重构车辆数据处理模块

- 新增 CacheUtil 类用于缓存管理
- 添加车辆上线和下线的 RabbitMQ 消息消费者- 实现基于事件的 IoTDB 数据持久化逻辑
- 重构 Kafka 消费者，支持多线程处理
- 移除多个不再使用的类和接口

cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/config/KafkaConsumerConfig.java

@@ -1,54 +0,0 @@
-package com.muyu.common.kafka.config;
-
-import com.muyu.common.kafka.constants.KafkaConstants;
-import org.apache.kafka.clients.consumer.KafkaConsumer;
-import org.apache.kafka.common.serialization.Deserializer;
-import org.apache.kafka.common.serialization.StringDeserializer;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.boot.SpringBootConfiguration;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * kafka 消息的消费者 配置类
- */
-@Configuration
-public class KafkaConsumerConfig {
-
-    @Bean
-    public KafkaConsumer kafkaConsumer() {
-        Map<String, Object> configs = new HashMap<>();
-        //kafka服务端的IP和端口,格式:(ip:port)
-        configs.put("bootstrap.servers", "60.204.221.52:9092");
-        //开启consumer的偏移量(offset)自动提交到Kafka
-        configs.put("enable.auto.commit", true);
-        //consumer的偏移量(offset) 自动提交的时间间隔,单位毫秒
-        configs.put("auto.commit.interval", 5000);
-        //在Kafka中没有初始化偏移量或者当前偏移量不存在情况
-        //earliest, 在偏移量无效的情况下, 自动重置为最早的偏移量
-        //latest, 在偏移量无效的情况下, 自动重置为最新的偏移量
-        //none, 在偏移量无效的情况下, 抛出异常.
-        configs.put("auto.offset.reset", "latest");
-        //请求阻塞的最大时间(毫秒)
-        configs.put("fetch.max.wait", 500);
-        //请求应答的最小字节数
-        configs.put("fetch.min.size", 1);
-        //心跳间隔时间(毫秒)
-        configs.put("heartbeat-interval", 3000);
-        //一次调用poll返回的最大记录条数
-        configs.put("max.poll.records", 500);
-        //指定消费组
-        configs.put("group.id", KafkaConstants.KafkaGrop);
-        //指定key使用的反序列化类
-        Deserializer keyDeserializer = new StringDeserializer();
-        //指定value使用的反序列化类
-        Deserializer valueDeserializer = new StringDeserializer();
-        //创建Kafka消费者
-        KafkaConsumer kafkaConsumer = new KafkaConsumer(configs, keyDeserializer, valueDeserializer);
-        return kafkaConsumer;
-    }
-
-}

cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/config/KafkaProviderConfig.java

@@ -1,45 +0,0 @@
-package com.muyu.common.kafka.config;
-
-import org.apache.kafka.clients.producer.KafkaProducer;
-import org.apache.kafka.common.serialization.Serializer;
-import org.apache.kafka.common.serialization.StringSerializer;
-import org.springframework.boot.SpringBootConfiguration;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * kafka 消息的生产者 配置类
- */
-@Configuration
-public class KafkaProviderConfig {
-
-    @Bean
-    public KafkaProducer kafkaProducer() {
-        Map<String, Object> configs = new HashMap<>();
-        //#kafka服务端的IP和端口,格式:(ip:port)
-        configs.put("bootstrap.servers", "47.116.173.119:9092");
-        //客户端发送服务端失败的重试次数
-        configs.put("retries", 2);
-        //多个记录被发送到同一个分区时,生产者将尝试将记录一起批处理成更少的请求.
-        //此设置有助于提高客户端和服务器的性能,配置控制默认批量大小(以字节为单位)
-        configs.put("batch.size", 16384);
-        //生产者可用于缓冲等待发送到服务器的记录的总内存字节数(以字节为单位)
-        configs.put("buffer-memory", 33554432);
-        //生产者producer要求leader节点在考虑完成请求之前收到的确认数,用于控制发送记录在服务端的持久化
-        //acks=0,设置为0,则生产者producer将不会等待来自服务器的任何确认.该记录将立即添加到套接字(socket)缓冲区并视为已发送.在这种情况下,无法保证服务器已收到记录,并且重试配置(retries)将不会生效(因为客户端通常不会知道任何故障),每条记录返回的偏移量始终设置为-1.
-        //acks=1,设置为1,leader节点会把记录写入本地日志,不需要等待所有follower节点完全确认就会立即应答producer.在这种情况下,在follower节点复制前,leader节点确认记录后立即失败的话,记录将会丢失.
-        //acks=all,acks=-1,leader节点将等待所有同步复制副本完成再确认记录,这保证了只要至少有一个同步复制副本存活,记录就不会丢失.
-        configs.put("acks", "-1");
-        //指定key使用的序列化类
-        Serializer keySerializer = new StringSerializer();
-        //指定value使用的序列化类
-        Serializer valueSerializer = new StringSerializer();
-        //创建Kafka生产者
-        KafkaProducer kafkaProducer = new KafkaProducer(configs, keySerializer, valueSerializer);
-        return kafkaProducer;
-    }
-
-}

cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/constants/KafkaConstants.java

@@ -1,9 +0,0 @@
-package com.muyu.common.kafka.constants;
-
-
-public class KafkaConstants {
-
-    public final static String KafkaTopic = "carJsons";
-
-//    public final static String KafkaGrop = "kafka_grop";
-}

cloud-modules/cloud-modules-carData/src/main/java/com/muyu/carData/CarDataApplication.java

@@ -1,9 +1,11 @@
 package com.muyu.carData;
 
-import com.muyu.carData.listener.MyListener;
+import com.muyu.common.security.annotation.EnableCustomConfig;
 import com.muyu.common.security.annotation.EnableMyFeignClients;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cache.annotation.EnableCaching;
+import org.springframework.scheduling.annotation.EnableAsync;
 
 /**
  * @Author：张腾
@@ -14,11 +16,12 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
  */
 @SpringBootApplication
 @EnableMyFeignClients
+@EnableCustomConfig
+@EnableAsync
+@EnableCaching
 public class CarDataApplication {
 
     public static void main(String[] args) {
-        SpringApplication application = new SpringApplication(CarDataApplication.class);
+        SpringApplication.run(CarDataApplication.class,args);
-        application.addListeners(new MyListener());
-        application.run(args);
     }
 }

cloud-modules/cloud-modules-carData/src/main/java/com/muyu/carData/config/lotdbconfig/IotDBSessionConfig.java

@@ -1,15 +1,22 @@
 package com.muyu.carData.config.lotdbconfig;
 
 import org.apache.iotdb.rpc.IoTDBConnectionException;
+import org.apache.iotdb.rpc.StatementExecutionException;
 import org.apache.iotdb.session.Session;
+import org.apache.iotdb.session.SessionDataSet;
 import org.apache.iotdb.session.pool.SessionPool;
+import org.apache.iotdb.tsfile.read.common.Field;
+import org.apache.iotdb.tsfile.read.common.RowRecord;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.stereotype.Component;
+import org.springframework.util.CollectionUtils;
 
+import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
 
 /**
@@ -76,6 +83,66 @@ public class IotDBSessionConfig {
     }
 
 
+    /**
+     * 添加操作
+     * @param deviceId
+     * @param time 时间戳
+     * @param measurements
+     * @param values 值
+     */
+    public void execute(String deviceId,long time,List<String> measurements,List<String> values){
+        if (CollectionUtils.isEmpty(measurements) && !CollectionUtils.isEmpty(values)){
+            try {
+                iotSession().insertAlignedRecord(deviceId,time,measurements,values);
+            } catch (IoTDBConnectionException e) {
+                throw new RuntimeException(e);
+            } catch (StatementExecutionException e) {
+                throw new RuntimeException(e);
+            }
+        }
+    }
+
+    /**
+     * 查询操作
+     * @param sql
+     * @return
+     */
+    public List<HashMap<String,Object>> executeQuery(String sql){
+        logger.info("sql:{}",sql);
+        List<HashMap<String,Object>> list = new ArrayList<>();
+
+        try {
+            SessionDataSet sessionDataSet = iotSession().executeQueryStatement(sql);
+            int fetchSize = sessionDataSet.getFetchSize();
+            List<String> columnNames = sessionDataSet.getColumnNames();
+            logger.info("columnNames:{}",columnNames);
+            List<String> columnTypes = sessionDataSet.getColumnTypes();
+            logger.info("columnTypes:{}",columnTypes);
+            if (fetchSize > 0){
+                while (sessionDataSet.hasNext()){
+                    HashMap<String, Object> map = new HashMap<>();
+                    RowRecord next = sessionDataSet.next();
+                    List<Field> fields = next.getFields();
+                    for (int i = 0; i < fields.size(); i++) {
+                        Field field = fields.get(i);
+                        String key = field.getStringValue();
+                        Object value = field.getObjectValue(field.getDataType());
+                        map.put(key,value);
+                    }
+                    list.add(map);
+                }
+
+                sessionDataSet.closeOperationHandle();
+            }
+        } catch (StatementExecutionException e) {
+            throw new RuntimeException(e);
+        } catch (IoTDBConnectionException e) {
+            throw new RuntimeException(e);
+        }
+
+        return list;
+    }
+
 
