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

Class BinaryColumnTransformer

java.lang.Object

org.apache.iotdb.db.mpp.transformation.dag.column.ColumnTransformer

org.apache.iotdb.db.mpp.transformation.dag.column.binary.BinaryColumnTransformer

Direct Known Subclasses:

ArithmeticBinaryColumnTransformer, CompareBinaryColumnTransformer, LogicBinaryColumnTransformer

public abstract class BinaryColumnTransformer
extends ColumnTransformer

Field Summary

Fields

Modifier and Type	Field	Description
protected ColumnTransformer	leftTransformer
protected ColumnTransformer	rightTransformer

Fields inherited from class org.apache.iotdb.db.mpp.transformation.dag.column.ColumnTransformer

columnCache, referenceCount, returnType

Constructor Summary

Constructors

Constructor	Description
BinaryColumnTransformer(org.apache.iotdb.tsfile.read.common.type.Type returnType, ColumnTransformer leftTransformer, ColumnTransformer rightTransformer)

Method Summary

Modifier and Type	Method	Description
protected abstract void	doTransform(org.apache.iotdb.tsfile.read.common.block.column.Column leftColumn, org.apache.iotdb.tsfile.read.common.block.column.Column rightColumn, org.apache.iotdb.tsfile.read.common.block.column.ColumnBuilder builder, int positionCount)
void	evaluate()	Responsible for the calculation
ColumnTransformer	getLeftTransformer()
ColumnTransformer	getRightTransformer()

Methods inherited from class org.apache.iotdb.db.mpp.transformation.dag.column.ColumnTransformer

addReferenceCount, checkType, close, getColumn, getColumnCachePositionCount, getType, initializeColumnCache, isReturnTypeNumeric, tryEvaluate

Methods inherited from class java.lang.Object

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

Field Detail

leftTransformer

protected final ColumnTransformer leftTransformer

rightTransformer

protected final ColumnTransformer rightTransformer

Constructor Detail

BinaryColumnTransformer

public BinaryColumnTransformer(org.apache.iotdb.tsfile.read.common.type.Type returnType,
                               ColumnTransformer leftTransformer,
                               ColumnTransformer rightTransformer)

Method Detail

evaluate

public void evaluate()

Description copied from class: ColumnTransformer

Responsible for the calculation

Specified by:

evaluate in class ColumnTransformer

doTransform

protected abstract void doTransform(org.apache.iotdb.tsfile.read.common.block.column.Column leftColumn,
                                    org.apache.iotdb.tsfile.read.common.block.column.Column rightColumn,
                                    org.apache.iotdb.tsfile.read.common.block.column.ColumnBuilder builder,
                                    int positionCount)

getLeftTransformer

public ColumnTransformer getLeftTransformer()

getRightTransformer

public ColumnTransformer getRightTransformer()