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

java.lang.Object
  extended by org.apache.pig.EvalFunc<Long>
      extended by 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


Copyright © ${year} The Apache Software Foundation