Class UnaryColumnTransformer
- java.lang.Object
-
- org.apache.iotdb.db.mpp.transformation.dag.column.ColumnTransformer
-
- org.apache.iotdb.db.mpp.transformation.dag.column.unary.UnaryColumnTransformer
-
- Direct Known Subclasses:
ArithmeticNegationColumnTransformer,InColumnTransformer,IsNullColumnTransformer,LogicNotColumnTransformer,RegularColumnTransformer
public abstract class UnaryColumnTransformer extends ColumnTransformer
-
-
Field Summary
Fields Modifier and Type Field Description protected ColumnTransformerchildColumnTransformer-
Fields inherited from class org.apache.iotdb.db.mpp.transformation.dag.column.ColumnTransformer
columnCache, referenceCount, returnType
-
-
Constructor Summary
Constructors Constructor Description UnaryColumnTransformer(org.apache.iotdb.tsfile.read.common.type.Type returnType, ColumnTransformer childColumnTransformer)
-
Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description protected voidcheckType()protected abstract voiddoTransform(org.apache.iotdb.tsfile.read.common.block.column.Column column, org.apache.iotdb.tsfile.read.common.block.column.ColumnBuilder columnBuilder)voidevaluate()Responsible for the calculationColumnTransformergetChildColumnTransformer()-
Methods inherited from class org.apache.iotdb.db.mpp.transformation.dag.column.ColumnTransformer
addReferenceCount, close, getColumn, getColumnCachePositionCount, getType, initializeColumnCache, isReturnTypeNumeric, tryEvaluate
-
-
-
-
Field Detail
-
childColumnTransformer
protected ColumnTransformer childColumnTransformer
-
-
Constructor Detail
-
UnaryColumnTransformer
public UnaryColumnTransformer(org.apache.iotdb.tsfile.read.common.type.Type returnType, ColumnTransformer childColumnTransformer)
-
-
Method Detail
-
evaluate
public void evaluate()
Description copied from class:ColumnTransformerResponsible for the calculation- Specified by:
evaluatein classColumnTransformer
-
getChildColumnTransformer
public ColumnTransformer getChildColumnTransformer()
-
checkType
protected void checkType()
- Specified by:
checkTypein classColumnTransformer
-
doTransform
protected abstract void doTransform(org.apache.iotdb.tsfile.read.common.block.column.Column column, org.apache.iotdb.tsfile.read.common.block.column.ColumnBuilder columnBuilder)
-
-