public static class UDAFExampleMin.MinDoubleEvaluator extends Object implements UDAFEvaluator
Constructor and Description |
---|
MinDoubleEvaluator() |
Modifier and Type | Method and Description |
---|---|
void |
init()
Initializer.
|
boolean |
iterate(DoubleWritable o) |
boolean |
merge(DoubleWritable o) |
DoubleWritable |
terminate() |
DoubleWritable |
terminatePartial() |
public void init()
UDAFEvaluator
init
in interface UDAFEvaluator
public boolean iterate(DoubleWritable o)
public DoubleWritable terminatePartial()
public boolean merge(DoubleWritable o)
public DoubleWritable terminate()
Copyright © 2016 The Apache Software Foundation. All rights reserved.