 
 

cloud-modules/cloud-modules-carData/src/main/java/com/muyu/carData/consumer/CarOffConsumer.java

@@ -0,0 +1,34 @@
+package com.muyu.carData.consumer;
+
+import com.muyu.carData.util.CacheUtil;
+import lombok.extern.log4j.Log4j2;
+import org.springframework.amqp.rabbit.annotation.Exchange;
+import org.springframework.amqp.rabbit.annotation.Queue;
+import org.springframework.amqp.rabbit.annotation.QueueBinding;
+import org.springframework.amqp.rabbit.annotation.RabbitListener;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+/** 车辆下线消费者
+ * @Author：张腾
+ * @Package：com.muyu.carData.consumer
+ * @Project：cloud-server-8
+ * @name：CarOffConsumer
+ * @Date：2024/10/4 14:30
+ */
+@Log4j2
+@Component
+public class CarOffConsumer {
+
+    @Autowired
+    private CacheUtil cacheUtil;
+
+        @RabbitListener(bindings = @QueueBinding(
+                value = @Queue(value = "CAR_OFFLINE",durable = "true"),
+                exchange = @Exchange(value = "CAR_OFF_EXCHANGE",type = "fanout")
+        ))
+        public void inline(String vin){
+            log.info("车辆vin:{},车辆下线成功!开始消费...");
+            cacheUtil.remove(vin);
+        }
+}

cloud-modules/cloud-modules-carData/src/main/java/com/muyu/carData/consumer/CarOnlineConsumer.java

@@ -0,0 +1,33 @@
+package com.muyu.carData.consumer;
+
+import com.muyu.carData.util.CacheUtil;
+import lombok.extern.log4j.Log4j2;
+import org.springframework.amqp.rabbit.annotation.Exchange;
+import org.springframework.amqp.rabbit.annotation.Queue;
+import org.springframework.amqp.rabbit.annotation.QueueBinding;
+import org.springframework.amqp.rabbit.annotation.RabbitListener;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+/**车辆上线消费者
+ * @Author：张腾
+ * @Package：com.muyu.carData.consumer
+ * @Project：cloud-server-8
+ * @name：CarOnlineConsumer
+ * @Date：2024/10/4 14:27
+ */
+@Log4j2
+@Component
+public class CarOnlineConsumer {
+
+    @Autowired
+    private CacheUtil cacheUtil;
+
+    @RabbitListener(bindings = @QueueBinding(
+            value = @Queue(value = "CAR_ONLINE",durable = "true"),
+            exchange = @Exchange(value = "ONLINE_EXCHANGE",type = "fanout")
+    ))
+    public void online(String vin){
+        log.info("车辆vin:{},已上线,开始消费",vin);
+    }
+}

cloud-modules/cloud-modules-carData/src/main/java/com/muyu/carData/consumer/MyKafkaConsumer.java

@@ -1,19 +1,23 @@
 package com.muyu.carData.consumer;
 
-import cn.hutool.core.thread.ThreadUtil;
+import com.alibaba.fastjson.JSONObject;
-import cn.hutool.json.JSONUtil;
+import com.muyu.carData.event.EventPublisher;
-import com.alibaba.nacos.shaded.com.google.common.collect.Lists;
-import com.muyu.carData.pojo.Student;
 import lombok.extern.log4j.Log4j2;
 import org.apache.kafka.clients.consumer.ConsumerRecord;
 import org.apache.kafka.clients.consumer.ConsumerRecords;
 import org.apache.kafka.clients.consumer.KafkaConsumer;
-import org.springframework.beans.factory.InitializingBean;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.ApplicationArguments;
+import org.springframework.boot.ApplicationRunner;
+import org.springframework.context.ApplicationListener;
+import org.springframework.context.event.ContextClosedEvent;
 import org.springframework.stereotype.Component;
 
 import java.time.Duration;
-import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
 
