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

Class ConstantOperand

java.lang.Object

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

it.bancaditalia.oss.vtl.impl.transform.ConstantOperand

All Implemented Interfaces:

LeafTransformation, Transformation, Serializable

public class ConstantOperand
extends TransformationImpl
implements LeafTransformation

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
ConstantOperand(ScalarValue<?,?,?,?> value)

Method Summary

Modifier and Type	Method	Description
Lineage	computeLineage()
boolean	equals(Object obj)
ScalarValue<?,?,?,?>	eval(TransformationScheme session)	Evaluates this transformation in the context of the given TransformationScheme.
ScalarValueMetadata<?,?>	getMetadata(TransformationScheme scheme)	Checks and returns the metadata of this Transformation within the given TransformationScheme.
Set<LeafTransformation>	getTerminals()	A set of all the LeafTransformations recursively referenced by this Transformation.
String	getText()
int	hashCode()
String	toString()

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

Methods inherited from interface it.bancaditalia.oss.vtl.model.transform.LeafTransformation

isTerminal

Methods inherited from interface it.bancaditalia.oss.vtl.model.transform.Transformation

getLineage

Constructor Detail

ConstantOperand

public ConstantOperand(ScalarValue<?,?,?,?> value)

Method Detail

eval

public ScalarValue<?,?,?,?> eval(TransformationScheme session)

Description copied from interface: Transformation

Evaluates this transformation in the context of the given TransformationScheme.

Specified by:

eval in interface Transformation

Parameters:

session - the transformation scheme

Returns:

the result of the computation of this Transformation.

getText

public String getText()

Specified by:

getText in interface LeafTransformation

getTerminals

public Set<LeafTransformation> getTerminals()

Description copied from interface: Transformation

A set of all the LeafTransformations recursively referenced by this Transformation. The set is empty if Transformation.isTerminal() is true.

Specified by:

getTerminals in interface LeafTransformation

Specified by:

getTerminals in interface Transformation

Returns:

the set

getMetadata

public ScalarValueMetadata<?,?> getMetadata(TransformationScheme scheme)

Description copied from interface: Transformation

Checks and returns the metadata of this Transformation within the given TransformationScheme.

Specified by:

getMetadata in interface Transformation

Parameters:

scheme - the transformation scheme

Returns:

the metadata of this Transformation.

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Specified by:

hashCode in interface Transformation

Specified by:

hashCode in class TransformationImpl

equals

public boolean equals(Object obj)

Specified by:

equals in interface Transformation

Specified by:

equals in class TransformationImpl

computeLineage

public Lineage computeLineage()

Specified by:

computeLineage in class TransformationImpl