Java Code Examples for org.openrdf.repository.RepositoryConnection#add()
The following examples show how to use
org.openrdf.repository.RepositoryConnection#add() .
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Example 1
| Source File: TestTicket348.java From database with GNU General Public License v2.0 | 6 votes |
|
private void addDuringQueryExec(final RepositoryConnection conn,
final Resource subj, final URI pred, final Value obj,
final Resource... ctx) throws RepositoryException,
MalformedQueryException, QueryEvaluationException {
final TupleQuery tq = conn.prepareTupleQuery(QueryLanguage.SPARQL,
"select distinct ?s ?p ?o where{?s ?p ?t . ?t <http://www.w3.org/2000/01/rdf-schema#subClassOf> ?o }"
);
tq.setBinding("s", subj);
tq.setBinding("p", pred);
tq.setBinding("o", obj);
final TupleQueryResult tqr = tq.evaluate();
try {
if (!tqr.hasNext()) {
conn.add(subj, pred, obj, ctx);
}
} finally {
tqr.close();
}
}
Example 2
| Source File: CRUDTest.java From anno4j with Apache License 2.0 | 6 votes |
|
/**
* Tests retrieving resources with a more general type than specified in the repository.
*/
@Test
public void testReadGeneralType() throws Exception {
// Create an Anno4j instance and get its repository connection for direct triple access:
Anno4j anno4j = new Anno4j(new SailRepository(new MemoryStore()), null, false);
RepositoryConnection repoConnection = anno4j.getRepository().getConnection();
// Add some triples to the repository:
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:p1"),
new URIImpl(RDF.TYPE),
new URIImpl(FOAF.PERSON)));
ResourceObject p = anno4j.findByID(Person.class, "urn:anno4j_test:p1");
assertNotNull(p);
p = anno4j.findByID(Agent.class, "urn:anno4j_test:p1");
assertNotNull(p);
p = anno4j.findByID(ResourceObject.class, "urn:anno4j_test:p1");
assertNotNull(p);
}
Example 3
| Source File: CustomSesameDataset.java From GeoTriples with Apache License 2.0 | 6 votes |
|
/**
* Load data in specified graph (use default graph if contexts is null)
*
* @param filePath
* @param format
* @param contexts
* @throws RepositoryException
* @throws IOException
* @throws RDFParseException
*/
public void loadDataFromFile(String filePath, RDFFormat format,
Resource... contexts) throws RepositoryException,
RDFParseException, IOException {
RepositoryConnection con = null;
try {
con = currentRepository.getConnection();
// upload a file
File f = new File(filePath);
con.add(f, null, format, contexts);
} finally {
try {
con.close();
} catch (RepositoryException e) {
e.printStackTrace();
}
}
}
Example 4
| Source File: TestTicket967.java From database with GNU General Public License v2.0 | 6 votes |
|
private void addDuringQueryExec(final RepositoryConnection conn,
final Resource subj, final URI pred, final Value obj,
final Resource... ctx) throws RepositoryException,
MalformedQueryException, QueryEvaluationException {
final TupleQuery tq = conn.prepareTupleQuery(QueryLanguage.SPARQL,
"select distinct ?s ?p ?o where{?s ?p ?t . ?t <http://www.w3.org/2000/01/rdf-schema#subClassOf> ?o }"
);
tq.setBinding("s", subj);
tq.setBinding("p", pred);
tq.setBinding("o", obj);
final TupleQueryResult tqr = tq.evaluate();
try {
if (!tqr.hasNext()) {
conn.add(subj, pred, obj, ctx);
}
} finally {
tqr.close();
}
}
Example 5
| Source File: SesameTransformationRepairPosLength.java From trainbenchmark with Eclipse Public License 1.0 | 6 votes |
|
@Override