 /**卡夫卡消费者
  * @Author：张腾
@@ -24,33 +28,43 @@ import java.util.Collection;
  */
 @Component
 @Log4j2
-public class MyKafkaConsumer implements InitializingBean {
+public class MyKafkaConsumer implements ApplicationRunner, ApplicationListener<ContextClosedEvent> {
 
     @Autowired
     private KafkaConsumer kafkaConsumer;
 
+    @Autowired
+    private EventPublisher eventPublisher;
+
     private final String topicName = "carJsons";
 
+    private final ExecutorService executorService = Executors.newFixedThreadPool(10);
+
     @Override
-    public void afterPropertiesSet() throws Exception {
+    public void run(ApplicationArguments args) throws Exception {
-        log.info("启动线程开始监听topic:{}",topicName);
+        log.info("开始监听kafka-topic:{}",topicName);
-        Thread thread = new Thread(() -> {
+        List<String> topics = Collections.singletonList(topicName);
-            ThreadUtil.sleep(1000);
-            Collection<String> topics = Lists.newArrayList(topicName);
         kafkaConsumer.subscribe(topics);
+
         while (true){
-                ConsumerRecords<String,String> consumerRecords = kafkaConsumer.poll(Duration.ofMillis(1000));
+            ConsumerRecords<String,String> consumerRecords = kafkaConsumer.poll(Duration.ofMillis(100));
-                for (ConsumerRecord<String, String> consumerRecord : consumerRecords) {
+            consumerRecords.forEach(record ->{
-                    //从consumerRecord中获取消费数据
+                 executorService.submit(() -> handleRecord(record));
-                    String value = consumerRecord.value();
+                 log.info("数据为:{},消费成功!",record);
-                    log.info("从Kafka中消费的原始数据===============>>：{}",value);
-                }
-            }
             });
-        thread.start();
+        }
-
+    }
-        log.info("启动线程结束监听topic:{}",topicName);
 
+    private void handleRecord(ConsumerRecord<String,String> record) {
+        String value = record.value();
+        JSONObject jsonObject = JSONObject.parseObject(value);
+        eventPublisher.publishEvent(jsonObject);
+    }
 
+    @Override
+    public void onApplicationEvent(ContextClosedEvent event) {
+         log.info("关闭kafka和线程");
+         kafkaConsumer.close();
+         executorService.shutdown();
     }
 }

cloud-modules/cloud-modules-carData/src/main/java/com/muyu/carData/controller/CacheController.java

@@ -1,3 +1,4 @@
+/*
 package com.muyu.carData.controller;
 
 import com.github.benmanes.caffeine.cache.Cache;
@@ -8,13 +9,15 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+*/
 /**
  * @Author：张腾
  * @Package：com.muyu.carData.controller
  * @Project：cloud-server-8
  * @name：TestController
  * @Date：2024/9/26 23:56
- */
+ *//*
+
 @RestController
 @RequestMapping("/testCache")
 @Log4j2
@@ -42,3 +45,4 @@ public class CacheController {
     }
 
 }
+*/

cloud-modules/cloud-modules-carData/src/main/java/com/muyu/carData/controller/KafkaProducerController.java

@@ -1,3 +1,4 @@
+/*
 package com.muyu.carData.controller;
 
 import com.alibaba.fastjson.JSONObject;
@@ -9,13 +10,15 @@ import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+*/
 /**
  * @Author：张腾
  * @Package：com.muyu.carData.testcontroller
  * @Project：cloud-server-8
  * @name：KafkaProducerController
  * @Date：2024/9/28 15:10
- */
+ *//*
+
 @RestController
 @RequestMapping("/produce")
 @Log4j2
@@ -43,3 +46,4 @@ public class KafkaProducerController {
 
 
 }
+*/

cloud-modules/cloud-modules-carData/src/main/java/com/muyu/carData/event/EsSaveEvent.java

@@ -15,8 +15,12 @@ public class EsSaveEvent extends ApplicationEvent {
     private JSONObject data;
 
 
-    public EsSaveEvent(JSONObject source) {
+    public EsSaveEvent(Object source,JSONObject data) {
         super(source);
-        this.data = source;
+        this.data = data;
+    }
+
+    public  JSONObject getData(){
+        return data;
     }
 }

cloud-modules/cloud-modules-carData/src/main/java/com/muyu/carData/event/EventListener.java

