Package edu.cornell.mannlib.vitro.webapp.rdfservice.impl.jena.sdb

Class RDFServiceSDB

java.lang.Object

edu.cornell.mannlib.vitro.webapp.rdfservice.impl.RDFServiceImpl

edu.cornell.mannlib.vitro.webapp.rdfservice.impl.jena.RDFServiceJena

edu.cornell.mannlib.vitro.webapp.rdfservice.impl.jena.sdb.RDFServiceSDB

All Implemented Interfaces:

RDFService

public class RDFServiceSDB
extends RDFServiceJena
implements RDFService

Nested Class Summary

Nested classes/interfaces inherited from interface edu.cornell.mannlib.vitro.webapp.rdfservice.RDFService

RDFService.ModelSerializationFormat, RDFService.ResultFormat, RDFService.SPARQLQueryType

Field Summary

Fields inherited from class edu.cornell.mannlib.vitro.webapp.rdfservice.impl.RDFServiceImpl

defaultWriteGraphURI, graphURIs, isRebuildGraphURICacheRunning, rebuildGraphURICache, registeredJenaListeners, registeredListeners

Constructor Summary

Constructors

Constructor	Description
RDFServiceSDB(Connection conn, org.apache.jena.sdb.StoreDesc storeDesc)
RDFServiceSDB(DataSource dataSource, org.apache.jena.sdb.StoreDesc storeDesc)

Method Summary

Modifier and Type	Method	Description
boolean	changeSetUpdate(ChangeSet changeSet)	Performs a series of additions to and or removals from specified graphs in the RDF store.
void	close()	Frees any resources held by this RDFService object The implementation of this method should be idempotent so that multiple invocations do not cause an error.
long	countTriples(org.apache.jena.rdf.model.RDFNode subject, org.apache.jena.rdf.model.RDFNode predicate, org.apache.jena.rdf.model.RDFNode object)
protected org.apache.jena.query.QueryExecution	createQueryExecution(String queryString, org.apache.jena.query.Query q, org.apache.jena.query.Dataset d)
protected DatasetWrapper	getDatasetWrapper()
org.apache.jena.rdf.model.Model	getTriples(org.apache.jena.rdf.model.RDFNode subject, org.apache.jena.rdf.model.RDFNode predicate, org.apache.jena.rdf.model.RDFNode object, long limit, long offset)
boolean	preferPreciseOptionals()

Methods inherited from class edu.cornell.mannlib.vitro.webapp.rdfservice.impl.jena.RDFServiceJena

applyChangeSetToModel, getGraphMetadata, getVitroRequest, insureThatInputStreamsAreResettable, isEquivalentGraph, isEquivalentGraph, notifyListenersOfPostChangeEvents, notifyListenersOfPreChangeEvents, operateOnModel, rebuildGraphUris, serializeAll, serializeGraph, setVitroRequest, sparqlAskQuery, sparqlConstructQuery, sparqlConstructQuery, sparqlDescribeQuery, sparqlSelectQuery, sparqlSelectQuery

Methods inherited from class edu.cornell.mannlib.vitro.webapp.rdfservice.impl.RDFServiceImpl

createQuery, getDefaultWriteGraphURI, getGraphURIs, getRegisteredJenaModelChangedListeners, getRegisteredListeners, getSerializationFormatString, isPreconditionSatisfied, manufactureChangeSet, newIndividual, newIndividual, notifyListeners, notifyListenersOfChanges, notifyListenersOfEvent, pyString, registerJenaModelChangedListener, registerListener, separateStatementsWithBlankNodes, sparqlNode, sparqlNodeUpdate, sparqlSelectQueryHasResults, sparqlTriple, toString, unregisterJenaModelChangedListener, unregisterListener, updateGraphURIs

Methods inherited from class java.lang.Object

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

Methods inherited from interface edu.cornell.mannlib.vitro.webapp.rdfservice.RDFService

getDefaultWriteGraphURI, getGraphMetadata, getGraphURIs, getVitroRequest, isEquivalentGraph, isEquivalentGraph, manufactureChangeSet, newIndividual, newIndividual, registerJenaModelChangedListener, registerListener, serializeAll, serializeGraph, setVitroRequest, sparqlAskQuery, sparqlConstructQuery, sparqlConstructQuery, sparqlDescribeQuery, sparqlSelectQuery, sparqlSelectQuery, unregisterJenaModelChangedListener, unregisterListener

Constructor Detail

RDFServiceSDB

public RDFServiceSDB(DataSource dataSource,
                     org.apache.jena.sdb.StoreDesc storeDesc)

RDFServiceSDB

public RDFServiceSDB(Connection conn,
                     org.apache.jena.sdb.StoreDesc storeDesc)

Method Detail

getDatasetWrapper

protected DatasetWrapper getDatasetWrapper()

Specified by:

getDatasetWrapper in class RDFServiceJena

changeSetUpdate

public boolean changeSetUpdate(ChangeSet changeSet)
                        throws RDFServiceException

Description copied from interface: RDFService

Performs a series of additions to and or removals from specified graphs in the RDF store. preConditionSparql is executed against the union of all the graphs in the knowledge base before any updates are made. If the precondition query returns a non-empty result, no updates are made made.

Specified by:

changeSetUpdate in interface RDFService

Specified by:

changeSetUpdate in class RDFServiceJena

Parameters:

changeSet - - a set of changes to be performed on the RDF store.

Returns:

boolean - indicates whether the precondition was satisfied

Throws:

RDFServiceException

createQueryExecution

protected org.apache.jena.query.QueryExecution createQueryExecution(String queryString,
                                                                    org.apache.jena.query.Query q,
                                                                    org.apache.jena.query.Dataset d)

Overrides:

createQueryExecution in class RDFServiceJena

countTriples

public long countTriples(org.apache.jena.rdf.model.RDFNode subject,
                         org.apache.jena.rdf.model.RDFNode predicate,
                         org.apache.jena.rdf.model.RDFNode object)
                  throws RDFServiceException

Specified by:

countTriples in interface RDFService

Overrides:

countTriples in class RDFServiceJena

Throws:

RDFServiceException

getTriples

public org.apache.jena.rdf.model.Model getTriples(org.apache.jena.rdf.model.RDFNode subject,
                                                  org.apache.jena.rdf.model.RDFNode predicate,
                                                  org.apache.jena.rdf.model.RDFNode object,
                                                  long limit,
                                                  long offset)
                                           throws RDFServiceException

Specified by:

getTriples in interface RDFService

Overrides:

getTriples in class RDFServiceJena

Throws:

RDFServiceException

preferPreciseOptionals

public boolean preferPreciseOptionals()

Specified by:

preferPreciseOptionals in interface RDFService

Overrides:

preferPreciseOptionals in class RDFServiceJena

close

public void close()

Description copied from interface: RDFService

Frees any resources held by this RDFService object The implementation of this method should be idempotent so that multiple invocations do not cause an error.

Specified by:

close in interface RDFService

Overrides:

close in class RDFServiceJena