Package org.aksw.qa.commons.qald

Class TriplePatternExtractor

java.lang.Object

org.apache.jena.sparql.syntax.ElementVisitorBase

org.aksw.qa.commons.qald.TriplePatternExtractor

All Implemented Interfaces:

org.apache.jena.sparql.syntax.ElementVisitor

public class TriplePatternExtractor
extends org.apache.jena.sparql.syntax.ElementVisitorBase

Field Summary

Fields

Modifier and Type	Field	Description
private int	filterCount
private boolean	inOptionalClause
private int	optionalCount
private Set<org.apache.jena.graph.Triple>	optionalTriplePattern
private Set<org.apache.jena.graph.Triple>	triplePattern
private int	unionCount

Constructor Summary

Constructors

Constructor	Description
TriplePatternExtractor()

Method Summary

Modifier and Type	Method	Description
Set<org.apache.jena.graph.Triple>	extractIncomingTriplePatterns(org.apache.jena.query.Query query, org.apache.jena.graph.Node node)	Returns all triple patterns in given SPARQL query that have the given node in object position, i.e.
Map<org.apache.jena.sparql.core.Var,Set<org.apache.jena.graph.Triple>>	extractIncomingTriplePatternsForProjectionVars(org.apache.jena.query.Query query)	Returns triple patterns for each projection variable v such that v is in subject position.
Set<org.apache.jena.graph.Triple>	extractIngoingTriplePatterns(org.apache.jena.query.Query query, org.apache.jena.graph.Node node)	Returns all triple patterns in given SPARQL query that have the given node in object position, i.e.
Map<org.apache.jena.sparql.core.Var,Set<org.apache.jena.graph.Triple>>	extractIngoingTriplePatternsForProjectionVars(org.apache.jena.query.Query query)	Returns triple patterns for each projection variable v such that v is in object position.
Set<org.apache.jena.graph.Triple>	extractNonOptionalTriplePatterns(org.apache.jena.query.Query query, org.apache.jena.graph.Node node)	Returns all triple patterns in given SPARQL query that have the given node either in subject or in object position, i.e.
Set<org.apache.jena.graph.Triple>	extractOutgoingTriplePatterns(org.apache.jena.query.Query query, org.apache.jena.graph.Node node)	Returns all triple patterns in given SPARQL query that have the given node in subject position, i.e.
Map<org.apache.jena.sparql.core.Var,Set<org.apache.jena.graph.Triple>>	extractOutgoingTriplePatternsForProjectionVars(org.apache.jena.query.Query query)	Returns triple patterns for each projection variable v such that v is in subject position.
Set<org.apache.jena.graph.Triple>	extractTriplePattern(org.apache.jena.query.Query query)
Set<org.apache.jena.graph.Triple>	extractTriplePattern(org.apache.jena.query.Query query, boolean ignoreOptionals)
Set<org.apache.jena.graph.Triple>	extractTriplePattern(org.apache.jena.sparql.syntax.ElementGroup group)
Set<org.apache.jena.graph.Triple>	extractTriplePattern(org.apache.jena.sparql.syntax.ElementGroup group, boolean ignoreOptionals)
Set<org.apache.jena.graph.Triple>	extractTriplePatterns(org.apache.jena.query.Query query, org.apache.jena.graph.Node node)	Returns all triple patterns in given SPARQL query that have the given node either in subject or in object position, i.e.
Map<org.apache.jena.sparql.core.Var,Set<org.apache.jena.graph.Triple>>	extractTriplePatternsForProjectionVars(org.apache.jena.query.Query query)	Returns triple patterns for each projection variable v such that v is either in subject or object position.
int	getFilterCount()
int	getOptionalCount()
Set<org.apache.jena.graph.Triple>	getOptionalTriplePatterns()
int	getUnionCount()
boolean	isOptional(org.apache.jena.graph.Triple triple)
static void	main(String[] args)
void	visit(org.apache.jena.sparql.syntax.ElementFilter el)
void	visit(org.apache.jena.sparql.syntax.ElementGroup el)
void	visit(org.apache.jena.sparql.syntax.ElementOptional el)
void	visit(org.apache.jena.sparql.syntax.ElementPathBlock el)
void	visit(org.apache.jena.sparql.syntax.ElementTriplesBlock el)
void	visit(org.apache.jena.sparql.syntax.ElementUnion el)

Methods inherited from class org.apache.jena.sparql.syntax.ElementVisitorBase

visit, visit, visit, visit, visit, visit, visit, visit, visit, visit

Methods inherited from class java.lang.Object

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

Field Detail

triplePattern

private Set<org.apache.jena.graph.Triple> triplePattern

optionalTriplePattern

private Set<org.apache.jena.graph.Triple> optionalTriplePattern

inOptionalClause

private boolean inOptionalClause

unionCount

private int unionCount

optionalCount

private int optionalCount

filterCount

private int filterCount

Constructor Detail

TriplePatternExtractor

public TriplePatternExtractor()

Method Detail

extractOutgoingTriplePatterns

public Set<org.apache.jena.graph.Triple> extractOutgoingTriplePatterns(org.apache.jena.query.Query query,
                                                                       org.apache.jena.graph.Node node)

Returns all triple patterns in given SPARQL query that have the given node in subject position, i.e. the outgoing triple patterns.

Parameters:

query - The SPARQL query.

extractIncomingTriplePatterns

public Set<org.apache.jena.graph.Triple> extractIncomingTriplePatterns(org.apache.jena.query.Query query,
                                                                       org.apache.jena.graph.Node node)

Returns all triple patterns in given SPARQL query that have the given node in object position, i.e. the incoming triple patterns.

Parameters:

query - The SPARQL query.

extractIngoingTriplePatterns

public Set<org.apache.jena.graph.Triple> extractIngoingTriplePatterns(org.apache.jena.query.Query query,
                                                                      org.apache.jena.graph.Node node)

Returns all triple patterns in given SPARQL query that have the given node in object position, i.e. the ingoing triple patterns.

Parameters:

query - The SPARQL query.

extractTriplePatterns

public Set<org.apache.jena.graph.Triple> extractTriplePatterns(org.apache.jena.query.Query query,
                                                               org.apache.jena.graph.Node node)

Returns all triple patterns in given SPARQL query that have the given node either in subject or in object position, i.e. the ingoing and outgoing triple patterns.

Parameters:

query - The SPARQL query.

extractNonOptionalTriplePatterns

public Set<org.apache.jena.graph.Triple> extractNonOptionalTriplePatterns(org.apache.jena.query.Query query,
                                                                          org.apache.jena.graph.Node node)

Returns all triple patterns in given SPARQL query that have the given node either in subject or in object position, i.e. the ingoing and outgoing triple patterns.

Parameters:

query - The SPARQL query.

extractTriplePatternsForProjectionVars

public Map<org.apache.jena.sparql.core.Var,Set<org.apache.jena.graph.Triple>> extractTriplePatternsForProjectionVars(org.apache.jena.query.Query query)

Returns triple patterns for each projection variable v such that v is either in subject or object position.

Parameters:

query - The SPARQL query.

extractOutgoingTriplePatternsForProjectionVars

public Map<org.apache.jena.sparql.core.Var,Set<org.apache.jena.graph.Triple>> extractOutgoingTriplePatternsForProjectionVars(org.apache.jena.query.Query query)

Returns triple patterns for each projection variable v such that v is in subject position.

Parameters:

query - The SPARQL query.

getOptionalTriplePatterns

public Set<org.apache.jena.graph.Triple> getOptionalTriplePatterns()

Returns:

the optionalTriplePattern

extractIncomingTriplePatternsForProjectionVars

public Map<org.apache.jena.sparql.core.Var,Set<org.apache.jena.graph.Triple>> extractIncomingTriplePatternsForProjectionVars(org.apache.jena.query.Query query)

Returns triple patterns for each projection variable v such that v is in subject position.

Parameters:

query - The SPARQL query.

extractIngoingTriplePatternsForProjectionVars

public Map<org.apache.jena.sparql.core.Var,Set<org.apache.jena.graph.Triple>> extractIngoingTriplePatternsForProjectionVars(org.apache.jena.query.Query query)

Returns triple patterns for each projection variable v such that v is in object position.

Parameters:

query - The SPARQL query.

extractTriplePattern

public Set<org.apache.jena.graph.Triple> extractTriplePattern(org.apache.jena.query.Query query)

extractTriplePattern

public Set<org.apache.jena.graph.Triple> extractTriplePattern(org.apache.jena.query.Query query,
                                                              boolean ignoreOptionals)

isOptional

public boolean isOptional(org.apache.jena.graph.Triple triple)

extractTriplePattern

public Set<org.apache.jena.graph.Triple> extractTriplePattern(org.apache.jena.sparql.syntax.ElementGroup group)

extractTriplePattern

public Set<org.apache.jena.graph.Triple> extractTriplePattern(org.apache.jena.sparql.syntax.ElementGroup group,
                                                              boolean ignoreOptionals)

visit

public void visit(org.apache.jena.sparql.syntax.ElementGroup el)

Specified by:

visit in interface org.apache.jena.sparql.syntax.ElementVisitor

Overrides:

visit in class org.apache.jena.sparql.syntax.ElementVisitorBase

visit

public void visit(org.apache.jena.sparql.syntax.ElementOptional el)

Specified by:

visit in interface org.apache.jena.sparql.syntax.ElementVisitor

Overrides:

visit in class org.apache.jena.sparql.syntax.ElementVisitorBase

visit

public void visit(org.apache.jena.sparql.syntax.ElementTriplesBlock el)

Specified by:

visit in interface org.apache.jena.sparql.syntax.ElementVisitor

Overrides:

visit in class org.apache.jena.sparql.syntax.ElementVisitorBase

visit

public void visit(org.apache.jena.sparql.syntax.ElementPathBlock el)

Specified by:

visit in interface org.apache.jena.sparql.syntax.ElementVisitor

Overrides:

visit in class org.apache.jena.sparql.syntax.ElementVisitorBase

visit

public void visit(org.apache.jena.sparql.syntax.ElementUnion el)

Specified by:

visit in interface org.apache.jena.sparql.syntax.ElementVisitor

Overrides:

visit in class org.apache.jena.sparql.syntax.ElementVisitorBase

visit

public void visit(org.apache.jena.sparql.syntax.ElementFilter el)

Specified by:

visit in interface org.apache.jena.sparql.syntax.ElementVisitor

Overrides:

visit in class org.apache.jena.sparql.syntax.ElementVisitorBase

getUnionCount

public int getUnionCount()

getOptionalCount

public int getOptionalCount()

getFilterCount

public int getFilterCount()

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception