it.unibz.inf.ontop.iq.type.impl

Class BasicUniqueTermTypeExtractor.TermTypeVariableVisitor

java.lang.Object

it.unibz.inf.ontop.iq.type.impl.BasicUniqueTermTypeExtractor.TermTypeVariableVisitor

All Implemented Interfaces:

IQVisitor<Optional<TermType>>

Enclosing class:

BasicUniqueTermTypeExtractor

protected static class BasicUniqueTermTypeExtractor.TermTypeVariableVisitor
extends Object
implements IQVisitor<Optional<TermType>>

Field Summary

Fields

Modifier and Type	Field and Description
protected UniqueTermTypeExtractor	typeExtractor
protected Variable	variable

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	TermTypeVariableVisitor(Variable variable, UniqueTermTypeExtractor typeExtractor)

Method Summary

Modifier and Type	Method and Description
Optional<TermType>	visitAggregation(AggregationNode rootNode, IQTree child)
Optional<TermType>	visitConstruction(ConstructionNode rootNode, IQTree child)
Optional<TermType>	visitDistinct(DistinctNode rootNode, IQTree child)
Optional<TermType>	visitEmpty(EmptyNode node)
protected Optional<TermType>	visitExtendedProjection(ExtendedProjectionNode rootNode, IQTree child)
Optional<TermType>	visitExtensionalData(ExtensionalDataNode dataNode)
Optional<TermType>	visitFilter(FilterNode rootNode, IQTree child)
Optional<TermType>	visitInnerJoin(InnerJoinNode rootNode, it.unibz.inf.ontop.com.google.common.collect.ImmutableList<IQTree> children) Returns the first type found for a variable.
Optional<TermType>	visitIntensionalData(IntensionalDataNode dataNode)
Optional<TermType>	visitLeftJoin(LeftJoinNode rootNode, IQTree leftChild, IQTree rightChild) Only consider the right child for right-specific variables
Optional<TermType>	visitNative(NativeNode nativeNode)
Optional<TermType>	visitNonStandardBinaryNonCommutativeNode(BinaryNonCommutativeOperatorNode rootNode, IQTree leftChild, IQTree rightChild)
Optional<TermType>	visitNonStandardLeafNode(LeafIQTree leafNode)
Optional<TermType>	visitNonStandardNaryNode(NaryOperatorNode rootNode, it.unibz.inf.ontop.com.google.common.collect.ImmutableList<IQTree> children)
Optional<TermType>	visitNonStandardUnaryNode(UnaryOperatorNode rootNode, IQTree child)
Optional<TermType>	visitOrderBy(OrderByNode rootNode, IQTree child)
Optional<TermType>	visitSlice(SliceNode sliceNode, IQTree child)
Optional<TermType>	visitTrue(TrueNode node)
Optional<TermType>	visitUnion(UnionNode rootNode, it.unibz.inf.ontop.com.google.common.collect.ImmutableList<IQTree> children)

Methods inherited from class java.lang.Object

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

Field Detail

variable

protected final Variable variable

typeExtractor

protected final UniqueTermTypeExtractor typeExtractor

Constructor Detail

TermTypeVariableVisitor

protected TermTypeVariableVisitor(Variable variable,
                                  UniqueTermTypeExtractor typeExtractor)

Method Detail

visitIntensionalData

public Optional<TermType> visitIntensionalData(IntensionalDataNode dataNode)

Specified by:

visitIntensionalData in interface IQVisitor<Optional<TermType>>

visitExtensionalData

public Optional<TermType> visitExtensionalData(ExtensionalDataNode dataNode)

Specified by:

visitExtensionalData in interface IQVisitor<Optional<TermType>>

visitEmpty

public Optional<TermType> visitEmpty(EmptyNode node)

Specified by:

visitEmpty in interface IQVisitor<Optional<TermType>>

visitTrue

public Optional<TermType> visitTrue(TrueNode node)

Specified by:

visitTrue in interface IQVisitor<Optional<TermType>>

visitNative

public Optional<TermType> visitNative(NativeNode nativeNode)

Specified by:

visitNative in interface IQVisitor<Optional<TermType>>

visitNonStandardLeafNode

public Optional<TermType> visitNonStandardLeafNode(LeafIQTree leafNode)

Specified by:

visitNonStandardLeafNode in interface IQVisitor<Optional<TermType>>

visitConstruction

public Optional<TermType> visitConstruction(ConstructionNode rootNode,
                                            IQTree child)

Specified by:

visitConstruction in interface IQVisitor<Optional<TermType>>

visitAggregation

public Optional<TermType> visitAggregation(AggregationNode rootNode,
                                           IQTree child)

Specified by:

visitAggregation in interface IQVisitor<Optional<TermType>>

visitExtendedProjection

protected Optional<TermType> visitExtendedProjection(ExtendedProjectionNode rootNode,
                                                     IQTree child)

visitFilter

public Optional<TermType> visitFilter(FilterNode rootNode,
                                      IQTree child)

Specified by:

visitFilter in interface IQVisitor<Optional<TermType>>

visitDistinct

public Optional<TermType> visitDistinct(DistinctNode rootNode,
                                        IQTree child)

Specified by:

visitDistinct in interface IQVisitor<Optional<TermType>>

visitSlice

public Optional<TermType> visitSlice(SliceNode sliceNode,
                                     IQTree child)

Specified by:

visitSlice in interface IQVisitor<Optional<TermType>>

visitOrderBy

public Optional<TermType> visitOrderBy(OrderByNode rootNode,
                                       IQTree child)

Specified by:

visitOrderBy in interface IQVisitor<Optional<TermType>>

visitNonStandardUnaryNode

public Optional<TermType> visitNonStandardUnaryNode(UnaryOperatorNode rootNode,
                                                    IQTree child)

Specified by:

visitNonStandardUnaryNode in interface IQVisitor<Optional<TermType>>

visitLeftJoin

public Optional<TermType> visitLeftJoin(LeftJoinNode rootNode,
                                        IQTree leftChild,
                                        IQTree rightChild)

Only consider the right child for right-specific variables

Specified by:

visitLeftJoin in interface IQVisitor<Optional<TermType>>

visitNonStandardBinaryNonCommutativeNode

public Optional<TermType> visitNonStandardBinaryNonCommutativeNode(BinaryNonCommutativeOperatorNode rootNode,
                                                                   IQTree leftChild,
                                                                   IQTree rightChild)

Specified by:

visitNonStandardBinaryNonCommutativeNode in interface IQVisitor<Optional<TermType>>

visitInnerJoin

public Optional<TermType> visitInnerJoin(InnerJoinNode rootNode,
                                         it.unibz.inf.ontop.com.google.common.collect.ImmutableList<IQTree> children)

Returns the first type found for a variable. If multiple types could have been found -- not matching -- will be later eliminated

Specified by:

visitInnerJoin in interface IQVisitor<Optional<TermType>>

visitUnion

public Optional<TermType> visitUnion(UnionNode rootNode,
                                     it.unibz.inf.ontop.com.google.common.collect.ImmutableList<IQTree> children)

Specified by:

visitUnion in interface IQVisitor<Optional<TermType>>

visitNonStandardNaryNode

public Optional<TermType> visitNonStandardNaryNode(NaryOperatorNode rootNode,
                                                   it.unibz.inf.ontop.com.google.common.collect.ImmutableList<IQTree> children)

Specified by:

visitNonStandardNaryNode in interface IQVisitor<Optional<TermType>>