public static class UDAFExampleMin.MinStringEvaluator extends Object implements UDAFEvaluator
Constructor and Description |
---|
MinStringEvaluator() |
Modifier and Type | Method and Description |
---|---|
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() |
public void init()
UDAFEvaluator
init
in interface UDAFEvaluator
public boolean iterate(org.apache.hadoop.io.Text o)
public org.apache.hadoop.io.Text terminatePartial()
public boolean merge(org.apache.hadoop.io.Text o)
public org.apache.hadoop.io.Text terminate()
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