public void activate(final Collection<SesamePosLengthMatch> matches) throws RepositoryException {
final RepositoryConnection con = driver.getConnection();
final ValueFactory vf = driver.getValueFactory();
final URI lengthProperty = vf.createURI(BASE_PREFIX + LENGTH);
for (final SesamePosLengthMatch match : matches) {
final Resource segment = match.getSegment();
final Value length = match.getLength();
final RepositoryResult<Statement> statementsToRemove = con.getStatements(segment, lengthProperty, length, true);
while (statementsToRemove.hasNext()) {
final Statement oldStatement = statementsToRemove.next();
con.remove(oldStatement);
}
final Integer lengthInteger = new Integer(length.stringValue());
final Integer newLengthInteger = -lengthInteger + 1;
final Literal newLength = vf.createLiteral(newLengthInteger);
final Statement newStatement = vf.createStatement(segment, lengthProperty, newLength);
con.add(newStatement);
}
}
Example 6
| Source File: LoadPdb.java From database with GNU General Public License v2.0 | 5 votes |
|
public static void loadSomeDataFromADocument(Repository repo, String documentPath) throws Exception {
int counter = 0;
File file = new File(documentPath);
StatementCollector collector = new StatementCollector();
InputStream in = new FileInputStream(file);
try {
final RDFParser parser = RDFParserRegistry.getInstance()
.get(RDFFormat.RDFXML).getParser();
parser.setRDFHandler(collector);
parser.parse(in, file.toURI().toString());
} finally {
in.close();
}
RepositoryConnection cxn = repo.getConnection();
cxn.setAutoCommit(false);
Statement stmt = null;
try {
for (Iterator<Statement> i = collector.getStatements().iterator(); i.hasNext();) {
stmt = i.next();
cxn.add(stmt);
counter++;
}
LOG.info("Loaded " + counter + " triples");
cxn.commit();
} catch (Exception e) {
LOG.error("error inserting statement: " + stmt, e);
cxn.rollback();
} finally {
cxn.close();
}
}
Example 7
| Source File: PropertyTest.java From anno4j with Apache License 2.0 | 5 votes |
|
@Override
protected void setUp() throws Exception {
enableLogging(ClassResolver.class);
super.setUp();
factory = (ObjectRepository) repository;
RepositoryConnection conn = repository.getConnection();
conn.add(getClass().getResourceAsStream("/testcases/sesame-foaf.rdf"), "",
RDFFormat.RDFXML);
conn.close();
this.manager = factory.getConnection();
}
Example 8
| Source File: TestTicket355.java From database with GNU General Public License v2.0 | 5 votes |
|
private void executeQuery(final SailRepository repo)
throws RepositoryException, MalformedQueryException,
QueryEvaluationException, RDFParseException, IOException,
RDFHandlerException {
try {
repo.initialize();
final RepositoryConnection conn = repo.getConnection();
conn.setAutoCommit(false);
try {
final ValueFactory vf = conn.getValueFactory();
conn.add(vf.createURI("os:subject"), vf.createURI("os:prop"), vf.createLiteral("value"));
conn.commit();
String query = "SELECT ?subj WHERE { "
+ "?subj <os:prop> ?val . "
+ "FILTER(STR(?val) != ?arg)}";
TupleQuery tq = conn.prepareTupleQuery(QueryLanguage.SPARQL, query);
tq.setBinding("arg", vf.createLiteral("notValue"));
TupleQueryResult tqr = tq.evaluate();
assertTrue(tqr.hasNext());
tqr.close();
} finally {
conn.close();
}
} finally {
repo.shutDown();
}
}
Example 9
| Source File: DavidsTestBOps.java From database with GNU General Public License v2.0 | 5 votes |
|
private void load ( RepositoryConnection rc, String kb, Resource g )
