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

Class UDTFCommonValueDifference

java.lang.Object

org.apache.iotdb.commons.udf.builtin.UDTFValueTrend

org.apache.iotdb.commons.udf.builtin.UDTFValueDifference

org.apache.iotdb.commons.udf.builtin.UDTFCommonValueDifference

All Implemented Interfaces:

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

public class UDTFCommonValueDifference
extends UDTFValueDifference

Field Summary

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

dataType, hasPrevious, previousDouble, previousFloat, previousInt, previousLong

Constructor Summary

Constructors

Constructor	Description
UDTFCommonValueDifference()

Method Summary

Modifier and Type	Method	Description
protected void	doTransform(org.apache.iotdb.udf.api.access.Row row, org.apache.iotdb.udf.api.collector.PointCollector collector)

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

beforeStart, transform

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

updatePreviousValue, 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

terminate, transform, transform

Constructor Detail

UDTFCommonValueDifference

public UDTFCommonValueDifference()

Method Detail

doTransform

protected void doTransform(org.apache.iotdb.udf.api.access.Row row,
                           org.apache.iotdb.udf.api.collector.PointCollector collector)
                    throws org.apache.iotdb.udf.api.exception.UDFInputSeriesDataTypeNotValidException,
                           java.io.IOException

Specified by:

doTransform in class UDTFValueTrend

Throws:

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

java.io.IOException