Package it.bancaditalia.oss.vtl.impl.transform.aggregation

Class AggregateTransformation

java.lang.Object

it.bancaditalia.oss.vtl.impl.transform.TransformationImpl

it.bancaditalia.oss.vtl.impl.transform.UnaryTransformation

it.bancaditalia.oss.vtl.impl.transform.aggregation.AggregateTransformation

All Implemented Interfaces:

Transformation, Serializable

public class AggregateTransformation
extends UnaryTransformation

See Also:

Serialized Form

Field Summary

Fields inherited from class it.bancaditalia.oss.vtl.impl.transform.UnaryTransformation

operand

Constructor Summary

Constructors

Constructor	Description
AggregateTransformation(AggregateTransformation other, List<String> groupBy, String name, Class<? extends ComponentRole> role)
AggregateTransformation(AggregateOperator aggregation, Transformation operand, List<String> groupBy, Transformation having)
AggregateTransformation(List<String> groupBy, Transformation having)

Method Summary

Modifier and Type	Method	Description
VTLValueMetadata	computeMetadata(TransformationScheme session)
boolean	equals(Object obj)
protected VTLValue	evalOnDataset(DataSet dataset, VTLValueMetadata metadata)
protected VTLValue	evalOnScalar(ScalarValue<?,?,?,?> scalar, VTLValueMetadata metadata)
int	hashCode()
String	toString()

Methods inherited from class it.bancaditalia.oss.vtl.impl.transform.UnaryTransformation

computeLineage, eval, getMetadata, getOperand, getTerminals, isTerminal

Methods inherited from class it.bancaditalia.oss.vtl.impl.transform.TransformationImpl

getLineage

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

AggregateTransformation

public AggregateTransformation(AggregateOperator aggregation,
                               Transformation operand,
                               List<String> groupBy,
                               Transformation having)

AggregateTransformation

public AggregateTransformation(List<String> groupBy,
                               Transformation having)

AggregateTransformation

public AggregateTransformation(AggregateTransformation other,
                               List<String> groupBy,
                               String name,
                               Class<? extends ComponentRole> role)

Method Detail

evalOnScalar

protected VTLValue evalOnScalar(ScalarValue<?,?,?,?> scalar,
                                VTLValueMetadata metadata)

Specified by:

evalOnScalar in class UnaryTransformation

evalOnDataset

protected VTLValue evalOnDataset(DataSet dataset,
                                 VTLValueMetadata metadata)

Specified by:

evalOnDataset in class UnaryTransformation

computeMetadata

public VTLValueMetadata computeMetadata(TransformationScheme session)

Specified by:

computeMetadata in class UnaryTransformation

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Specified by:

hashCode in interface Transformation

Overrides:

hashCode in class UnaryTransformation

equals

public boolean equals(Object obj)

Specified by:

equals in interface Transformation

Overrides:

equals in class UnaryTransformation