+ **/
+public class SaveCameraChannelEndEvent extends ApplicationEvent {
+    private boolean msg;
+
+    public SaveCameraChannelEndEvent(Object source,boolean msg) {
+        super(source);
+        this.msg = msg;
+    }
+
+    public boolean getMsg(){
+        return msg;
+    }
+
+    public void setMsg(boolean msg){
+        this.msg = msg;
+    }
+}

renren-admin/src/main/java/io/renren/modules/monitor/eventListen/saveOrgenizationEndEvent/SaveOrgenizationEndEvent.java

@@ -0,0 +1,24 @@
+package io.renren.modules.monitor.eventListen.saveOrgenizationEndEvent;
+
+import lombok.extern.log4j.Log4j2;
+import org.springframework.context.ApplicationEvent;
+
+/**
+ * @author ytl
+ * @Date 2022/7/27 15:13
+ **/
+public class SaveOrgenizationEndEvent extends ApplicationEvent {
+    private boolean msg;
+    public SaveOrgenizationEndEvent(Object source,boolean msg) {
+        super(source);
+        this.msg = msg;
+    }
+
+    public boolean getMsg(){
+        return msg;
+    }
+
+    public void setMsg(boolean msg){
+        this.msg = msg;
+    }
+}

renren-admin/src/main/java/io/renren/modules/monitor/mapper/CameraChannelMapper.java

@@ -11,6 +11,7 @@ import org.apache.ibatis.annotations.Delete;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Param;
 import org.apache.ibatis.annotations.Select;
+import org.springframework.security.core.parameters.P;
 
 import java.util.List;
 import java.util.Map;
@@ -73,8 +74,16 @@ public interface CameraChannelMapper extends BaseDao<CameraChannel> {
 
     void batchSaveMtmLabel(@Param("list") List<Map<String,Object>> list);
 
-    @Delete("delete from t_camera_channel where gps_x is null or gps_y is null  or gps_x = '' or gps_y = '' ")
+    @Delete("delete from t_camera_channel_cache where gps_x is null or gps_y is null  or gps_x = '' or gps_y = '' ")
     void deleteByNonPlace();
 
     Map selectCameraChannelById(@Param("channelId") String channelId);
+
+    List<Map> selectCameraChannelByPid(@Param("parentId") String parentId);
+
+    void batchSaveCameraChannel(@Param("list") List<Map> list);
+
+    void insertChannelCacheToCameraChannel();
+
+    void batchSaveLabel(@Param("list") List<Map<String,Object>> list);
 }

renren-admin/src/main/java/io/renren/modules/monitor/mapper/CameraOrgenizationMapper.java

@@ -25,12 +25,14 @@ public interface CameraOrgenizationMapper extends BaseDao<CameraOrganization> {
 
     void batchSaveOrgenization(List<Map> list);
 
-    @Select("SELECT name,parent_id,id,path FROM t_camera_organization WHERE id = #{id}")
+    @Select("SELECT name,parent_id,id,path FROM t_camera_organization_cache WHERE id = #{id}")
     Map selectOrgenizationById(@Param("id") String id);
 
     @Update("UPDATE t_camera_organization SET path = TRIM( TRAILING  '->' FROM #{path}) where id = #{id}")
     void updateOrganizationPaht(@Param("path") String path,@Param("id") String id);
 
+    void updateOrganizationPath(@Param("path") String path,@Param("id") String id);
+
     @Select(" SELECT id FROM t_camera_organization")
     List<Map> listOrgenization();
 
@@ -45,13 +47,15 @@ public interface CameraOrgenizationMapper extends BaseDao<CameraOrganization> {
     @Select("select * from t_camera_organization")
     List<Map> testAll();
 
+    List<Map> selectAll();
+
     @Update("truncate table ${tableName}")
     void truncate(@Param("tableName") String tableName) ;
 
-    @Select("select orgaid,id,name,path from t_camera_organization order by orgaid")
+    @Select("select orgaid,id,name,path from t_camera_organization_cache order by orgaid")
     List<Map> selectAllSubOrganizationMap();
 