@@ -0,0 +1,15 @@
+package com.muyu.carData.event;
+
+import org.springframework.context.ApplicationListener;
+
+/** 事件监听接口
+ * @Author：张腾
+ * @Package：com.muyu.carData.event
+ * @Project：cloud-server-8
+ * @name：EventListener
+ * @Date：2024/10/4 10:39
+ */
+public interface EventListener extends ApplicationListener<EsSaveEvent> {
+
+    void onEvent(EsSaveEvent event);
+}

cloud-modules/cloud-modules-carData/src/main/java/com/muyu/carData/event/EventPublisher.java

@@ -0,0 +1,28 @@
+package com.muyu.carData.event;
+
+import com.alibaba.fastjson.JSONObject;
+import org.springframework.context.ApplicationEventPublisher;
+import org.springframework.context.ApplicationEventPublisherAware;
+import org.springframework.stereotype.Component;
+
+/** 策略发送事件
+ * @Author：张腾
+ * @Package：com.muyu.carData.event
+ * @Project：cloud-server-8
+ * @name：EventPublisher
+ * @Date：2024/10/4 10:40
+ */
+@Component
+public class EventPublisher implements ApplicationEventPublisherAware {
+
+    private ApplicationEventPublisher publisher;
+    @Override
+    public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
+        this.publisher = applicationEventPublisher;
+    }
+
+    public void publishEvent(JSONObject message){
+        EsSaveEvent esSaveEvent = new EsSaveEvent(this, message);
+        publisher.publishEvent(esSaveEvent);
+    }
+}

cloud-modules/cloud-modules-carData/src/main/java/com/muyu/carData/listener/CustomEventListener.java

@@ -1,22 +0,0 @@
-package com.muyu.carData.listener;
-
-import com.muyu.carData.event.EsSaveEvent;
-import org.springframework.context.event.EventListener;
-import org.springframework.stereotype.Component;
-
-/**
- * @Author：张腾
- * @Package：com.muyu.carData.listener
- * @Project：cloud-server-8
- * @name：CustomEventListener
- * @Date：2024/9/29 23:49
- */
-@Component
-public class CustomEventListener {
-
-    @EventListener
-    public void handMyEvent(EsSaveEvent event){
-        //处理事件详情
-
-    }
-}

cloud-modules/cloud-modules-carData/src/main/java/com/muyu/carData/listener/InsertIotDBListener.java

@@ -0,0 +1,45 @@
+package com.muyu.carData.listener;
+
+import com.alibaba.fastjson.JSONObject;
+import com.muyu.carData.config.lotdbconfig.IotDBSessionConfig;
+import com.muyu.carData.event.EsSaveEvent;
+import com.muyu.carData.event.EventListener;
+import lombok.extern.log4j.Log4j2;
+import org.springframework.stereotype.Component;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/** 数据持久化事件
+ * @Author：张腾
+ * @Package：com.muyu.carData.listener
+ * @Project：cloud-server-8
+ * @name：InsertIotDBListener
+ * @Date：2024/10/6 9:25
+ */
+@Log4j2
+@Component
+public class InsertIotDBListener implements EventListener {
+    @Override
+    public void onEvent(EsSaveEvent event) {
+        JSONObject jsonObject = event.getData();
+        log.info("持久化:监听到数据：{}", jsonObject);
+        List<String> keys = new ArrayList<>();
+        List<String> values = new ArrayList<>();
+
+        jsonObject.forEach((key,value) -> {
+            keys.add(key);
+            values.add((String) value);
+        });
+
+        IotDBSessionConfig iotDBSessionConfig = new IotDBSessionConfig();
+        long time = System.currentTimeMillis();
+        iotDBSessionConfig.execute("root.vehicle",time,keys,values);
+        log.info("数据写入成功");
+    }
+
+    @Override
+    public void onApplicationEvent(EsSaveEvent event) {
+        onEvent(event);
+    }
+}

cloud-modules/cloud-modules-carData/src/main/java/com/muyu/carData/listener/MyListener.java

