From a3360878835e4606c968441e432b0c3d4bd921ae Mon Sep 17 00:00:00 2001
From: sean.zhou <sean.zhou@dji.com>
Date: Fri, 23 Sep 2022 18:04:07 +0800
Subject: [PATCH] V1.2.0

---
 src/main/java/com/dji/sample/manage/service/impl/LiveStreamServiceImpl.java |   16 ++++++++++------
 1 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/src/main/java/com/dji/sample/manage/service/impl/LiveStreamServiceImpl.java b/src/main/java/com/dji/sample/manage/service/impl/LiveStreamServiceImpl.java
index 9ef86b1..e5b6c8f 100644
--- a/src/main/java/com/dji/sample/manage/service/impl/LiveStreamServiceImpl.java
+++ b/src/main/java/com/dji/sample/manage/service/impl/LiveStreamServiceImpl.java
@@ -5,6 +5,7 @@
 import com.dji.sample.component.mqtt.model.CommonTopicResponse;
 import com.dji.sample.component.mqtt.model.ServiceReply;
 import com.dji.sample.component.mqtt.model.ServicesMethodEnum;
+import com.dji.sample.component.mqtt.model.StateDataEnum;
 import com.dji.sample.component.mqtt.service.IMessageSenderService;
 import com.dji.sample.component.redis.RedisConst;
 import com.dji.sample.component.redis.RedisOpsUtils;
@@ -25,10 +26,7 @@
 import org.springframework.util.StringUtils;
 
 import java.lang.reflect.Field;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-import java.util.UUID;
+import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.stream.Collectors;
 
@@ -80,11 +78,17 @@
     }
 
     @Override
-    public void saveLiveCapacity(LiveCapacityReceiver liveCapacityReceiver) {
+    public void saveLiveCapacity(LiveCapacityReceiver liveCapacityReceiver, Long timestamp) {
+        // Solve timing problems
         for (CapacityDeviceReceiver capacityDeviceReceiver : liveCapacityReceiver.getDeviceList()) {
+            long last = (long) Objects.requireNonNullElse(
+                    redisOps.get(StateDataEnum.LIVE_CAPACITY + RedisConst.DELIMITER + capacityDeviceReceiver.getSn()), 0L);
+            if (last > timestamp) {
+                return;
+            }
             capacityCameraService.saveCapacityCameraReceiverList(
                     capacityDeviceReceiver.getCameraList(),
-                    capacityDeviceReceiver.getSn());
+                    capacityDeviceReceiver.getSn(), timestamp);
         }
     }
 

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