package com.java110.comment.kafka;
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import com.alibaba.fastjson.JSONObject;
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import com.java110.comment.smo.ICommentServiceSMO;
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import com.java110.utils.constant.KafkaConstant;
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import com.java110.utils.constant.ResponseConstant;
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import com.java110.utils.constant.StatusConstant;
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import com.java110.utils.exception.InitConfigDataException;
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import com.java110.utils.exception.InitDataFlowContextException;
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import com.java110.utils.kafka.KafkaFactory;
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import com.java110.core.base.controller.BaseController;
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import com.java110.core.context.BusinessServiceDataFlow;
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import com.java110.core.factory.DataTransactionFactory;
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import org.apache.kafka.clients.consumer.ConsumerRecord;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.kafka.annotation.KafkaListener;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* kafka侦听
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* Created by wuxw on 2018/4/15.
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*/
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public class CommentServiceKafka extends BaseController {
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protected final static Logger logger = LoggerFactory.getLogger(CommentServiceKafka.class);
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@Autowired
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private ICommentServiceSMO commentServiceSMOImpl;
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@KafkaListener(topics = {"commentServiceTopic"})
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public void listen(ConsumerRecord<?, ?> record) {
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logger.info("kafka的key: " + record.key());
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logger.info("kafka的value: " + record.value().toString());
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String orderInfo = record.value().toString();
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BusinessServiceDataFlow businessServiceDataFlow = null;
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JSONObject responseJson = null;
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try {
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Map<String, String> headers = new HashMap<String, String>();
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//预校验
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preValiateOrderInfo(orderInfo);
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businessServiceDataFlow = this.writeDataToDataFlowContext(orderInfo, headers);
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responseJson = commentServiceSMOImpl.service(businessServiceDataFlow);
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}catch (InitDataFlowContextException e){
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logger.error("请求报文错误,初始化 BusinessServiceDataFlow失败"+orderInfo,e);
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responseJson = DataTransactionFactory.createNoBusinessTypeBusinessResponseJson(orderInfo,ResponseConstant.RESULT_PARAM_ERROR,e.getMessage(),null);
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}catch (InitConfigDataException e){
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logger.error("请求报文错误,加载配置信息失败"+orderInfo,e);
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responseJson = DataTransactionFactory.createNoBusinessTypeBusinessResponseJson(orderInfo,ResponseConstant.RESULT_PARAM_ERROR,e.getMessage(),null);
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}catch (Exception e){
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logger.error("请求订单异常",e);
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responseJson = DataTransactionFactory.createBusinessResponseJson(businessServiceDataFlow,ResponseConstant.RESULT_CODE_ERROR,e.getMessage()+e,
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null);
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}finally {
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logger.debug("当前请求报文：" + orderInfo +", 当前返回报文：" +responseJson.toJSONString());
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//只有business 和 instance 过程才做通知消息
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if(!StatusConstant.REQUEST_BUSINESS_TYPE_BUSINESS.equals(responseJson.getString("businessType"))
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&& !StatusConstant.REQUEST_BUSINESS_TYPE_INSTANCE.equals(responseJson.getString("businessType"))){
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return ;
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}
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try {
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KafkaFactory.sendKafkaMessage(KafkaConstant.TOPIC_NOTIFY_CENTER_SERVICE_NAME, "", responseJson.toJSONString());
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}catch (Exception e){
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logger.error("用户服务通知centerService失败"+responseJson,e);
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//这里保存异常信息
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}
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}
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}
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/**
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* 这里预校验，请求报文中不能有 dataFlowId
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* @param orderInfo
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*/
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private void preValiateOrderInfo(String orderInfo) {
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/* if(JSONObject.parseObject(orderInfo).getJSONObject("orders").containsKey("dataFlowId")){
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throw new BusinessException(ResponseConstant.RESULT_CODE_ERROR,"报文中不能存在dataFlowId节点");
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}*/
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}
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public ICommentServiceSMO getCommentServiceSMOImpl() {
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return commentServiceSMOImpl;
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}
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public void setCommentServiceSMOImpl(ICommentServiceSMO commentServiceSMOImpl) {
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this.commentServiceSMOImpl = commentServiceSMOImpl;
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}
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}
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