EvalFunc.SchemaTypelog, pigLogger, reporter, returnType| Constructor and Description |
|---|
InvokerGenerator(String className,
String methodName,
String argumentTypes) |
| Modifier and Type | Method and Description |
|---|---|
Object |
exec(Tuple input)
This callback method must be implemented by all subclasses.
|
protected void |
initialize() |
Schema |
outputSchema(Schema input)
Report the schema of the output of this UDF.
|
allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLoadCaster, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, needEndOfAllInputProcessing, progress, setEndOfAllInput, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warnpublic Object exec(Tuple input) throws IOException
EvalFuncexec in class EvalFunc<Object>input - the Tuple to be processed.IOExceptionpublic Schema outputSchema(Schema input)
EvalFunc
The default implementation interprets the OutputSchema annotation,
if one is present. Otherwise, it returns null (no known output schema).
outputSchema in class EvalFunc<Object>input - Schema of the inputprotected void initialize()
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