org.apache.clerezza.rdf.virtuoso.storage.access

Class DataAccess

java.lang.Object

org.apache.clerezza.rdf.virtuoso.storage.access.DataAccess

public class DataAccess
extends Object

Author:

enridaga

Method Summary

Methods

Modifier and Type	Method and Description
void	clearGraph(String graph)
void	close()
void	deleteQuad(String graph, Triple triple)
Object	executeSparqlQuery(String query, UriRef defaultGraphUri) This is to execute SPARQL queries.
Iterator<Triple>	filter(String graph, NonLiteral subject, UriRef predicate, Resource object)
void	insertQuad(String graph, Triple triple)
Set<UriRef>	listGraphs()
boolean	performAddPlanB(String graph, Triple triple) Deprecated.
int	size(String graph)

Methods inherited from class java.lang.Object

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

Method Detail

close

public void close()

insertQuad

public void insertQuad(String graph,
              Triple triple)

deleteQuad

public void deleteQuad(String graph,
              Triple triple)

listGraphs

public Set<UriRef> listGraphs()

clearGraph

public void clearGraph(String graph)

filter

public Iterator<Triple> filter(String graph,
                      NonLiteral subject,
                      UriRef predicate,
                      Resource object)

size

public int size(String graph)

performAddPlanB

@Deprecated
public boolean performAddPlanB(String graph,
                                 Triple triple)

Deprecated.

The following private methods are used to support the triple addition plan B XXX This is deprecated. Discussion at CLEREZZA-908

executeSparqlQuery

public Object executeSparqlQuery(String query,
                        UriRef defaultGraphUri)

This is to execute SPARQL queries.

Parameters:

query -

defaultGraphUri -

Returns: