Examples with URI org.openrdf.model.URI used on opensource projects

Example 61 with URI

use of org.openrdf.model.URI in project blueprints by tinkerpop.

the class PropertyGraphSailConnection method getStatements_xxO.

private CloseableIteration<Statement, SailException> getStatements_xxO(final Value object) throws SailException {
    if (object instanceof URI) {
        Vertex v = vertexForURI((URI) object);
        if (null == v) {
            if (object.equals(PropertyGraphSail.VERTEX)) {
                Source<Vertex> vertices = new Source<Vertex>(context.graph.getVertices().iterator(), vertexTypes);
                return new StatementIteration(vertices);
            } else if (object.equals(PropertyGraphSail.EDGE) && firstClassEdges) {
                Source<Edge> edges = new Source<Edge>(context.graph.getEdges().iterator(), edgeTypes);
                return new StatementIteration(edges);
            } else {
                return new StatementIteration();
            }
        } else {
            if (firstClassEdges) {
                Source<Edge> ins = new Source<Edge>(v.getEdges(Direction.IN).iterator(), heads);
                Source<Edge> outs = new Source<Edge>(v.getEdges(Direction.OUT).iterator(), tails);
                return new StatementIteration(ins, outs);
            } else {
                Source<Vertex> s = new Source<Vertex>(new SingleItemIterator<Vertex>(v), allInRelations);
                return new StatementIteration(s);
            }
        }
    } else {
        Object val = literalToObject(object);
        if (null == val) {
            return new StatementIteration();
        } else {
            Collection<Source> sources = new LinkedList<Source>();
            // id
            {
                Vertex v = context.graph.getVertex(val);
                if (null != v) {
                    sources.add(new Source<Vertex>(new SingleItemIterator<Vertex>(v), vertexIds));
                }
                if (firstClassEdges) {
                    Edge e = context.graph.getEdge(val);
                    if (null != e) {
                        sources.add(new Source<Edge>(new SingleItemIterator<Edge>(e), edgeIds));
                    }
                }
            }
            // label
            if (firstClassEdges) {
                // TODO: find matching edges faster using indices
                if (val instanceof String) {
                    Source<Edge> s = new Source<Edge>(context.graph.getEdges().iterator(), matchingLabels((String) val, object));
                    sources.add(s);
                }
            }
            // properties
            {
                // TODO: find matching vertices and edges faster using indices
                Source<Vertex> vertices = new Source<Vertex>(context.graph.getVertices().iterator(), vertexPropertiesWithValue(val, (Literal) object));
                sources.add(vertices);
                if (firstClassEdges) {
                    Source<Edge> edges = new Source<Edge>(context.graph.getEdges().iterator(), edgePropertiesWithValue(val, (Literal) object));
                    sources.add(edges);
                }
            }
            if (sources.size() > 0) {
                Source[] s = new Source[sources.size()];
                sources.toArray(s);
                return new StatementIteration(s);
            } else {
                return new StatementIteration();
            }
        }
    }
}

Example 62 with URI

use of org.openrdf.model.URI in project blueprints by tinkerpop.

the class PropertyGraphSailConnection method getStatements_SxO.