throws RepositoryException, RDFParseException, IOException
{
rc.add ( new ByteArrayInputStream ( kb.toString ().getBytes ( "UTF-8" ) )
, "http://xyz.com/test"
, RDFFormat.TURTLE
, g
) ;
rc.commit () ;
}
Example 10
| Source File: TestRDFSInverseInferencer.java From semweb4j with BSD 2-Clause "Simplified" License | 5 votes |
|
@Test
public void testStrangeBug() throws RepositoryException {
// create a Sail stack
Sail sail = new MemoryStore();
sail = new ForwardChainingRDFSPlusInverseInferencer(sail);
// create a Repository
Repository repository = new SailRepository(sail);
try {
repository.initialize();
} catch (RepositoryException e) {
throw new RuntimeException(e);
}
URI p = new URIImpl("urn:rel:p");
URI q = new URIImpl("urn:rel:q");
URI nrlInverse = ForwardChainingRDFSPlusInverseInferencerConnection.NRL_InverseProperty;
URI defaultContext = null; // new Resource[0]
RepositoryConnection con = repository.getConnection();
// add p-hasInverse-q
con.add(p, nrlInverse, q, defaultContext);
assertTrue("just added p-haInv-q, should stil be there",
con.hasStatement(p, nrlInverse, q, true, defaultContext) );
assertTrue("expect inferred stmt: q-hasInv-p",
con.hasStatement(q, nrlInverse, p, true, defaultContext) );
// add (redundant) inverse stmt: q-hasInv-p
con.add(q, nrlInverse, p, defaultContext);
assertTrue("added p-haInv-q, should stil be there",
con.hasStatement(p, nrlInverse, q, true, defaultContext) );
assertTrue( con.hasStatement(p, nrlInverse, q, true, defaultContext) );
assertTrue("added q-hasInv-p, should still be there",
con.hasStatement(q, nrlInverse, p, true, defaultContext) );
}
Example 11
| Source File: SesameTransformationRepairSemaphoreNeighbor.java From trainbenchmark with Eclipse Public License 1.0 | 5 votes |
|
@Override
public void activate(final Collection<SesameSemaphoreNeighborMatch> matches) throws RepositoryException {
final RepositoryConnection con = driver.getConnection();
final ValueFactory vf = driver.getValueFactory();
final URI entry = vf.createURI(BASE_PREFIX + ENTRY);
for (final SesameSemaphoreNeighborMatch match : matches) {
final Resource route2 = match.getRoute2();
final Resource semaphore = match.getSemaphore();
con.add(route2, entry, semaphore);
}
}
Example 12
| Source File: RdfIndexerService.java From attic-polygene-java with Apache License 2.0 | 5 votes |
|
private void indexEntityState( final EntityState entityState,
final RepositoryConnection connection
)
throws RepositoryException
{
if( entityState.entityDescriptor().queryable() )
{
EntityReference reference = entityState.entityReference();
final URI entityURI = stateSerializer.createEntityURI( getValueFactory(), reference);
Graph graph = new GraphImpl();
stateSerializer.serialize( entityState, false, graph );
connection.add( graph, entityURI );
}
}
Example 13
| Source File: TestTicket2043b.java From database with GNU General Public License v2.0 | 5 votes |
|
public void testBug() throws Exception {
final BigdataSail sail = getSail();
try {
BigdataSailRepository repo = new BigdataSailRepository(sail);
try {
repo.initialize();
final RepositoryConnection conn = repo.getConnection();
conn.setAutoCommit(false);
try {
conn.add(getClass().getResourceAsStream("TestTicket2043.n3"), "",
RDFFormat.TURTLE);
conn.commit();
// Check existing int literal
executeQuery(conn, "1", 2);
// Check not existing int literal
executeQuery(conn, "2", 0);
// Check not existing plain literal
