public static final class ExtremalTupleByNthField.HelperClass extends EvalFunc<Tuple>
EvalFunc.SchemaTypelog, pigLogger, reporter, returnType| Constructor and Description |
|---|
HelperClass() |
HelperClass(String fieldIndexString) |
HelperClass(String fieldIndexString,
String order) |
| Modifier and Type | Method and Description |
|---|---|
Tuple |
exec(Tuple input)
This callback method must be implemented by all subclasses.
|
allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLoadCaster, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, needEndOfAllInputProcessing, outputSchema, progress, setEndOfAllInput, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warnpublic HelperClass()
throws ExecException
ExecExceptionpublic HelperClass(String fieldIndexString) throws ExecException
ExecExceptionpublic HelperClass(String fieldIndexString, String order) throws ExecException
ExecExceptionpublic Tuple exec(Tuple input) throws IOException
EvalFuncexec in class EvalFunc<Tuple>input - the Tuple to be processed.IOExceptionCopyright © 2007-2017 The Apache Software Foundation