package com.moral.api.kafka.consumer; import com.alibaba.fastjson.JSON; import com.moral.api.entity.Device; import com.moral.api.entity.Sensor; import com.moral.api.entity.UnitConversion; import com.moral.api.websocket.SingleDeviceServer; import com.moral.util.UnitConvertUtils; import lombok.AllArgsConstructor; import org.apache.kafka.clients.consumer.Consumer; import org.apache.kafka.clients.consumer.ConsumerRecord; import org.apache.kafka.common.TopicPartition; import org.springframework.beans.factory.annotation.Value; import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.kafka.annotation.KafkaListener; import org.springframework.kafka.listener.ConsumerSeekAware; import org.springframework.stereotype.Component; import org.springframework.util.ObjectUtils; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.concurrent.CopyOnWriteArraySet; /** * @ClassName SecondsDataConsumer1 * @Description TODO * @Author 陈凯裕 * @Date 2021/6/15 14:49 * @Version TODO **/ @Component public class SecondDataConsumer implements ConsumerSeekAware { @KafkaListener(containerFactory = "secondDataListenerFactory",topics = "second_data") public void listen(ConsumerRecord record, Consumer consumer) throws Exception { String messageStr = record.value(); Map message = (Map) JSON.parse(messageStr); long serverStartTime = System.currentTimeMillis(); CopyOnWriteArraySet sockets = SingleDeviceServer.sockets; for (SingleDeviceServer socket : sockets) { //判断消息书否数据该socket String messageMac = (String) message.get("mac"); String mac = socket.getMac(); if (!mac.equalsIgnoreCase(messageMac)) continue; //取出基本信息 Map devicesInfo = socket.getDevicesInfo(); Device device = devicesInfo.get(mac); //创建最终消息对象 Map resultMessgae = new HashMap<>(); //拼接单位 List sensors = device.getVersion().getSensors();//获取型号所有因子信息 for (Sensor sensor : sensors) { String code = sensor.getCode(); String showUnit = sensor.getShowUnit(); String showUnitKey = sensor.getShowUnitKey(); String unitKey = sensor.getUnitKey(); String unit = sensor.getUnit(); String sourceData = String.valueOf(message.get(code)); //数据补偿 //单位转换 if (!unitKey.equals(showUnitKey)) {//如果源单位和显示单位不同,则进行单位转换 String formula = sensor.getFormula(); //如果sensor中的公式为空则从缓存中获取公式 if (ObjectUtils.isEmpty(formula)) { List unitConversions = socket.getUnitConversions(); for (UnitConversion unitConversion : unitConversions) { if (unitConversion.getOriginalUnitKey().equals(unitKey) && unitConversion.getTargetUnitKey().equals(showUnitKey)) formula = unitConversion.getFormula(); } } //单位转换 String resultData = UnitConvertUtils.calculate(sourceData, formula); if (resultData != null) { resultData += showUnit; } else {//如果转换出的数据为null,则代表缓存中也没有公式,依然使用源单位。 resultData = sourceData + unit; } resultMessgae.put(sensor.getCode(), resultData); } else { //拼接单位 sourceData = sourceData + " " + showUnit; resultMessgae.put(sensor.getCode(), sourceData); } } resultMessgae.put("DataTime", message.get("DataTime")); resultMessgae.put("time", message.get("time")); resultMessgae.put("time1", message.get("time1")); resultMessgae.put("serverTime", System.currentTimeMillis()); resultMessgae.put("serverStartTime", serverStartTime); socket.sendMessage(JSON.toJSONString(resultMessgae)); } } @Override public void registerSeekCallback(ConsumerSeekCallback consumerSeekCallback) { } //consumer回调函数,设置从最新的offset开始消费 @Override public void onPartitionsAssigned(Map map, ConsumerSeekCallback consumerSeekCallback) { map.forEach((t, o) -> consumerSeekCallback.seekToEnd(t.topic(), t.partition())); } @Override public void onIdleContainer(Map map, ConsumerSeekCallback consumerSeekCallback) { } }