org.apache.hadoop.hive.ql.udf
Class UDAFAvg.UDAFAvgEvaluator

java.lang.Object
  extended by org.apache.hadoop.hive.ql.udf.UDAFAvg.UDAFAvgEvaluator
All Implemented Interfaces:
UDAFEvaluator
Enclosing class:
UDAFAvg

public static class UDAFAvg.UDAFAvgEvaluator
extends Object
implements UDAFEvaluator


Constructor Summary
UDAFAvg.UDAFAvgEvaluator()
           
 
Method Summary
 void init()
          Initializer.
 boolean iterate(DoubleWritable o)
           
 boolean merge(org.apache.hadoop.io.Text o)
           
 DoubleWritable terminate()
           
 org.apache.hadoop.io.Text terminatePartial()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

UDAFAvg.UDAFAvgEvaluator

public UDAFAvg.UDAFAvgEvaluator()
Method Detail

init

public void init()
Description copied from interface: UDAFEvaluator
Initializer. Initializes the state for the evaluator.

Specified by:
init in interface UDAFEvaluator

iterate

public boolean iterate(DoubleWritable o)

terminatePartial

public org.apache.hadoop.io.Text terminatePartial()

merge

public boolean merge(org.apache.hadoop.io.Text o)

terminate

public DoubleWritable terminate()


Copyright © 2009 The Apache Software Foundation