executeQuery(conn, "\"3\"", 0);
// Check not existing boolean literal
executeQuery(conn, "true", 0);
// Check not existing datetime literal
executeQuery(conn, "\"2000-01-01T00:00:00Z\"^^xsd:dateTime", 0);
} finally {
conn.close();
}
} finally {
repo.shutDown();
}
} finally {
sail.__tearDownUnitTest();
}
}
Example 14
| Source File: CustomSesameDataset.java From GeoTriples with Apache License 2.0 | 5 votes |
|
public void loadDataFromURL(String stringURL) throws RepositoryException, RDFParseException, IOException {
RepositoryConnection con = null;
try {
con = currentRepository.getConnection();
// upload a URL
URL url = new URL(stringURL);
con.add(url, null, RDFFormat.TURTLE);
} finally {
try {
con.close();
} catch (RepositoryException e) {
e.printStackTrace();
}
}
}
Example 15
| Source File: Utils.java From blazegraph-samples with GNU General Public License v2.0 | 5 votes |
|
public static void loadDataFromResources(Repository repo, String resource, String baseURL)
throws OpenRDFException, IOException {
RepositoryConnection cxn = repo.getConnection();
try {
cxn.begin();
try {
InputStream is = SampleBlazegraphCustomFunctionEmbedded.class.getClassLoader().getResourceAsStream(resource);
if (is == null) {
throw new IOException("Could not locate resource: " + resource);
}
Reader reader = new InputStreamReader(new BufferedInputStream(is));
try {
cxn.add(reader, baseURL, RDFFormat.N3);
} finally {
reader.close();
}
cxn.commit();
} catch (OpenRDFException ex) {
cxn.rollback();
throw ex;
}
} finally {
// close the repository connection
cxn.close();
}
}
Example 16
| Source File: TestBOpUtility.java From database with GNU General Public License v2.0 | 4 votes |
|
public void testOpenWorldEq() throws Exception {
final Sail sail = new MemoryStore();
final Repository repo = new SailRepository(sail);
repo.initialize();
final RepositoryConnection cxn = repo.getConnection();
try {
final ValueFactory vf = sail.getValueFactory();
final URI mike = vf.createURI(BD.NAMESPACE + "mike");
final URI age = vf.createURI(BD.NAMESPACE + "age");
final Literal mikeAge = vf.createLiteral(34);
cxn.add(vf.createStatement(mike, RDF.TYPE, RDFS.RESOURCE));
cxn.add(vf.createStatement(mike, age, mikeAge));
final String query =
"select * " +
"where { " +
" ?s ?p ?o . " +
" filter (?o < 40) " +
"}";
final TupleQuery tupleQuery =
cxn.prepareTupleQuery(QueryLanguage.SPARQL, query);
final TupleQueryResult result = tupleQuery.evaluate();
while (result.hasNext()) {
final BindingSet tmp = result.next();
if(log.isInfoEnabled())
log.info(tmp.toString());
}
} finally {
cxn.close();
repo.shutDown();
}
}
Example 17
| Source File: TestMaterialization.java From database with GNU General Public License v2.0 | 4 votes |
|
public void testXsdStr() throws Exception {
final BigdataSail sail = getSail();
try {
sail.initialize();
final BigdataSailRepository repo = new BigdataSailRepository(sail);
final RepositoryConnection cxn = repo.getConnection();
try {
cxn.setAutoCommit(false);
final ValueFactory vf = sail.getValueFactory();
/*
* Create some terms.
*/
final URI X = vf.createURI(BD.NAMESPACE + "X");
final Literal label = vf.createLiteral("John");
/*
* Create some statements.
*/
cxn.add(X, RDF.TYPE, RDFS.RESOURCE);
cxn.add(X, RDFS.LABEL, label);
/*
* Note: The either flush() or commit() is required to flush the
* statement buffers to the database before executing any operations
* that go around the sail.
