org.apache.hadoop.hive.ql.udf
Class UDAFMin.MinStringEvaluator

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

public static class UDAFMin.MinStringEvaluator
extends Object
implements UDAFEvaluator


Constructor Summary
UDAFMin.MinStringEvaluator()
           
 
Method Summary
 void init()
          Initializer.
 boolean iterate(org.apache.hadoop.io.Text o)
           
 boolean merge(org.apache.hadoop.io.Text o)
           
 org.apache.hadoop.io.Text 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

UDAFMin.MinStringEvaluator

public UDAFMin.MinStringEvaluator()
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(org.apache.hadoop.io.Text o)

terminatePartial

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

merge

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

terminate

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


Copyright © 2009 The Apache Software Foundation