it.unibz.inf.ontop.iq.transform.impl

Class NoNullValuesEnforcerImpl.NotNullTopVariablePropagator

java.lang.Object

it.unibz.inf.ontop.iq.transform.impl.DefaultNonRecursiveIQTreeTransformer

it.unibz.inf.ontop.iq.transform.impl.NoNullValuesEnforcerImpl.NotNullTopVariablePropagator

All Implemented Interfaces:

IQTreeTransformer, IQTreeVisitingTransformer

Enclosing class:

NoNullValuesEnforcerImpl

protected static class NoNullValuesEnforcerImpl.NotNullTopVariablePropagator
extends DefaultNonRecursiveIQTreeTransformer

Field Summary

Fields

Modifier and Type	Field and Description
protected IntermediateQueryFactory	iqFactory
protected it.unibz.inf.ontop.com.google.common.collect.ImmutableSet<Variable>	nonNullVariables

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	NotNullTopVariablePropagator(IntermediateQueryFactory iqFactory, SubstitutionFactory substitutionFactory, it.unibz.inf.ontop.com.google.common.collect.ImmutableSet<Variable> nonNullVariables)

Method Summary

Modifier and Type	Method and Description
IQTree	transformConstruction(IQTree tree, ConstructionNode rootNode, IQTree child)
IQTree	transformDistinct(IQTree tree, DistinctNode rootNode, IQTree child) Propagates

Methods inherited from class it.unibz.inf.ontop.iq.transform.impl.DefaultNonRecursiveIQTreeTransformer

transformAggregation, transformBinaryNonCommutativeNode, transformEmpty, transformExtensionalData, transformFilter, transformInnerJoin, transformIntensionalData, transformLeaf, transformLeftJoin, transformNaryCommutativeNode, transformNonStandardBinaryNonCommutativeNode, transformNonStandardLeafNode, transformNonStandardNaryNode, transformNonStandardUnaryNode, transformOrderBy, transformSlice, transformTrue, transformUnaryNode, transformUnion

Methods inherited from class java.lang.Object

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

Methods inherited from interface it.unibz.inf.ontop.iq.transform.IQTreeVisitingTransformer

transform

Field Detail

iqFactory

protected final IntermediateQueryFactory iqFactory

nonNullVariables

protected final it.unibz.inf.ontop.com.google.common.collect.ImmutableSet<Variable> nonNullVariables

Constructor Detail

NotNullTopVariablePropagator

protected NotNullTopVariablePropagator(IntermediateQueryFactory iqFactory,
                                       SubstitutionFactory substitutionFactory,
                                       it.unibz.inf.ontop.com.google.common.collect.ImmutableSet<Variable> nonNullVariables)

Method Detail

transformConstruction

public IQTree transformConstruction(IQTree tree,
                                    ConstructionNode rootNode,
                                    IQTree child)

Specified by:

transformConstruction in interface IQTreeVisitingTransformer

Overrides:

transformConstruction in class DefaultNonRecursiveIQTreeTransformer

transformDistinct

public IQTree transformDistinct(IQTree tree,
                                DistinctNode rootNode,
                                IQTree child)

Propagates

Specified by:

transformDistinct in interface IQTreeVisitingTransformer

Overrides:

transformDistinct in class DefaultNonRecursiveIQTreeTransformer