org.apache.pig.builtin
Class TOKENIZE

java.lang.Object
  extended by org.apache.pig.EvalFunc<DataBag>
      extended by org.apache.pig.builtin.TOKENIZE

public class TOKENIZE
extends EvalFunc<DataBag>


Field Summary
 
Fields inherited from class org.apache.pig.EvalFunc
returnType
 
Constructor Summary
TOKENIZE()
           
 
Method Summary
 void exec(Tuple input, DataBag output)
          This callback method must be implemented by all subclasses.
 Schema outputSchema(Schema input)
           
 
Methods inherited from class org.apache.pig.EvalFunc
finish, getReturnType, isAsynchronous, progress
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

TOKENIZE

public TOKENIZE()
Method Detail

exec

public void exec(Tuple input,
                 DataBag output)
          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<DataBag>
Parameters:
input - the Tuple to be processed.
Throws:
IOException

outputSchema

public Schema outputSchema(Schema input)
Overrides:
outputSchema in class EvalFunc<DataBag>
Parameters:
input - Schema of the input
Returns:
Schema of the output


Copyright © ${year} The Apache Software Foundation