public class AlgebraicInitial
extends org.apache.pig.EvalFunc<org.apache.pig.data.Tuple>
The Initial class simply passes through all records unchanged so that they can be processed by the intermediate processor instead.
Constructor and Description |
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AlgebraicInitial()
Default constructor for the initial pass of an Algebraic function.
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AlgebraicInitial(String lgK)
Constructor for the initial pass of an Algebraic function.
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AlgebraicInitial(String lgK,
String seed)
Constructor for the initial pass of an Algebraic function.
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Modifier and Type | Method and Description |
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org.apache.pig.data.Tuple |
exec(org.apache.pig.data.Tuple inputTuple) |
allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLoadCaster, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, needEndOfAllInputProcessing, outputSchema, progress, setEndOfAllInput, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn
public AlgebraicInitial()
public AlgebraicInitial(String lgK)
lgK
- in a form of a Stringpublic AlgebraicInitial(String lgK, String seed)
lgK
- in a form of a Stringseed
- in a form of a Stringpublic org.apache.pig.data.Tuple exec(org.apache.pig.data.Tuple inputTuple) throws IOException
exec
in class org.apache.pig.EvalFunc<org.apache.pig.data.Tuple>
IOException
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