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Nov 18th, 2017
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  1. package net.abakulin.hadoop.finalproject.hive;
  2.  
  3. import org.apache.hadoop.hive.ql.exec.UDF;
  4.  
  5. public class IpToNum extends UDF {
  6. public Long evaluate(String ip) {
  7. String[] arr = ip.split("\\.");
  8.  
  9. return (Long.valueOf(arr[0]) << 24)
  10. + (Long.valueOf(arr[1]) << 16)
  11. + (Long.valueOf(arr[2]) << 8)
  12. + Long.valueOf(arr[3]);
  13. }
  14. }
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