-    @Update("UPDATE t_camera_organization SET channelCount = #{channelCount} where orgaid = #{orgaId}")
+    @Update("UPDATE t_camera_organization_cache SET channelCount = #{channelCount} where orgaid = #{orgaId}")
     void editChannelCount(@Param("channelCount") Integer channelCount,@Param("orgaId") Integer orgaId);
 
     void updateRegionChannelCount();
@@ -62,4 +66,6 @@ public interface CameraOrgenizationMapper extends BaseDao<CameraOrganization> {
 //            "\t) b ON a.id = b.parent_id \n" +
 //            ") ORDER BY orgaid ASC ")
 //    List<Map> listOrgenization2();
+
+    void insertOrganizationCacheToCameraOrganization();
 }

renren-admin/src/main/java/io/renren/modules/monitor/service/MonitorService.java

@@ -8,6 +8,8 @@ import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.google.common.collect.Lists;
 import io.renren.modules.monitor.dto.ChannelLabelDto;
 import io.renren.modules.monitor.entity.*;
+import io.renren.modules.monitor.eventListen.saveCameraChannelEndEvent.SaveCameraChannelEndEvent;
+import io.renren.modules.monitor.eventListen.saveOrgenizationEndEvent.SaveOrgenizationEndEvent;
 import io.renren.modules.monitor.mapper.*;
 import lombok.extern.log4j.Log4j2;
 import org.bytedeco.javacv.FFmpegFrameGrabber;
@@ -15,12 +17,14 @@ import org.bytedeco.javacv.Frame;
 import org.bytedeco.javacv.Java2DFrameConverter;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.ApplicationEventPublisher;
 import org.springframework.context.annotation.Lazy;
 import org.springframework.http.*;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.scheduling.annotation.Async;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.Base64Utils;
 import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
@@ -44,6 +48,7 @@ import java.util.*;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
+import java.util.concurrent.atomic.AtomicInteger;
 
 @Service
 @Log4j2
@@ -51,6 +56,9 @@ public class MonitorService {
     private static Integer cpuNUm = Runtime.getRuntime().availableProcessors();
     private static final ExecutorService executor = Executors.newFixedThreadPool(cpuNUm);
 
+    @Autowired
+    private ApplicationEventPublisher publisher;
+
     @Autowired
     private RestTemplate restTemplate;
 
@@ -1129,7 +1137,42 @@ public class MonitorService {
         return Result.success(maps);
     }
 
-    public List<JSONObject> getOrgenization(List<JSONObject> list){
+    //以此作为获取视频资源
+    public void getAndSaveOrgenization(){
+        List<JSONObject> orgenizationByPage = this.getOrgenization(new ArrayList<JSONObject>(10000));
+        if(orgenizationByPage != null && orgenizationByPage.size() > 0){
+            cameraOrgenMapper.truncate("t_camera_organization_cache");
+            List<Map> maps = JSONObject.parseArray(JSONObject.toJSONString(orgenizationByPage), Map.class);
+            if(maps.size() > 0){
+                List<List<Map>> lists = Lists.partition(maps,100);
+                lists.forEach(list->{
+                    cameraOrgenMapper.batchSaveOrgenization(list);
+                });
+
+                //修改path 信息
+                List<Map> maps2 = cameraOrgenMapper.selectAll();
+                maps2.forEach(map->{
+                    this.setOrganizationPath(map,map.get("parent_id").toString());
+                });
+
+                maps2.forEach(m->{
+                    cameraOrgenMapper.updateOrganizationPath(m.get("path").toString(),m.get("id").toString());
+                });
+
+                //发布事件
+                publisher.publishEvent(new SaveOrgenizationEndEvent(this,true));
+            }
+        }
+    }
+
+    public List<JSONObject> getOrgenization(List<JSONObject> list) {
+        int count = 0;
+        boolean flag = true;
+        while(flag){
+            if(count >= 9){
+                flag = false;
+            }
+            count ++;
             try {
                 List<JSONObject> list1 = this.getOrgenizationRoot();
                 list.addAll(list1);
@@ -1138,18 +1181,32 @@ public class MonitorService {
                         getOrgenizationByParent(list,a.getString("id"));
                     }
                 });
-            if(list != null && list.size() > 0){
+//                if(list != null && list.size() > 0){
-                cameraOrgenMapper.truncate("t_camera_organization");
+//                    cameraOrgenMapper.truncate("t_camera_organization");
-            }
+//                }
+                flag = false;
                 return list;
             }catch (Exception e){
-            log.info(e.getMessage());
+                System.out.println("第"+String.valueOf(count)+"次获取，错误是：");
-            return null;
+                System.out.println(e.getMessage());
+                if(count >= 10){
+                    log.error("获取视频通道组织信息失败，失败原因:{}",e.getMessage());
+                    return new ArrayList<JSONObject>();
                 }
+                list.clear();
+                try {
+                    Thread.sleep(1000);
+                } catch (InterruptedException interruptedException) {
+                    interruptedException.printStackTrace();
+                }
+                continue;
+            }
+        }
+        return list;
     }
 
