public class JrubyEvalFunc extends EvalFunc<Object>
EvalFunc.SchemaTypelog, pigLogger, reporter, returnType| Constructor and Description |
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JrubyEvalFunc(String filename,
String functionName)
The constructor for this class registers the filename of the Ruby script
and the name of the method we care about.
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| Modifier and Type | Method and Description |
|---|---|
Object |
exec(Tuple tuple)
The exec method passes the tuple argument to the Ruby function, and converts the result back to Pig.
|
Schema |
outputSchema(Schema input)
This method uses the schema method of the function encapsulation object to get the Schema information for
the Ruby method.
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allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLoadCaster, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, needEndOfAllInputProcessing, progress, setEndOfAllInput, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warnpublic JrubyEvalFunc(String filename, String functionName) throws IOException
IOExceptionpublic Object exec(Tuple tuple) throws IOException
exec in class EvalFunc<Object>tuple - the Tuple to be processed.IOExceptionpublic Schema outputSchema(Schema input)
outputSchema in class EvalFunc<Object>input - Schema of the inputCopyright © 2007-2017 The Apache Software Foundation