@@ -1,20 +0,0 @@
-package com.muyu.carData.listener;
-
-import com.muyu.carData.event.EsSaveEvent;
-import lombok.extern.log4j.Log4j2;
-import org.springframework.context.ApplicationListener;
-
-/**自定义监听器
- * @Author：张腾
- * @Package：com.muyu.carData.listener
- * @Project：cloud-server-8
- * @name：MyListener
- * @Date：2024/9/29 21:18
- */
-@Log4j2
-public class MyListener implements ApplicationListener<EsSaveEvent> {
-    @Override
-    public void onApplicationEvent(EsSaveEvent event) {
-       log.info("监听到自定义事件........");
-    }
-}

cloud-modules/cloud-modules-carData/src/main/java/com/muyu/carData/pojo/Student.java

@@ -1,41 +0,0 @@
-package com.muyu.carData.pojo;
-
-import com.muyu.carData.config.cacheconfig.ExpiryTime;
-import lombok.*;
-import lombok.experimental.SuperBuilder;
-
-/**
- * @Author：张腾
- * @Package：com.muyu.carData.pojo
- * @Project：cloud-server-8
- * @name：Student
- * @Date：2024/9/27 0:40
- */
-
-@Data
-@SuperBuilder
-@NoArgsConstructor
-@AllArgsConstructor
-@EqualsAndHashCode(callSuper = true)
-public class Student extends ExpiryTime{
-
-    /**
-     * 主键
-     */
-    private Integer id;
-
-    /**
-     * 姓名
-     */
-    private String name;
-
-    /**
-     * 性别
-     */
-    private String sex;
-
-    /**
-     * 插入时间
-     */
-    private long time = System.currentTimeMillis();
-}

cloud-modules/cloud-modules-carData/src/main/java/com/muyu/carData/pulisher/CustomEventPublisher.java

@@ -1,29 +0,0 @@
-package com.muyu.carData.pulisher;
-
-import com.alibaba.fastjson.JSONObject;
-import com.muyu.carData.event.EsSaveEvent;
-import lombok.AllArgsConstructor;
-import lombok.extern.log4j.Log4j2;
-import org.springframework.context.ApplicationEventPublisher;
-import org.springframework.stereotype.Component;
-
-/**事件发布测试
- * @Author：张腾
- * @Package：com.muyu.carData.pulisher
- * @Project：cloud-server-8
- * @name：CustomEventPublisher
- * @Date：2024/9/29 23:51
- */
-@Log4j2
-@Component
-@AllArgsConstructor
-public class CustomEventPublisher {
-
-    private ApplicationEventPublisher applicationEventPublisher;
-
-    public void publish(JSONObject data){
-        EsSaveEvent esSaveEvent = new EsSaveEvent(data);
-        applicationEventPublisher.publishEvent(esSaveEvent);
-        log.info("事件发布成功 - 消息是:{}",data);
-    }
-}

cloud-modules/cloud-modules-carData/src/main/java/com/muyu/carData/util/CacheUtil.java

@@ -0,0 +1,37 @@
+package com.muyu.carData.util;
+
+
+import com.github.benmanes.caffeine.cache.Cache;
+import com.github.benmanes.caffeine.cache.Caffeine;
+import org.springframework.stereotype.Component;
+
+/** 缓存工具类
+ * @Author：张腾
+ * @Package：com.muyu.carData.util
+ * @Project：cloud-server-8
+ * @name：CacheUtil
+ * @Date：2024/10/4 10:42
+ */
+@Component
+public class CacheUtil<T> {
+
+    private final Cache<String,T> cache;
+
+    public CacheUtil() {
+        this.cache = Caffeine.newBuilder()
+                .maximumSize(500L)
+                .build();
+    }
+
+    public T get(String key) {
+        return (T)cache.getIfPresent(key);
+    }
+
+    public void put(String key, T value) {
+        cache.put(key, value);
+    }
+
+    public void remove(String key) {
+        cache.invalidate(key);
+    }
+}

cloud-modules/cloud-modules-protocolparsing/src/main/java/com/muyu/mqtt/Demo.java

