控制项目变动的消费频率 最小间隔 为30s

epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/mq/ProjectChangedCustomListener.java

@@ -2,6 +2,7 @@ package com.epmet.mq;
 
 import com.alibaba.fastjson.JSON;
 import com.epmet.commons.rocketmq.messages.ProjectChangedMQMsg;
+import com.epmet.commons.tools.constant.NumConstant;
 import com.epmet.commons.tools.distributedlock.DistributedLock;
 import com.epmet.commons.tools.exception.RenException;
 import com.epmet.commons.tools.utils.SpringContextUtils;
@@ -9,6 +10,8 @@ import com.epmet.dto.extract.form.ExtractOriginFormDTO;
 import com.epmet.service.evaluationindex.extract.todata.FactOriginExtractService;
 import com.epmet.service.evaluationindex.extract.toscreen.ScreenExtractService;
 import com.epmet.util.DimIdGenerator;
+import com.google.common.cache.Cache;
+import com.google.common.cache.CacheBuilder;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;
@@ -38,13 +41,25 @@ import java.util.stream.Collectors;
 public class ProjectChangedCustomListener implements MessageListenerConcurrently {
 
     private Logger logger = LoggerFactory.getLogger(getClass());
+    /**
+     * 控制通知类型消息的消费频率
+     */
+    private static final Cache<String, String> customerIdCache = CacheBuilder.newBuilder().maximumSize(NumConstant.ONE_HUNDRED)
+            .expireAfterWrite(NumConstant.THIRTY,TimeUnit.SECONDS).build();
 
     @Override
     public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs, ConsumeConcurrentlyContext context) {
         long start = System.currentTimeMillis();
         try {
             List<String> customerIds = msgs.stream().map(messageExt -> new String(messageExt.getBody())).distinct().collect(Collectors.toList());
-            customerIds.forEach(this::consumeMessage);
+            for (String customerId : customerIds) {
+                //获取缓存 如果不存在缓存中 则执行消费 并放入缓存中
+                String ifPresent = customerIdCache.getIfPresent(customerId);
+                if (StringUtils.isBlank(ifPresent)){
+                    consumeMessage(customerId);
+                    customerIdCache.put(customerId,customerId);
+                }
+            }
         } catch (Exception e) {
             //失败不重发
             logger.error("consumeMessage fail,msg:{}",e.getMessage());