org.aksw.simba.bengal.selector

Class AbstractSelector

java.lang.Object

org.aksw.simba.bengal.selector.AbstractSelector

All Implemented Interfaces:

TripleSelector

Direct Known Subclasses:

HybridTripleSelector, PathBasedTripleSelector, SimpleSummarySelector

public abstract class AbstractSelector
extends Object
implements TripleSelector

Gets the CBD of a resource

Author:

ngonga

Field Summary

Fields

Modifier and Type	Field and Description
private String	endpoint
private String	graph
private static org.slf4j.Logger	LOGGER
private Set<String>	targetClasses
private boolean	useSymmetricCbd

Constructor Summary

Constructors

Constructor and Description
AbstractSelector(Set<String> targetClasses, String endpoint, String graph)
AbstractSelector(Set<String> targetClasses, String endpoint, String graph, boolean useSymmetricCbd)

Method Summary

Modifier and Type	Method and Description
protected List<org.apache.jena.rdf.model.Statement>	getCBD(org.apache.jena.rdf.model.Resource res, Set<String> targetClasses, String endpoint, String graph) Returns list of triples for a given resource and data source
protected List<org.apache.jena.rdf.model.Resource>	getResources(Set<String> classes) Get all resources that belong to the union of classes and sort them by URI in desceding order
protected List<org.apache.jena.rdf.model.Statement>	getSummary(org.apache.jena.rdf.model.Resource r) Gets a set of statements that summarize a resource r
protected List<org.apache.jena.rdf.model.Statement>	getSymmetricCBD(org.apache.jena.rdf.model.Resource res, Set<String> targetClasses, String endpoint, String graph) Returns list of triples for a given resource and data source
protected void	sortResources(List<org.apache.jena.rdf.model.Resource> resources)
protected void	sortResourcesByHash(List<org.apache.jena.rdf.model.Resource> resources) Deprecated.
protected List<org.apache.jena.rdf.model.Statement>	sortStatements(Set<org.apache.jena.rdf.model.Statement> statements)
protected List<org.apache.jena.rdf.model.Statement>	sortStatements(org.apache.jena.rdf.model.StmtIterator stmtIterator)
protected List<org.apache.jena.rdf.model.Statement>	sortStatementsByHash(Set<org.apache.jena.rdf.model.Statement> statements) Deprecated.
protected List<org.apache.jena.rdf.model.Statement>	sortStatementsByHash(org.apache.jena.rdf.model.StmtIterator stmtIterator) Deprecated.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.aksw.simba.bengal.selector.TripleSelector

getNextStatements

Field Detail

LOGGER

private static final org.slf4j.Logger LOGGER

targetClasses

private Set<String> targetClasses

endpoint

private String endpoint

graph

private String graph

useSymmetricCbd

private boolean useSymmetricCbd

Constructor Detail

AbstractSelector

public AbstractSelector(Set<String> targetClasses,
                        String endpoint,
                        String graph)

AbstractSelector

public AbstractSelector(Set<String> targetClasses,
                        String endpoint,
                        String graph,
                        boolean useSymmetricCbd)

Method Detail

getSymmetricCBD

protected List<org.apache.jena.rdf.model.Statement> getSymmetricCBD(org.apache.jena.rdf.model.Resource res,
                                                                    Set<String> targetClasses,
                                                                    String endpoint,
                                                                    String graph)

Returns list of triples for a given resource and data source

Parameters:

res -

endpoint -

graph -

Returns:

CBD of res

getCBD

protected List<org.apache.jena.rdf.model.Statement> getCBD(org.apache.jena.rdf.model.Resource res,
                                                           Set<String> targetClasses,
                                                           String endpoint,
                                                           String graph)

Returns list of triples for a given resource and data source

Parameters:

res -

endpoint -

graph -

Returns:

CBD of res

sortStatementsByHash

@Deprecated
protected List<org.apache.jena.rdf.model.Statement> sortStatementsByHash(org.apache.jena.rdf.model.StmtIterator stmtIterator)

Deprecated.

Sort statements by hash

Parameters:

stmtIterator - Iterator which is used to get the statements

Returns:

List of statements sorted by hash

sortStatements

protected List<org.apache.jena.rdf.model.Statement> sortStatements(org.apache.jena.rdf.model.StmtIterator stmtIterator)

sortStatements

protected List<org.apache.jena.rdf.model.Statement> sortStatements(Set<org.apache.jena.rdf.model.Statement> statements)

sortStatementsByHash

@Deprecated
protected List<org.apache.jena.rdf.model.Statement> sortStatementsByHash(Set<org.apache.jena.rdf.model.Statement> statements)

Deprecated.

Sort statements by hash

Parameters:

statements - Set of statements

Returns:

List of statements sorted by hash

getResources

protected List<org.apache.jena.rdf.model.Resource> getResources(Set<String> classes)

Get all resources that belong to the union of classes and sort them by URI in desceding order

Parameters:

classes - Set of classes for resources

Returns:

Sorted list of resources from the classes

sortResourcesByHash

@Deprecated
protected void sortResourcesByHash(List<org.apache.jena.rdf.model.Resource> resources)

Deprecated.

sortResources

protected void sortResources(List<org.apache.jena.rdf.model.Resource> resources)

getSummary

protected List<org.apache.jena.rdf.model.Statement> getSummary(org.apache.jena.rdf.model.Resource r)

Gets a set of statements that summarize a resource r

Parameters:

r - A resource

Returns:

Summary (some CBD)