package com.zhitan.handler;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.zhitan.model.entity.DeviceData;
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import com.zhitan.model.entity.ElectricPower;
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import com.zhitan.model.entity.PowerEntity;
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import com.zhitan.service.IDataService;
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import com.zhitan.util.PowerDataMapper;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.integration.mqtt.support.MqttHeaders;
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import org.springframework.messaging.Message;
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import org.springframework.messaging.MessageHandler;
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import org.springframework.messaging.MessagingException;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* mqtt 消息处理类
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*/
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@Slf4j
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public class MqttMessageHandler implements MessageHandler {
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private final IDataService dataService;
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public MqttMessageHandler(IDataService dataService) {
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this.dataService = dataService;
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}
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@Override
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public void handleMessage(Message<?> message) throws MessagingException {
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String topic = (String) message.getHeaders().get(MqttHeaders.RECEIVED_TOPIC);
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String payload = (String) message.getPayload();
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System.out.println("Received message from topic " + topic + ": " + payload);
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// dataService.writeTimeSeriesData(payload);
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//
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ObjectMapper objectMapper = new ObjectMapper();
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try {
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// 将 JSON 字符串转换为 SensorData 对象
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//ElectricPower electricPower = objectMapper.readValue(payload, ElectricPower.class);
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DeviceData data = objectMapper.readValue(payload, DeviceData.class);
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List<PowerEntity> powerMeters = PowerDataMapper.mapToEntities(data);
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for (PowerEntity powerMeter : powerMeters) {
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dataService.writeTimeSeriesData(powerMeter);
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}
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// dataService.writeTimeSeriesData(electricPower)
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} catch (Exception e) {
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log.error(e.getMessage());
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}
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}
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}
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