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package com.zdjizhi.etl.connection;
import cn.hutool.core.convert.Convert;
import cn.hutool.core.date.DateUtil;
import cn.hutool.core.util.HashUtil;
import cn.hutool.log.Log;
import cn.hutool.log.LogFactory;
import com.arangodb.entity.BaseEdgeDocument;
import org.apache.flink.api.java.tuple.Tuple2;
import org.apache.flink.streaming.api.functions.windowing.ProcessWindowFunction;
import org.apache.flink.streaming.api.windowing.windows.TimeWindow;
import org.apache.flink.util.Collector;
import java.util.Map;
/**
* 处理时间，转为图数据
*/
public class Ip2IpGraphProcessFunction extends ProcessWindowFunction<Map<String, Object>, BaseEdgeDocument, Tuple2<String, String>, TimeWindow> {
private static final Log logger = LogFactory.get();
@Override
public void process(Tuple2<String, String> keys, Context context, Iterable<Map<String, Object>> elements, Collector<BaseEdgeDocument> out) {
try {
long lastFoundTime = DateUtil.currentSeconds();
for (Map<String, Object> log : elements) {
long connStartTime = Convert.toLong(log.get("start_time"));
lastFoundTime = Math.max(connStartTime, lastFoundTime);
}
BaseEdgeDocument baseEdgeDocument = new BaseEdgeDocument();
baseEdgeDocument.setKey(String.valueOf(HashUtil.fnvHash(keys.f0 + keys.f1)));
baseEdgeDocument.setFrom("src_ip/" + keys.f0);
baseEdgeDocument.setTo("dst_ip/" + keys.f1);
baseEdgeDocument.addAttribute("src_ip", keys.f0);
baseEdgeDocument.addAttribute("dst_ip", keys.f1);
baseEdgeDocument.addAttribute("last_found_time", lastFoundTime);
out.collect(baseEdgeDocument);
logger.debug("获取中间聚合结果：{}", baseEdgeDocument.toString());
} catch (Exception e) {
logger.error("获取中间聚合结果失败,middleResult: {}", e.getMessage());
}
}
}
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