@@ -1,104 +0,0 @@
-package com.muyu.server.mqtt;
-
-import com.alibaba.fastjson.JSONObject;
-
-import com.muyu.domain.CarMessage;
-import com.muyu.server.service.CarMessageService;
-import jakarta.annotation.PostConstruct;
-import org.apache.kafka.clients.producer.KafkaProducer;
-import org.apache.kafka.clients.producer.ProducerRecord;
-import org.eclipse.paho.client.mqttv3.*;
-import org.springframework.stereotype.Component;
-
-import javax.annotation.Resource;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.concurrent.CompletableFuture;
-
-
-@Component
-public class Demo {
-    @Resource
-    private CarMessageService service;
-    @Resource
-    private KafkaProducer<String, String> kafkaProducer;
-    @PostConstruct
-    public void  test() {
-
-        String topic        = "vehicle";
-        String content      = "Message from MqttPublishSample";
-        int qos             = 2;
-        String broker       = "tcp://106.15.136.7:1883";
-        String clientId     = "JavaSample";
-
-        try {
-            // 第三个参数为空，默认持久化策略
-            MqttClient sampleClient = new MqttClient(broker, clientId);
-            MqttConnectOptions connOpts = new MqttConnectOptions();
-            connOpts.setCleanSession(true);
-            System.out.println("Connecting to broker: "+broker);
-            sampleClient.connect(connOpts);
-            sampleClient.subscribe(topic,0);
-            sampleClient.setCallback(new MqttCallback() {
-                // 连接丢失
-                @Override
-                public void connectionLost(Throwable throwable) {
-
-                }
-                // 连接成功
-                @Override
-                public void messageArrived(String s, MqttMessage mqttMessage) throws Exception {
-
-                    List<CarMessage> list= service.selectCarMessageList(1,2);
-                    String str = new String( mqttMessage.getPayload() );
-                    System.out.println(str);
-                    String[] test = str.split(" ");
-                    String[] results = new String[list.size()];
-                    List<CompletableFuture<String>> futures = new ArrayList<>();
-                    for (CarMessage carmsg : list) {
-                        futures.add(CompletableFuture.supplyAsync(() -> {
-                            int startIndex = Integer.parseInt(String.valueOf(carmsg.getCarMessageStartIndex())) - 1;
-                            int endIndex = Integer.parseInt(String.valueOf(carmsg.getCarMessageEndIndex()));
-                            StringBuilder hexBuilder = new StringBuilder();
-                            for (int j = startIndex; j < endIndex; j++) {
-                                hexBuilder.append(test[j]);
-                            }
-                            // 创建16进制的对象
-                            String hex = hexBuilder.toString();
-                            // 转橙字符数组
-                            char[] result = new char[hex.length() / 2];
-                            for (int x = 0; x < hex.length(); x += 2) {
-                                // 先转十进制
-                                int high = Character.digit(hex.charAt(x), 16);
-                                // 转二进制
-                                int low = Character.digit(hex.charAt(x + 1), 16);
-                                // 转字符
-                                result[x / 2] = (char) ((high << 4) + low);
-                            }
-                            return new String(result);
-                        }));
-                    }
-                    for (int i = 0; i < futures.size(); i++) {
-                        results[i] = futures.get(i).get();
-                    }
-                    String jsonString = JSONObject.toJSONString( results );
-                    ProducerRecord<String, String> producerRecord = new ProducerRecord<>( "carJsons", jsonString);
-                    kafkaProducer.send(producerRecord);
-                }
-                // 接收信息
-                @Override
-                public void deliveryComplete(IMqttDeliveryToken iMqttDeliveryToken) {
-
-                }
-            });
-        } catch(MqttException me) {
-            System.out.println("reason "+me.getReasonCode());
-            System.out.println("msg "+me.getMessage());
-            System.out.println("loc "+me.getLocalizedMessage());
-            System.out.println("cause "+me.getCause());
-            System.out.println("excep "+me);
-            me.printStackTrace();
-        }
-    }
-
-}

cloud-modules/cloud-modules-protocolparsing/src/main/java/com/muyu/mqtt/MqttTest.java

@@ -1,7 +1,6 @@
 package com.muyu.mqtt;
 
 import com.alibaba.fastjson2.JSONObject;
-import com.muyu.common.kafka.constants.KafkaConstants;
 
 import com.muyu.domain.CarMessage;
 import com.muyu.domain.KafKaData;
@@ -90,7 +89,7 @@ public class MqttTest {
                                 .build());
                     }
                     String jsonString = JSONObject.toJSONString(kafKaDataList);
-                    ProducerRecord<String, String> producerRecord = new ProducerRecord<>(KafkaConstants.KafkaTopic, jsonString);
+                    ProducerRecord<String, String> producerRecord = new ProducerRecord<>("carJsons", jsonString);
                     kafkaProducer.send(producerRecord);
                     log.info("kafka投产：{}", jsonString);
 //                    HashMap<String, String> stringStringHashMap = new HashMap<>();