45 lines
1.6 KiB
Java
45 lines
1.6 KiB
Java
package com.zdjizhi.etl.connection;
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import cn.hutool.core.convert.Convert;
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import cn.hutool.core.date.DateUtil;
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import cn.hutool.log.Log;
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import cn.hutool.log.LogFactory;
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import org.apache.flink.api.java.tuple.Tuple2;
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import org.apache.flink.streaming.api.functions.windowing.ProcessWindowFunction;
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import org.apache.flink.streaming.api.windowing.windows.TimeWindow;
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import org.apache.flink.util.Collector;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* 对ip去重
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*/
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public class Ip2IpGraphProcessFunction extends ProcessWindowFunction<Map<String, Object>, Map<String, Object>, Tuple2<String, String>, TimeWindow> {
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private static final Log logger = LogFactory.get();
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@Override
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public void process(Tuple2<String, String> keys, Context context, Iterable<Map<String, Object>> elements, Collector<Map<String, Object>> out) {
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try {
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long lastFoundTime = DateUtil.currentSeconds();
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for (Map<String, Object> log : elements) {
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long connStartTimetime = Convert.toLong(log.get("start_time"));
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lastFoundTime = connStartTimetime > lastFoundTime ? connStartTimetime : lastFoundTime;
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}
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Map<String, Object> newLog = new HashMap<>();
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newLog.put("src_ip", keys.f0);
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newLog.put("dst_ip", keys.f1);
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newLog.put("last_found_time", lastFoundTime);
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out.collect(newLog);
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logger.debug("获取中间聚合结果：{}", newLog.toString());
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} catch (Exception e) {
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logger.error("获取中间聚合结果失败,middleResult: {}", e);
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}
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}
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}
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