public class SearchTermExtractor extends EvalFunc<String>
EvalFunc.SchemaTypelog, pigLogger, reporter, returnType| Constructor and Description |
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SearchTermExtractor() |
| Modifier and Type | Method and Description |
|---|---|
String |
exec(Tuple input)
This callback method must be implemented by all subclasses.
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List<FuncSpec> |
getArgToFuncMapping()
Allow a UDF to specify type specific implementations of itself.
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allowCompileTimeCalculation, finish, getCacheFiles, getInputSchema, getLoadCaster, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, needEndOfAllInputProcessing, outputSchema, progress, setEndOfAllInput, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warnpublic String exec(Tuple input) throws IOException
EvalFuncexec in class EvalFunc<String>input - the Tuple to be processed.IOExceptionpublic List<FuncSpec> getArgToFuncMapping() throws FrontendException
EvalFuncgetArgToFuncMapping in class EvalFunc<String>FrontendExceptionCopyright © 2007-2017 The Apache Software Foundation