     //获取根组织
-    public List<JSONObject> getOrgenizationRoot() throws Exception{
+    public List<JSONObject> getOrgenizationRoot(){
         List<JSONObject> list = new ArrayList<>();
         String url = monitorDomain +  "/videoService/devicesManager/deviceTree?id=&nodeType=1&typeCode=01&page=1&pageSize=3000";
         HttpHeaders headers = new HttpHeaders();
@@ -1253,7 +1310,12 @@ public class MonitorService {
         HttpEntity<Map> httpEntity = new HttpEntity<>(null, headers);
         responseEntity = restTemplate.exchange(url, HttpMethod.GET,httpEntity,JSONObject.class);
         JSONObject re = responseEntity.getBody();
-        List<Map> results = re.getJSONArray("results").toJavaList(Map.class);
+        List<Map> results = new ArrayList<>();
+        if(re.getJSONArray("results") != null){
+            results = re.getJSONArray("results").toJavaList(Map.class);
+        }else{
+            log.info("根据地区id:{}获取摄像头信息失败，失败原因:{}",orgenId,re.toJSONString());
+        }
         return results;
     }
 
@@ -1269,16 +1331,18 @@ public class MonitorService {
     }
 
     //2、获取视频通道信息并保存,多线程版
-    @Async
+    //@Async
     public void saveChannelInfoAsync() throws Exception {
+        AtomicInteger faulseCount = new AtomicInteger();//失败的次数
         //1-清空t_camera_channel
-        cameraOrgenMapper.truncate("t_camera_channel");
+        cameraOrgenMapper.truncate("t_camera_channel_cache");
 
         //2-创建线程池
-        ExecutorService executorService = Executors.newFixedThreadPool(20);//20个线程足够
+        ExecutorService executorService = Executors.newFixedThreadPool(16);
 
         //3-查询全部地区
-        List<Map> maps = cameraOrgenMapper.testAll();
+        //List<Map> maps = cameraOrgenMapper.testAll();
+        List<Map> maps = cameraOrgenMapper.selectAll();
         List<List<Map>> lists = Lists.partition(maps, 1000);
 
         List<CompletableFuture> completableFutureLis = new ArrayList<>();
@@ -1300,12 +1364,24 @@ public class MonitorService {
 
                                 }catch (Exception e){
                                     log.info("根据地区id:{}查询视频通道失败,这是第{}次重试",m.get("id").toString(),tryCount);
+                                    if(tryCount >= 10){
+                                        faulseCount.incrementAndGet();
+                                        log.error("根据地区id:{},查询视频通道失败,超出重试次数",m.get("id").toString());
+                                        //去t_camera_channel查询相关信息并保存
+                                        cameraChannels = cameraChannelMapper.selectCameraChannelByPid(m.get("id").toString());
+                                        if(cameraChannels.size() > 0){
+                                            List<List<Map>> channelList = Lists.partition(cameraChannels,100);
+                                            for(List<Map> ll:channelList){
+                                                cameraChannelMapper.batchSaveCameraChannel(ll);
+                                            }
+                                        }
+                                    }
                                     continue;
                                 }
                                 //5-保存视频通道信息
                                 batchSaveChannelInfos(cameraChannels,m.get("id").toString());
                                 //6-更新地区表的count
-                                cameraOrgenMapper.updateOrganizationCount(m.get("id").toString());
+                                //cameraOrgenMapper.updateOrganizationCount(m.get("id").toString());
                                 flag = false;
                             }
                         });
@@ -1318,14 +1394,21 @@ public class MonitorService {
         //6-更新完通道信息后,删除经度或纬度为空的视频通道信息
         cameraChannelMapper.deleteByNonPlace();
 
-        //7-查询地区下通道的数量并更新到地区表和市区表中
+        //7-查询地区下通道的数量并更新到地区cache表中
         editChannelCount();
 
