Package org.apache.iotdb.db.query.udf.example

Class TwoSum

java.lang.Object

org.apache.iotdb.db.query.udf.example.TwoSum

All Implemented Interfaces:

UDF, UDTF

public class TwoSum
extends Object
implements UDTF

Constructor Summary

Constructors

Constructor	Description
TwoSum()

Method Summary

Modifier and Type	Method	Description
void	beforeStart(UDFParameters parameters, UDTFConfigurations configurations)
Object	transform(Row row)
void	validate(UDFParameterValidator validator)

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, transform, transform

Constructor Details

TwoSum

public TwoSum()

Method Details

validate

public void validate(UDFParameterValidator validator)
              throws Exception

Specified by:

validate in interface UDF

Throws:

Exception

beforeStart

public void beforeStart(UDFParameters parameters,
 UDTFConfigurations configurations)

Specified by:

beforeStart in interface UDTF

transform

public Object transform(Row row)
                 throws Exception

Specified by:

transform in interface UDTF

Throws:

Exception