Package org.apache.iotdb.commons.udf.builtin

Class UDTFTopK

java.lang.Object

org.apache.iotdb.commons.udf.builtin.UDTFSelectK

org.apache.iotdb.commons.udf.builtin.UDTFTopK

All Implemented Interfaces:

org.apache.iotdb.udf.api.UDF, org.apache.iotdb.udf.api.UDTF

public class UDTFTopK
extends UDTFSelectK

Field Summary

Fields inherited from class org.apache.iotdb.commons.udf.builtin.UDTFSelectK

dataType, doublePQ, floatPQ, intPQ, k, longPQ, stringPQ

Constructor Summary

Constructors

Constructor	Description
UDTFTopK()

Method Summary

Modifier and Type	Method	Description
protected void	constructPQ()
protected void	transformDouble(long time, double value)
protected void	transformFloat(long time, float value)
protected void	transformInt(long time, int value)
protected void	transformLong(long time, long value)
protected void	transformString(long time, java.lang.String value)

Methods inherited from class org.apache.iotdb.commons.udf.builtin.UDTFSelectK

beforeStart, terminate, transform, validate

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.iotdb.udf.api.UDF

beforeDestroy

Methods inherited from interface org.apache.iotdb.udf.api.UDTF

transform, transform

Constructor Detail

UDTFTopK

public UDTFTopK()

Method Detail

constructPQ

protected void constructPQ()
                    throws org.apache.iotdb.udf.api.exception.UDFInputSeriesDataTypeNotValidException

Specified by:

constructPQ in class UDTFSelectK

Throws:

org.apache.iotdb.udf.api.exception.UDFInputSeriesDataTypeNotValidException

transformInt

protected void transformInt(long time,
                            int value)

Specified by:

transformInt in class UDTFSelectK

transformLong

protected void transformLong(long time,
                             long value)

Specified by:

transformLong in class UDTFSelectK

transformFloat

protected void transformFloat(long time,
                              float value)

Specified by:

transformFloat in class UDTFSelectK

transformDouble

protected void transformDouble(long time,
                               double value)

Specified by:

transformDouble in class UDTFSelectK

transformString

protected void transformString(long time,
                               java.lang.String value)

Specified by:

transformString in class UDTFSelectK