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

Class CompareTernaryColumnTransformer

java.lang.Object

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

org.apache.iotdb.db.mpp.transformation.dag.column.ternary.TernaryColumnTransformer

org.apache.iotdb.db.mpp.transformation.dag.column.ternary.CompareTernaryColumnTransformer

Direct Known Subclasses:

BetweenColumnTransformer

public abstract class CompareTernaryColumnTransformer
extends TernaryColumnTransformer

Field Summary

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

firstColumnTransformer, secondColumnTransformer, thirdColumnTransformer

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

columnCache, referenceCount, returnType

Constructor Summary

Constructors

Constructor	Description
CompareTernaryColumnTransformer(org.apache.iotdb.tsfile.read.common.type.Type returnType, ColumnTransformer firstColumnTransformer, ColumnTransformer secondColumnTransformer, ColumnTransformer thirdColumnTransformer)

Method Summary

Modifier and Type	Method	Description
protected void	checkType()
protected abstract void	doTransform(org.apache.iotdb.tsfile.read.common.block.column.Column firstColumn, org.apache.iotdb.tsfile.read.common.block.column.Column secondColumn, org.apache.iotdb.tsfile.read.common.block.column.Column thirdColumn, org.apache.iotdb.tsfile.read.common.block.column.ColumnBuilder builder, int positionCount)
void	evaluate()	Responsible for the calculation

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

getFirstColumnTransformer, getSecondColumnTransformer, getThirdColumnTransformer

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

addReferenceCount, 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

Constructor Detail

CompareTernaryColumnTransformer

public CompareTernaryColumnTransformer(org.apache.iotdb.tsfile.read.common.type.Type returnType,
                                       ColumnTransformer firstColumnTransformer,
                                       ColumnTransformer secondColumnTransformer,
                                       ColumnTransformer thirdColumnTransformer)

Method Detail

evaluate

public void evaluate()

Description copied from class: ColumnTransformer

Responsible for the calculation

Specified by:

evaluate in class ColumnTransformer

checkType

protected final void checkType()

Specified by:

checkType in class ColumnTransformer

doTransform

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