*/
cxn.commit();
if (log.isInfoEnabled()) {
log.info(((BigdataSailRepositoryConnection) cxn).getTripleStore().dumpStore());
}
{
String query =
"select * where { ?s ?p ?o . FILTER (xsd:string(?o) = \""+RDF.PROPERTY+"\"^^xsd:string) }";
final SailTupleQuery tupleQuery = (SailTupleQuery)
cxn.prepareTupleQuery(QueryLanguage.SPARQL, query);
tupleQuery.setIncludeInferred(true /* includeInferred */);
if (log.isInfoEnabled()) {
log.info(query);
final TupleQueryResult result = tupleQuery.evaluate();
if (result.hasNext()) {
while (result.hasNext())
log.info(result.next());
} else {
fail("expecting result from the vocab");
}
}
// final Collection<BindingSet> answer = new LinkedList<BindingSet>();
// answer.add(createBindingSet(
// new BindingImpl("a", paul),
// new BindingImpl("b", mary)
// ));
// answer.add(createBindingSet(
// new BindingImpl("a", brad),
// new BindingImpl("b", john)
// ));
//
// final TupleQueryResult result = tupleQuery.evaluate();
// compare(result, answer);
}
} finally {
cxn.close();
}
} finally {
if (sail instanceof BigdataSail)
((BigdataSail)sail).__tearDownUnitTest();//shutDown();
}
}
Example 18
| Source File: TestSingleTailRule.java From database with GNU General Public License v2.0 | 4 votes |
|
public void testOptionalFilter()
throws Exception
{
final BigdataSail sail = getSail();
final BigdataSailRepository repo = new BigdataSailRepository(sail);
// final Sail sail = new MemoryStore();
// final Repository repo = new SailRepository(sail);
repo.initialize();
final RepositoryConnection cxn = repo.getConnection();
cxn.setAutoCommit(false);
try {
final ValueFactory vf = sail.getValueFactory();
URI s = vf.createURI("urn:test:s");
URI p1 = vf.createURI("urn:test:p1");
URI p2 = vf.createURI("urn:test:p2");
Literal v1 = vf.createLiteral(1);
Literal v2 = vf.createLiteral(2);
Literal v3 = vf.createLiteral(3);
cxn.add(s, p1, v1);
cxn.add(s, p2, v2);
cxn.add(s, p1, v3);
cxn.commit();
String qry =
"PREFIX :<urn:test:> " +
"SELECT ?s ?v1 ?v2 " +
"WHERE { " +
" ?s :p1 ?v1 . " +
" OPTIONAL {?s :p2 ?v2 FILTER(?v1 < 3) } " +
"}";
TupleQuery query = cxn.prepareTupleQuery(QueryLanguage.SPARQL, qry);
TupleQueryResult result = query.evaluate();
// while (result.hasNext()) {
// System.err.println(result.next());
// }
Collection<BindingSet> solution = new LinkedList<BindingSet>();
solution.add(createBindingSet(new Binding[] {
new BindingImpl("s", s),
new BindingImpl("v1", v1),
new BindingImpl("v2", v2),
}));
solution.add(createBindingSet(new Binding[] {
new BindingImpl("s", s),
new BindingImpl("v1", v3),
}));
compare(result, solution);
} finally {
cxn.close();
if (sail instanceof BigdataSail)
((BigdataSail)sail).__tearDownUnitTest();
}
}
Example 19
| Source File: CRUDTest.java From anno4j with Apache License 2.0 | 4 votes |
|
/**
* Tests the triples contained in the repository after updating property values via resource objects.
*/
@Test
public void testUpdate() throws Exception {
// Create an Anno4j instance and get its repository connection for direct triple access:
Anno4j anno4j = new Anno4j(new SailRepository(new MemoryStore()), null, false);
RepositoryConnection repoConnection = anno4j.getRepository().getConnection();
// Add some triples to the repository:
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:p1"),
new URIImpl(RDF.TYPE),
new URIImpl(FOAF.PERSON)));
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:p1"),
new URIImpl(FOAF.MBOX),
new LiteralImpl("[email protected]")));
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:a1"),
new URIImpl(RDF.TYPE),
new URIImpl(OADM.ANNOTATION)));
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:a1"),
new URIImpl(OADM.BODY_TEXT),
new LiteralImpl("Text 1")));
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:a1"),
new URIImpl(OADM.BODY_TEXT),
new LiteralImpl("Text 2")));
// Modified single-valued property of p1:
Person p1 = anno4j.findByID(Person.class, "urn:anno4j_test:p1");
