org.apache.pig.builtin
Class LongAvg.Intermediate

java.lang.Object
  org.apache.pig.EvalFunc<Tuple>
      org.apache.pig.builtin.LongAvg.Intermediate

Enclosing class:

LongAvg

public static class LongAvg.Intermediate
extends EvalFunc<Tuple>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.pig.EvalFunc

EvalFunc.SchemaType

Field Summary

Fields inherited from class org.apache.pig.EvalFunc

log, pigLogger, reporter, returnType

Constructor Summary

LongAvg.Intermediate()

Method Summary

Tuple

exec(Tuple input) This callback method must be implemented by all subclasses.

Methods inherited from class org.apache.pig.EvalFunc

finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, isAsynchronous, outputSchema, progress, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn

Methods inherited from class java.lang.Object

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

Constructor Detail

LongAvg.Intermediate

public LongAvg.Intermediate()

Method Detail

exec

public Tuple exec(Tuple input)
           throws IOException

Description copied from class: EvalFunc

This callback method must be implemented by all subclasses. This is the method that will be invoked on every Tuple of a given dataset. Since the dataset may be divided up in a variety of ways the programmer should not make assumptions about state that is maintained between invocations of this method.

Specified by:

exec in class EvalFunc<Tuple>

Parameters:

input - the Tuple to be processed.

Returns:

result, of type T.

Throws:

IOException