it.unibz.inf.ontop.iq.view.impl

Class OntopViewUnfolderImpl.MaxLevelViewUnfoldingTransformer

java.lang.Object

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

it.unibz.inf.ontop.iq.view.impl.OntopViewUnfolderImpl.MaxLevelViewUnfoldingTransformer

All Implemented Interfaces:

IQTreeTransformer, IQTreeVisitingTransformer

Enclosing class:

OntopViewUnfolderImpl

protected static class OntopViewUnfolderImpl.MaxLevelViewUnfoldingTransformer
extends DefaultRecursiveIQTreeVisitingTransformer

Field Summary

Fields

Modifier and Type	Field and Description
protected int	maxLevel
protected SubstitutionFactory	substitutionFactory
protected QueryTransformerFactory	transformerFactory
protected VariableGenerator	variableGenerator

Fields inherited from class it.unibz.inf.ontop.iq.transform.impl.DefaultRecursiveIQTreeVisitingTransformer

iqFactory

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	MaxLevelViewUnfoldingTransformer(int maxLevel, VariableGenerator variableGenerator, CoreSingletons coreSingletons)

Method Summary

Modifier and Type	Method and Description
protected ImmutableSubstitution<VariableOrGroundTerm>	extractSubstitution(DistinctVariableOnlyDataAtom sourceAtom, it.unibz.inf.ontop.com.google.common.collect.ImmutableMap<Integer,? extends VariableOrGroundTerm> targetArgumentMap)
protected IQTree	merge(ExtensionalDataNode dataNode, IQ definition)
IQTree	transformExtensionalData(ExtensionalDataNode dataNode)

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

transformAggregation, transformBinaryNonCommutativeNode, transformConstruction, transformDistinct, transformEmpty, 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

maxLevel

protected final int maxLevel

variableGenerator

protected final VariableGenerator variableGenerator

substitutionFactory

protected final SubstitutionFactory substitutionFactory

transformerFactory

protected final QueryTransformerFactory transformerFactory

Constructor Detail

MaxLevelViewUnfoldingTransformer

protected MaxLevelViewUnfoldingTransformer(int maxLevel,
                                           VariableGenerator variableGenerator,
                                           CoreSingletons coreSingletons)

Method Detail

transformExtensionalData

public IQTree transformExtensionalData(ExtensionalDataNode dataNode)

Specified by:

transformExtensionalData in interface IQTreeVisitingTransformer

Overrides:

transformExtensionalData in class DefaultRecursiveIQTreeVisitingTransformer

merge

protected IQTree merge(ExtensionalDataNode dataNode,
                       IQ definition)

extractSubstitution

protected ImmutableSubstitution<VariableOrGroundTerm> extractSubstitution(DistinctVariableOnlyDataAtom sourceAtom,
                                                                          it.unibz.inf.ontop.com.google.common.collect.ImmutableMap<Integer,? extends VariableOrGroundTerm> targetArgumentMap)