p1.setMbox("[email protected]");
// Get all triples with p1 as subject. There should be exavtly two (rdf:type and new foaf:mbox):
Collection<Statement> p1Statements = getStatements(repoConnection, new URIImpl("urn:anno4j_test:p1"), null, null);
assertEquals(2, p1Statements.size());
assertTrue(p1Statements.contains(new StatementImpl(new URIImpl("urn:anno4j_test:p1"),
new URIImpl(RDF.TYPE),
new URIImpl(FOAF.PERSON))));
assertTrue(p1Statements.contains(new StatementImpl(new URIImpl("urn:anno4j_test:p1"),
new URIImpl(FOAF.MBOX),
new LiteralImpl("[email protected]"))));
// Modify multi-valued property of a1:
Annotation a1 = anno4j.findByID(Annotation.class, "urn:anno4j_test:a1");
a1.setBodyTexts(Sets.newHashSet("Text 1"));
// Get the triples with a1 as subject. There should be only two now (rdf:type and the oadm:body_text just set):
Collection<Statement> a1Statements = getStatements(repoConnection, new URIImpl("urn:anno4j_test:a1"), null, null);
assertEquals(2, a1Statements.size());
assertTrue(a1Statements.contains(new StatementImpl(new URIImpl("urn:anno4j_test:a1"),
new URIImpl(RDF.TYPE),
new URIImpl(OADM.ANNOTATION))));
assertTrue(a1Statements.contains(new StatementImpl(new URIImpl("urn:anno4j_test:a1"),
new URIImpl(OADM.BODY_TEXT),
new LiteralImpl("Text 1"))));
}
Example 20
| Source File: CRUDTest.java From anno4j with Apache License 2.0 | 4 votes |
|
/**
* Tests deletion of resource objects and its effect on the repository.
*/
@Test
public void testDelete() throws Exception {
// Create an Anno4j instance and get its repository connection for direct triple access:
Anno4j anno4j = new Anno4j(new SailRepository(new MemoryStore()), null, false);
RepositoryConnection repoConnection = anno4j.getRepository().getConnection();
// Add some triples to the repository:
/*
Persisted triples:
:p1 a foaf:Person ;
foaf:mbox "[email protected]" .
:a1 a oadm:Annotation ;
oadm:bodyText "Text 1", "Text 2" ;
schema:audience :b1, :b2 .
:b1 a schema:Audience .
*/
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:p1"),
new URIImpl(RDF.TYPE),
new URIImpl(FOAF.PERSON)));
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:p1"),
new URIImpl(FOAF.MBOX),
new LiteralImpl("[email protected]")));
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:a1"),
new URIImpl(RDF.TYPE),
new URIImpl(OADM.ANNOTATION)));
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:a1"),
new URIImpl(OADM.BODY_TEXT),
new LiteralImpl("Text 1")));
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:a1"),
new URIImpl(OADM.BODY_TEXT),
new LiteralImpl("Text 2")));
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:a1"),
new URIImpl(SCHEMA.AUDIENCE_RELATIONSHIP),
new URIImpl("urn:anno4j_test:b1")));
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:a1"),
new URIImpl(SCHEMA.AUDIENCE_RELATIONSHIP),
new URIImpl("urn:anno4j_test:b2")));
repoConnection.add(new StatementImpl(new URIImpl("urn:anno4j_test:b1"),
new URIImpl(RDF.TYPE),
new URIImpl(SCHEMA.AUDIENCE_CLASS)));
// Test that all triples are removed:
Person p1 = anno4j.findByID(Person.class, "urn:anno4j_test:p1");
p1.delete();
Collection<Statement> p1Statements = getStatements(repoConnection, new URIImpl("urn:anno4j_test:p1"), null, null);
assertEquals(0, p1Statements.size());
// Test that all triples are removed that have a1 as subject. b1 should be still retrievable:
Annotation a1 = anno4j.findByID(Annotation.class, "urn:anno4j_test:a1");
a1.delete();
Collection<Statement> a1Statements = getStatements(repoConnection, new URIImpl("urn:anno4j_test:a1"), null, null);
assertEquals(0, a1Statements.size());
Audience b1 = anno4j.findByID(Audience.class, "urn:anno4j_test:b1");
assertNotNull(b1);
// After removing :b1 the repository should be empty. :b2 is removed because it didn't occur as a subject:
b1.delete();
Collection<Statement> allStatements = getStatements(repoConnection);
assertEquals(0, allStatements.size());
}
