brickhouse.hbase
Class BalancedKeySaltUDF

java.lang.Object
  org.apache.hadoop.hive.ql.exec.UDF
      brickhouse.hbase.BalancedKeySaltUDF

public class BalancedKeySaltUDF
extends org.apache.hadoop.hive.ql.exec.UDF

Generate an HBase Key for a string, which should be evenly balanced across N regions.

Constructor Summary

BalancedKeySaltUDF()

Method Summary

String

evaluate(String keyStr, int numRegions)

Methods inherited from class org.apache.hadoop.hive.ql.exec.UDF

getRequiredFiles, getRequiredJars, getResolver, setResolver

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BalancedKeySaltUDF

public BalancedKeySaltUDF()

Method Detail

evaluate

public String evaluate(String keyStr,
                       int numRegions)