Package org.apache.iotdb.db.mpp.transformation.api

Interface LayerPointReader

All Superinterfaces:

YieldableReader

All Known Implementing Classes:

ArithmeticAdditionTransformer, ArithmeticBinaryTransformer, ArithmeticDivisionTransformer, ArithmeticModuloTransformer, ArithmeticMultiplicationTransformer, ArithmeticNegationTransformer, ArithmeticSubtractionTransformer, BetweenTransformer, BinaryTransformer, CompareBinaryTransformer, CompareEqualToTransformer, CompareGreaterEqualTransformer, CompareGreaterThanTransformer, CompareLessEqualTransformer, CompareLessThanTransformer, CompareNonEqualTransformer, CompareTernaryTransformer, ConstantInputReader, InTransformer, IsNullTransformer, LogicAndTransformer, LogicBinaryTransformer, LogicNotTransformer, LogicOrTransformer, MappableUDFQueryRowTransformer, RegularTransformer, TernaryTransformer, Transformer, TransparentTransformer, UDFQueryRowTransformer, UDFQueryRowWindowTransformer, UDFQueryTransformer, UnaryTransformer, UniversalUDFQueryTransformer

public interface LayerPointReader
extends YieldableReader

Method Summary

Modifier and Type	Method	Description
org.apache.iotdb.tsfile.utils.Binary	currentBinary()
boolean	currentBoolean()
double	currentDouble()
float	currentFloat()
int	currentInt()
long	currentLong()
long	currentTime()
org.apache.iotdb.tsfile.file.metadata.enums.TSDataType	getDataType()
boolean	isConstantPointReader()
boolean	isCurrentNull()
boolean	next()
void	readyForNext()

Methods inherited from interface org.apache.iotdb.db.mpp.transformation.api.YieldableReader

yield

Method Detail

isConstantPointReader

boolean isConstantPointReader()

next

boolean next()
      throws QueryProcessException,
             java.io.IOException

Throws:

QueryProcessException

java.io.IOException

readyForNext

void readyForNext()

getDataType

org.apache.iotdb.tsfile.file.metadata.enums.TSDataType getDataType()

currentTime

long currentTime()
          throws java.io.IOException

Throws:

java.io.IOException

currentInt

int currentInt()
        throws java.io.IOException

Throws:

java.io.IOException

currentLong

long currentLong()
          throws java.io.IOException

Throws:

java.io.IOException

currentFloat

float currentFloat()
            throws java.io.IOException

Throws:

java.io.IOException

currentDouble

double currentDouble()
              throws java.io.IOException

Throws:

java.io.IOException

currentBoolean

boolean currentBoolean()
                throws java.io.IOException

Throws:

java.io.IOException

isCurrentNull

boolean isCurrentNull()
               throws java.io.IOException

Throws:

java.io.IOException

currentBinary

org.apache.iotdb.tsfile.utils.Binary currentBinary()
                                            throws java.io.IOException

Throws:

java.io.IOException