hivemall.xgboost

Class XGBoostBatchPredictUDTF

java.lang.Object

org.apache.hadoop.hive.ql.udf.generic.GenericUDTF

hivemall.UDTFWithOptions

hivemall.xgboost.XGBoostBatchPredictUDTF

public final class XGBoostBatchPredictUDTF
extends UDTFWithOptions

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	XGBoostBatchPredictUDTF.LabeledPointWithRowId

Field Summary

Fields

Modifier and Type	Field and Description
protected Object[]	_forwardObj

Fields inherited from class hivemall.UDTFWithOptions

mapredContext

Constructor Summary

Constructors

Constructor and Description
XGBoostBatchPredictUDTF()

Method Summary

Modifier and Type	Method and Description
void	close()
protected org.apache.commons.cli.Options	getOptions()
protected org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector	getReturnOI(org.apache.hadoop.hive.serde2.objectinspector.PrimitiveObjectInspector rowIdOI) Return (string rowid, array predicted) as a result
org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector	initialize(org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector[] argOIs)
void	process(Object[] args)
protected org.apache.commons.cli.CommandLine	processOptions(org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector[] argOIs)

Methods inherited from class hivemall.UDTFWithOptions

assumeFalse, assumeTrue, checkNotNull, checkNotNull, configure, getReporter, incrCounter, nonNullArgument, parseFeatures, parseOptions, reportProgress, setCounterValue, showHelp

Methods inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDTF

forward, initialize, setCollector

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

_forwardObj

@Nonnull
protected final transient Object[] _forwardObj

Constructor Detail

XGBoostBatchPredictUDTF

public XGBoostBatchPredictUDTF()

Method Detail

getOptions

protected org.apache.commons.cli.Options getOptions()

Specified by:

getOptions in class UDTFWithOptions

processOptions

protected org.apache.commons.cli.CommandLine processOptions(org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector[] argOIs)
                                                     throws UDFArgumentException

Specified by:

processOptions in class UDTFWithOptions

Throws:

UDFArgumentException

initialize

public org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector initialize(@Nonnull
                                                                                      org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector[] argOIs)
                                                                               throws UDFArgumentException

Overrides:

initialize in class org.apache.hadoop.hive.ql.udf.generic.GenericUDTF

Throws:

UDFArgumentException

getReturnOI

@Nonnull
protected org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector getReturnOI(@Nonnull
                                                                                                   org.apache.hadoop.hive.serde2.objectinspector.PrimitiveObjectInspector rowIdOI)

Return (string rowid, array predicted) as a result

process

public void process(Object[] args)
             throws org.apache.hadoop.hive.ql.metadata.HiveException

Specified by:

process in class org.apache.hadoop.hive.ql.udf.generic.GenericUDTF

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException

close

public void close()
           throws org.apache.hadoop.hive.ql.metadata.HiveException

Specified by:

close in class org.apache.hadoop.hive.ql.udf.generic.GenericUDTF

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException