org.dllearner.kb.aquisitors

Class TupleAquisitor

java.lang.Object

org.dllearner.kb.aquisitors.TupleAquisitor

Direct Known Subclasses:

SparqlTupleAquisitor

public abstract class TupleAquisitor
extends Object

Typed SPARQL query interface. The typing means that they all have the same input and the same output: They are fn: resource -> ( a | b ) where a normally is a predicate and b an object

Author:

Sebastian Hellmann

Field Summary

Fields

Modifier and Type	Field and Description
protected int	CLASS_INFORMATION
protected int	CLASSES_FOR_INSTANCES
boolean	dissolveBlankNodes
protected int	mode
protected int	NORMAL
protected boolean	uriDebugCheck

Constructor Summary

Constructors

Constructor and Description
TupleAquisitor()

Method Summary

Modifier and Type	Method and Description
protected boolean	checkURIforValidity(String uri)
protected abstract void	disambiguateBlankNodes(String uri, SortedSet<RDFNodeTuple> resultSet)
abstract SortedSet<RDFNodeTuple>	getBlankNode(int id)
int	getMode()
SortedSet<RDFNodeTuple>	getTupelForResource(String uri)
boolean	isDissolveBlankNodes() TODO: this function is still used somewhere, but should be replaced
abstract SortedSet<RDFNodeTuple>	retrieveClassesForInstances(String uri)
abstract SortedSet<RDFNodeTuple>	retrieveTupel(String uri)
abstract SortedSet<RDFNodeTuple>	retrieveTuplesForClassesOnly(String uri)
void	setNextTaskToClassesForInstances()
void	setNextTaskToClassInformation()
void	setNextTaskToNormal()

Methods inherited from class java.lang.Object

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

Field Detail

NORMAL

protected final int NORMAL

See Also:

Constant Field Values

CLASSES_FOR_INSTANCES

protected final int CLASSES_FOR_INSTANCES

See Also:

Constant Field Values

CLASS_INFORMATION

protected final int CLASS_INFORMATION

See Also:

Constant Field Values

mode

protected int mode

uriDebugCheck

protected boolean uriDebugCheck

dissolveBlankNodes

public boolean dissolveBlankNodes

Constructor Detail

TupleAquisitor

public TupleAquisitor()

Method Detail

isDissolveBlankNodes

public boolean isDissolveBlankNodes()

TODO: this function is still used somewhere, but should be replaced

Returns:

whether blank nodes are dissolved

getTupelForResource

public final SortedSet<RDFNodeTuple> getTupelForResource(String uri)

retrieveTupel

public abstract SortedSet<RDFNodeTuple> retrieveTupel(String uri)

retrieveClassesForInstances

public abstract SortedSet<RDFNodeTuple> retrieveClassesForInstances(String uri)

retrieveTuplesForClassesOnly

public abstract SortedSet<RDFNodeTuple> retrieveTuplesForClassesOnly(String uri)

disambiguateBlankNodes

protected abstract void disambiguateBlankNodes(String uri,
                                               SortedSet<RDFNodeTuple> resultSet)

getBlankNode

public abstract SortedSet<RDFNodeTuple> getBlankNode(int id)

getMode

public int getMode()

setNextTaskToNormal

public void setNextTaskToNormal()

setNextTaskToClassesForInstances

public void setNextTaskToClassesForInstances()

setNextTaskToClassInformation

public void setNextTaskToClassInformation()

checkURIforValidity

protected boolean checkURIforValidity(String uri)