Package org.apache.iotdb.db.mpp.transformation.dag.input

Class TsBlockInputDataSet

java.lang.Object

org.apache.iotdb.db.mpp.transformation.dag.input.TsBlockInputDataSet

All Implemented Interfaces:

IUDFInputDataSet

public class TsBlockInputDataSet
extends java.lang.Object
implements IUDFInputDataSet

Constructor Summary

Constructors

Constructor	Description
TsBlockInputDataSet(Operator operator, java.util.List<org.apache.iotdb.tsfile.file.metadata.enums.TSDataType> dataTypes)

Method Summary

Modifier and Type	Method	Description
YieldableState	canYieldNextRowInObjects()	Whether the data set has next row.
java.util.List<org.apache.iotdb.tsfile.file.metadata.enums.TSDataType>	getDataTypes()	returns the input data types, except the timestamp column(the last column).
boolean	hasNextRowInObjects()	Whether the data set has next row.
java.lang.Object[]	nextRowInObjects()	Get the next row for UDFPlan input.

Methods inherited from class java.lang.Object

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

Constructor Detail

TsBlockInputDataSet

public TsBlockInputDataSet(Operator operator,
                           java.util.List<org.apache.iotdb.tsfile.file.metadata.enums.TSDataType> dataTypes)

Method Detail

getDataTypes

public java.util.List<org.apache.iotdb.tsfile.file.metadata.enums.TSDataType> getDataTypes()

Description copied from interface: IUDFInputDataSet

returns the input data types, except the timestamp column(the last column).

Specified by:

getDataTypes in interface IUDFInputDataSet

hasNextRowInObjects

public boolean hasNextRowInObjects()

Description copied from interface: IUDFInputDataSet

Whether the data set has next row.

Specified by:

hasNextRowInObjects in interface IUDFInputDataSet

canYieldNextRowInObjects

public YieldableState canYieldNextRowInObjects()

Description copied from interface: IUDFInputDataSet

Whether the data set has next row.

Specified by:

canYieldNextRowInObjects in interface IUDFInputDataSet

nextRowInObjects

public java.lang.Object[] nextRowInObjects()

Description copied from interface: IUDFInputDataSet

Get the next row for UDFPlan input.

The last element in the row is the timestamp.

Specified by:

nextRowInObjects in interface IUDFInputDataSet