org.apache.pig.piggybank.evaluation.math
Class DoubleRound

java.lang.Object
  org.apache.pig.EvalFunc<Long>
      org.apache.pig.piggybank.evaluation.math.DoubleRound

Deprecated. Use DoubleRound

@Deprecated
public class DoubleRound
extends EvalFunc<Long>

Field Summary

Fields inherited from class org.apache.pig.EvalFunc

log, pigLogger, reporter, returnType

Constructor Summary

DoubleRound()
Deprecated.

Method Summary

Long	exec(Tuple input) Deprecated. java level API
Schema	outputSchema(Schema input) Deprecated. Report the schema of the output of this UDF.

Methods inherited from class org.apache.pig.EvalFunc

finish, getArgToFuncMapping, getCacheFiles, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, isAsynchronous, progress, setPigLogger, setReporter, warn

Methods inherited from class java.lang.Object

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

Constructor Detail

DoubleRound

public DoubleRound()

Deprecated.

Method Detail

exec

public Long exec(Tuple input)
          throws IOException

Deprecated.

java level API

Specified by:

exec in class EvalFunc<Long>

Parameters:

input - expects a single numeric value

output - returns a single numeric value, the closest long to the argument

Returns:

result, of type T.

Throws:

IOException

outputSchema

public Schema outputSchema(Schema input)

Deprecated.

Description copied from class: EvalFunc

Report the schema of the output of this UDF. Pig will make use of this in error checking, optimization, and planning. The schema of input data to this UDF is provided.

Overrides:

outputSchema in class EvalFunc<Long>

Parameters:

input - Schema of the input

Returns:

Schema of the output