Package org.apache.iotdb.db.mpp.transformation.dag.transformer.binary

Class ArithmeticSubtractionTransformer

java.lang.Object

org.apache.iotdb.db.mpp.transformation.dag.transformer.Transformer

org.apache.iotdb.db.mpp.transformation.dag.transformer.binary.BinaryTransformer

org.apache.iotdb.db.mpp.transformation.dag.transformer.binary.ArithmeticBinaryTransformer

org.apache.iotdb.db.mpp.transformation.dag.transformer.binary.ArithmeticSubtractionTransformer

All Implemented Interfaces:

LayerPointReader, YieldableReader

public class ArithmeticSubtractionTransformer
extends ArithmeticBinaryTransformer

Field Summary

Fields inherited from class org.apache.iotdb.db.mpp.transformation.dag.transformer.binary.BinaryTransformer

isCurrentConstant, isLeftPointReaderConstant, isRightPointReaderConstant, leftPointReader, leftPointReaderDataType, rightPointReader, rightPointReaderDataType

Fields inherited from class org.apache.iotdb.db.mpp.transformation.dag.transformer.Transformer

cachedBinary, cachedBoolean, cachedDouble, cachedFloat, cachedInt, cachedLong, cachedTime, currentNull, hasCachedValue

Constructor Summary

Constructors

Constructor	Description
ArithmeticSubtractionTransformer(LayerPointReader leftPointReader, LayerPointReader rightPointReader)

Method Summary

Modifier and Type	Method	Description
protected double	evaluate(double leftOperand, double rightOperand)

Methods inherited from class org.apache.iotdb.db.mpp.transformation.dag.transformer.binary.ArithmeticBinaryTransformer

checkType, getDataType, transformAndCache

Methods inherited from class org.apache.iotdb.db.mpp.transformation.dag.transformer.binary.BinaryTransformer

cacheValue, castCurrentValueToDoubleOperand, isConstantPointReader, yieldValue

Methods inherited from class org.apache.iotdb.db.mpp.transformation.dag.transformer.Transformer

currentBinary, currentBoolean, currentDouble, currentFloat, currentInt, currentLong, currentTime, isCurrentNull, next, readyForNext, yield

Methods inherited from class java.lang.Object

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

Constructor Detail

ArithmeticSubtractionTransformer

public ArithmeticSubtractionTransformer(LayerPointReader leftPointReader,
                                        LayerPointReader rightPointReader)

Method Detail

evaluate

protected double evaluate(double leftOperand,
                          double rightOperand)

Specified by:

evaluate in class ArithmeticBinaryTransformer