+        //发布事件
+        publisher.publishEvent(new SaveCameraChannelEndEvent(this,true));
+        //以下方法将在事件后处理
+        //将cache表数据保存到相应的主表中
+        //insertChannelCacheToCameraChannel);
         //8-同步武伟达的t_channel_mtm_label数据
-        synchronizeMtmLabel();
+        //synchronizeMtmLabel();
+
     }
 
     //同步武伟达的t_channel_mtm_label数据
+    @Transactional(rollbackFor = Exception.class)
     public void synchronizeMtmLabel(){
         DruidDataSource druidDataSource = new DruidDataSource();
         druidDataSource.setUrl(jdbcUrl);
@@ -1335,7 +1418,7 @@ public class MonitorService {
         jdbcTemplate.setDataSource(druidDataSource);
 
         List<Map<String, Object>> maps = jdbcTemplate.queryForList("select * from t_channel_mtm_label");
-        if(maps.size() > 0){
+        if (maps.size() > 0){
             //清空t_channel_mtm_label
             cameraOrgenMapper.truncate("t_channel_mtm_label");
             List<List<Map<String, Object>>> partition = Lists.partition(maps, 200);
@@ -1344,8 +1427,26 @@ public class MonitorService {
             });
         }
 
+        List<Map<String, Object>> labelMaps = jdbcTemplate.queryForList("select * from t_label");
+        if (labelMaps.size() > 0){
+            //清空t_label
+            cameraOrgenMapper.truncate("t_label");
+            List<List<Map<String, Object>>> partition = Lists.partition(maps, 200);
+            partition.forEach(list->{
+                cameraChannelMapper.batchSaveLabel(list);
+            });
         }
 
+    }
+
+    //将t_camera_organization_cache和camera_channel_cache表数据保存到相应的主表中
+    @Transactional(rollbackFor = Exception.class)
+    public void insertChannelCacheToCameraChannel(){
+        cameraOrgenMapper.truncate("t_camera_organization");
+        cameraOrgenMapper.insertOrganizationCacheToCameraOrganization();
+        cameraOrgenMapper.truncate("t_camera_channel");
+        cameraChannelMapper.insertChannelCacheToCameraChannel();
+    }
 
     //单独保存视频通道信息
     public void batchSaveChannelInfos(List<Map> list,String parentId){
@@ -1366,23 +1467,24 @@ public class MonitorService {
                     needSave.add(j);
                 }
             }
-        }else{//更新count字段
-            cameraOrgenMapper.updateOrganizationCount(parentId);
         }
+//        else{//更新count字段
+//            cameraOrgenMapper.updateOrganizationCount(parentId);
+//        }
 
         //修改nodeName
         needSave.forEach(map->setNodeName(map,map.get("parentId").toString()));
-        //保存并更新count字段
+        //保存
         if(needSave.size() > 0){
             List<List<Map>> partition = Lists.partition(needSave, 100);
             partition.forEach(l->{
                 cameraOrgenMapper.batchSaveCameraChannel(l);
             });
-            cameraOrgenMapper.updateOrganizationCount(parentId);
+            //cameraOrgenMapper.updateOrganizationCount(parentId);
         }
     }
 
-    //更新完通道信息后，查询地区下通道的数量并更新到地区表中和市区表中
+    //更新完通道信息后，查询地区下通道的数量并更新到地区表中
     public void editChannelCount() throws Exception{
         //1-更新地区表中的每个地区下channelCount
         List<Map> maps = cameraOrgenMapper.selectAllSubOrganizationMap();
@@ -1395,7 +1497,7 @@ public class MonitorService {
             };
         }
         //2-更新市区表t_region表中的channelCount
-        cameraOrgenMapper.updateRegionChannelCount();
+        //cameraOrgenMapper.updateRegionChannelCount();
     }
 
     public List<Map> listChildOrgenIds(String id){
@@ -1408,6 +1510,18 @@ public class MonitorService {
 
         return childs;
     }
+
+    public void test(){
+        //保存cache表信息到正式表
+        insertChannelCacheToCameraChannel();
+
+        cameraOrgenMapper.updateRegionChannelCount();
+
+        //更新武伟达的标签表
+        //synchronizeMtmLabel();
+
+
+    }
 }
 
