Package it.unibz.inf.ontop.iq.visitor.impl

Class RequiredExtensionalDataNodeExtractorImpl

java.lang.Object

it.unibz.inf.ontop.iq.visitor.impl.RequiredExtensionalDataNodeExtractorImpl

All Implemented Interfaces:

IQVisitor<Stream<ExtensionalDataNode>>, RequiredExtensionalDataNodeExtractor

@Singleton
public class RequiredExtensionalDataNodeExtractorImpl
extends Object
implements RequiredExtensionalDataNodeExtractor

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RequiredExtensionalDataNodeExtractorImpl()

Method Summary

Modifier and Type	Method	Description
Stream<ExtensionalDataNode>	visitAggregation(AggregationNode aggregationNode, IQTree child)	Blocks
Stream<ExtensionalDataNode>	visitConstruction(ConstructionNode rootNode, IQTree child)
Stream<ExtensionalDataNode>	visitDistinct(DistinctNode rootNode, IQTree child)
Stream<ExtensionalDataNode>	visitEmpty(EmptyNode node)
Stream<ExtensionalDataNode>	visitExtensionalData(ExtensionalDataNode dataNode)
Stream<ExtensionalDataNode>	visitFilter(FilterNode rootNode, IQTree child)
Stream<ExtensionalDataNode>	visitInnerJoin(InnerJoinNode rootNode, it.unibz.inf.ontop.com.google.common.collect.ImmutableList<IQTree> children)
Stream<ExtensionalDataNode>	visitIntensionalData(IntensionalDataNode dataNode)
Stream<ExtensionalDataNode>	visitLeftJoin(LeftJoinNode rootNode, IQTree leftChild, IQTree rightChild)	Only considers the left child
Stream<ExtensionalDataNode>	visitNative(NativeNode nativeNode)
Stream<ExtensionalDataNode>	visitNonStandardBinaryNonCommutativeNode(BinaryNonCommutativeOperatorNode rootNode, IQTree leftChild, IQTree rightChild)	Blocks by default
Stream<ExtensionalDataNode>	visitNonStandardLeafNode(LeafIQTree leafNode)
Stream<ExtensionalDataNode>	visitNonStandardNaryNode(NaryOperatorNode rootNode, it.unibz.inf.ontop.com.google.common.collect.ImmutableList<IQTree> children)	Blocks by default
Stream<ExtensionalDataNode>	visitNonStandardUnaryNode(UnaryOperatorNode rootNode, IQTree child)	Blocks by default
Stream<ExtensionalDataNode>	visitOrderBy(OrderByNode rootNode, IQTree child)
Stream<ExtensionalDataNode>	visitSlice(SliceNode sliceNode, IQTree child)
Stream<ExtensionalDataNode>	visitTrue(TrueNode node)
Stream<ExtensionalDataNode>	visitUnion(UnionNode rootNode, it.unibz.inf.ontop.com.google.common.collect.ImmutableList<IQTree> children)	TODO: try to extract some common data nodes
Stream<ExtensionalDataNode>	visitValues(ValuesNode valuesNode)

Methods inherited from class java.lang.Object

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

Constructor Detail

RequiredExtensionalDataNodeExtractorImpl

@Inject
protected RequiredExtensionalDataNodeExtractorImpl()

Method Detail

visitIntensionalData

public Stream<ExtensionalDataNode> visitIntensionalData(IntensionalDataNode dataNode)

Specified by:

visitIntensionalData in interface IQVisitor<Stream<ExtensionalDataNode>>

visitExtensionalData

public Stream<ExtensionalDataNode> visitExtensionalData(ExtensionalDataNode dataNode)

Specified by:

visitExtensionalData in interface IQVisitor<Stream<ExtensionalDataNode>>

visitEmpty

public Stream<ExtensionalDataNode> visitEmpty(EmptyNode node)

Specified by:

visitEmpty in interface IQVisitor<Stream<ExtensionalDataNode>>

visitTrue

public Stream<ExtensionalDataNode> visitTrue(TrueNode node)

Specified by:

visitTrue in interface IQVisitor<Stream<ExtensionalDataNode>>

visitNative

public Stream<ExtensionalDataNode> visitNative(NativeNode nativeNode)

Specified by:

visitNative in interface IQVisitor<Stream<ExtensionalDataNode>>

visitValues

public Stream<ExtensionalDataNode> visitValues(ValuesNode valuesNode)

Specified by:

visitValues in interface IQVisitor<Stream<ExtensionalDataNode>>

visitNonStandardLeafNode

public Stream<ExtensionalDataNode> visitNonStandardLeafNode(LeafIQTree leafNode)

Specified by:

visitNonStandardLeafNode in interface IQVisitor<Stream<ExtensionalDataNode>>

visitConstruction

public Stream<ExtensionalDataNode> visitConstruction(ConstructionNode rootNode,
                                                     IQTree child)

Specified by:

visitConstruction in interface IQVisitor<Stream<ExtensionalDataNode>>

visitAggregation

public Stream<ExtensionalDataNode> visitAggregation(AggregationNode aggregationNode,
                                                    IQTree child)

Blocks

Specified by:

visitAggregation in interface IQVisitor<Stream<ExtensionalDataNode>>

visitFilter

public Stream<ExtensionalDataNode> visitFilter(FilterNode rootNode,
                                               IQTree child)

Specified by:

visitFilter in interface IQVisitor<Stream<ExtensionalDataNode>>

visitDistinct

public Stream<ExtensionalDataNode> visitDistinct(DistinctNode rootNode,
                                                 IQTree child)

Specified by:

visitDistinct in interface IQVisitor<Stream<ExtensionalDataNode>>

visitSlice

public Stream<ExtensionalDataNode> visitSlice(SliceNode sliceNode,
                                              IQTree child)

Specified by:

visitSlice in interface IQVisitor<Stream<ExtensionalDataNode>>

visitOrderBy

public Stream<ExtensionalDataNode> visitOrderBy(OrderByNode rootNode,
                                                IQTree child)

Specified by:

visitOrderBy in interface IQVisitor<Stream<ExtensionalDataNode>>

visitNonStandardUnaryNode

public Stream<ExtensionalDataNode> visitNonStandardUnaryNode(UnaryOperatorNode rootNode,
                                                             IQTree child)

Blocks by default

Specified by:

visitNonStandardUnaryNode in interface IQVisitor<Stream<ExtensionalDataNode>>

visitLeftJoin

public Stream<ExtensionalDataNode> visitLeftJoin(LeftJoinNode rootNode,
                                                 IQTree leftChild,
                                                 IQTree rightChild)

Only considers the left child

Specified by:

visitLeftJoin in interface IQVisitor<Stream<ExtensionalDataNode>>

visitNonStandardBinaryNonCommutativeNode

public Stream<ExtensionalDataNode> visitNonStandardBinaryNonCommutativeNode(BinaryNonCommutativeOperatorNode rootNode,
                                                                            IQTree leftChild,
                                                                            IQTree rightChild)

Blocks by default

Specified by:

visitNonStandardBinaryNonCommutativeNode in interface IQVisitor<Stream<ExtensionalDataNode>>

visitInnerJoin

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

Specified by:

visitInnerJoin in interface IQVisitor<Stream<ExtensionalDataNode>>

visitUnion

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

TODO: try to extract some common data nodes

Specified by:

visitUnion in interface IQVisitor<Stream<ExtensionalDataNode>>

visitNonStandardNaryNode

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

Blocks by default

Specified by:

visitNonStandardNaryNode in interface IQVisitor<Stream<ExtensionalDataNode>>