 

renren-admin/src/main/resources/mapper/monitor/CameraChannelMapper.xml

@@ -117,7 +117,7 @@
     </select>
 
     <select id="selectChannelCounts" parameterType="java.lang.String" resultType="integer">
-        SELECT COUNT(a.idt_camera_channel) FROM t_camera_channel a inner join t_camera_organization b on a.parent_id = b.id
+        SELECT COUNT(a.idt_camera_channel) FROM t_camera_channel_cache a inner join t_camera_organization_cache b on a.parent_id = b.id
         WHERE b.path like concat(#{path},'%')
     </select>
 
@@ -242,4 +242,48 @@
         SELECT channel_id AS channelId,channel_name AS channelName FROM t_camera_channel
         WHERE channel_id = #{channelId} LIMIT 1
     </select>
+
+    <select id="selectCameraChannelByPid" parameterType="java.lang.String" resultType="java.util.Map">
+        SELECT channel_code AS channelCode,channel_id AS channelId,channel_name AS channelName,gps_x AS gpsX,
+               gps_y AS gpsY,status,parent_id AS parentId,region_code AS regionCode,region_name AS regionName,
+               node_name AS nodeName
+        FROM t_camera_channel
+        WHERE parent_id = #{parentId}
+    </select>
+
+    <insert id="batchSaveCameraChannel" parameterType="java.util.List">
+        INSERT INTO t_camera_channel_cache
+        (
+        channel_code,channel_id,channel_name,gps_x,gps_y,status,
+        parent_id,region_code,region_name,node_name
+        )
+        VALUES
+        <foreach collection="list" item="item" separator="," >
+            (
+            #{item.channelCode},#{item.channelId},#{item.channelName},#{item.gpsX},#{item.gpsY},#{item.status},
+            #{item.parentId},#{item.regionCode},#{item.regionName},#{item.nodeName}
+            )
+        </foreach>
+    </insert>
+
+    <insert id="insertChannelCacheToCameraChannel">
+        INSERT INTO t_camera_channel
+        (
+            channel_code,channel_id,channel_name,gps_x,gps_y,status,
+            parent_id,region_code,region_name,node_name,check_status
+        )
+        SELECT channel_code,channel_id,channel_name,gps_x,gps_y,status,
+               parent_id,region_code,region_name,node_name,check_status
+        FROM t_camera_channel_cache
+    </insert>
+
+    <insert id="batchSaveLabel" parameterType="java.util.List">
+        INSERT INTO t_label (
+        label_code,label_name,capture_patternn,city
+        )
+        VALUES
+        <foreach collection="list" item="item"  separator=",">
+            (#{item.label_code},#{item.label_name},#{item.capture_patternn},#{item.city})
+        </foreach>
+    </insert>
 </mapper>

renren-admin/src/main/resources/mapper/monitor/CameraOrganizationMapper.xml

@@ -3,7 +3,7 @@
 <mapper namespace="io.renren.modules.monitor.mapper.CameraOrgenizationMapper">
     <insert id="batchSaveOrgenization" parameterType="java.util.List">
 
-        INSERT INTO t_camera_organization (
+        INSERT INTO t_camera_organization_cache (
         id,name,parent_id,sort,subCount,path,is_parent,is_root
         ) VALUES
         <foreach collection="list" item="item" separator="," >
@@ -15,7 +15,7 @@
 
 
     <insert id="batchSaveCameraChannel" parameterType="java.util.List">
-        INSERT INTO t_camera_channel
+        INSERT INTO t_camera_channel_cache
         (
         channel_code,channel_id,channel_name,gps_x,gps_y,status,
         parent_id,region_code,region_name,node_name
@@ -50,4 +50,19 @@
 <!--                ON a.id = b.parent_id-->
 <!--          ) ORDER BY orgaid ASC-->
 <!--    </select>-->
+    <select id="selectAll" resultType="java.util.Map">
+        select * from t_camera_organization_cache
+    </select>
+
+    <update id="updateOrganizationPath" parameterType="java.lang.String">
+        UPDATE t_camera_organization_cache SET path = TRIM( TRAILING  '->' FROM #{path}) where id = #{id}
+    </update>
+
+    <insert id="insertOrganizationCacheToCameraOrganization">
+        INSERT INTO t_camera_organization
+        (
+            id,name,parent_id,sort,subCount,is_parent,path,is_root,channelCount,count
+        )
+        SELECT id,name,parent_id,sort,subCount,is_parent,path,is_root,channelCount,count FROM t_camera_organization_cache
+    </insert>
 </mapper>