private CloseableIteration<Statement, SailException> getStatements_SxO(final Resource subject, final Value object) throws SailException {
    if (subject instanceof URI) {
        Collection<Source> sources = new LinkedList<Source>();
        Vertex v = vertexForURI((URI) subject);
        Edge e = edgeForURI((URI) subject);
        Object val = literalToObject(object);
        Vertex vObj = object instanceof URI ? vertexForURI((URI) object) : null;
        // vertex id
        if (null != val && null != v) {
            if (v.getId().equals(val)) {
                Source<Vertex> s = new Source<Vertex>(new SingleItemIterator<Vertex>(v), vertexIds);
                sources.add(s);
            }
        }
        // vertex type
        if (null != v && object instanceof URI && ((URI) object).equals(PropertyGraphSail.VERTEX)) {
            Source<Vertex> s = new Source<Vertex>(new SingleItemIterator<Vertex>(v), vertexTypes);
            sources.add(s);
        }
        // vertex properties
        if (null != val && null != v) {
            Source<Vertex> vertices = new Source<Vertex>(new SingleItemIterator<Vertex>(v), vertexPropertiesWithValue(val, (Literal) object));
            sources.add(vertices);
        }
        if (firstClassEdges) {
            // edge id
            if (null != val && null != e) {
                if (e.getId().equals(val)) {
                    Source<Edge> s = new Source<Edge>(new SingleItemIterator<Edge>(e), edgeIds);
                    sources.add(s);
                }
            }
            // label
            if (null != val && (val instanceof String)) {
                if (null != e && e.getLabel().equals(val)) {
                    Source<Edge> s = new Source<Edge>(new SingleItemIterator<Edge>(e), labels);
                    sources.add(s);
                }
            }
            // head
            if (null != e && null != vObj && e.getVertex(Direction.IN).equals(vObj)) {
                Source<Edge> s = new Source<Edge>(new SingleItemIterator<Edge>(e), heads);
                sources.add(s);
            }
            // tail
            if (null != e && null != vObj && e.getVertex(Direction.OUT).equals(vObj)) {
                Source<Edge> s = new Source<Edge>(new SingleItemIterator<Edge>(e), tails);
                sources.add(s);
            }
            // edge type
            if (null != e && object instanceof URI && ((URI) object).equals(PropertyGraphSail.VERTEX)) {
                Source<Edge> s = new Source<Edge>(new SingleItemIterator<Edge>(e), edgeTypes);
                sources.add(s);
            }
            // edge properties
            if (null != val && null != e) {
                Source<Edge> edges = new Source<Edge>(new SingleItemIterator<Edge>(e), edgePropertiesWithValue(val, (Literal) object));
                sources.add(edges);
            }
        } else {
            if (null != v && null != vObj) {
                Collection<Edge> edges = new LinkedList<Edge>();
                for (Edge ev : v.getEdges(Direction.OUT)) {
                    if (ev.getVertex(Direction.IN).equals(vObj)) {
                        edges.add(ev);
                    }
                }
                if (edges.size() > 0) {
                    sources.add(new Source<Edge>(edges.iterator(), allEdgeStatements));
                }
            }
        }
        if (sources.size() > 0) {
            Source[] s = new Source[sources.size()];
            sources.toArray(s);
            return new StatementIteration(s);
        } else {
            return new StatementIteration();
        }
    } else {
        return new StatementIteration();
    }
}

Example 63 with URI

use of org.openrdf.model.URI in project frames by tinkerpop.

the class SailFramesTest method testAll.

@Test
public void testAll() throws Exception {
    URI planet = new URIImpl("http://example.org/terms/planet");
    URI gasGiant = new URIImpl("http://example.org/terms/gasGiant");
    URI narrower = new URIImpl("http://www.w3.org/2004/02/skos/core#narrower");
    SailConnection sc = sail.getConnection();
    try {
        sc.begin();
        sc.addStatement(planet, RDFS.LABEL, new LiteralImpl("planet", "en"));
        sc.addStatement(gasGiant, RDFS.LABEL, new LiteralImpl("gas giant", "en"));
        sc.addStatement(planet, narrower, gasGiant);
        sc.commit();
    } finally {
        sc.close();
    }
    Vertex p = sailGraph.getVertex(planet.stringValue());
    FramedGraph<SailGraph> framedGraph = new FramedGraphFactory().create(sailGraph);
    Concept planetFrame = framedGraph.frame(p, Concept.class);
    assertNotNull(planetFrame);
    assertEquals("uri", planetFrame.getKind());
    //assertEquals("...", planetFrame.getValue());
    RDFFrame label = planetFrame.getLabel();
    assertNotNull(label);
    assertEquals("literal", label.getKind());
    assertEquals("en", label.getLang());
    assertEquals("planet", label.getValue());
    Iterable<Concept> narrowerConcepts = planetFrame.getNarrower();
    int counter = 0;
    for (Concept c : narrowerConcepts) {
        counter++;
    }
    assertEquals(counter, 1);
    Concept gasGiantFrame = narrowerConcepts.iterator().next();
    label = gasGiantFrame.getLabel();
    assertEquals("literal", label.getKind());
    assertEquals("en", label.getLang());
    assertEquals("gas giant", label.getValue());
}

Example 64 with URI

use of org.openrdf.model.URI in project blueprints by tinkerpop.

the class SailTest method testBlankNodes.

// blank nodes /////////////////////////////////////////////////////////////
@Test
public void testBlankNodes() throws Throwable {
    URI uriA = sail.getValueFactory().createURI("http://example.org/test/S_POG#a");
    URI uriB = sail.getValueFactory().createURI("http://example.org/test/S_POG#b");
    SailConnection sc = sail.getConnection();
    try {
        sc.begin();
        ValueFactory factory = sail.getValueFactory();
        BNode bNode = factory.createBNode();
        try {
            sc.addStatement(uriA, uriA, bNode);
        } catch (SailException se) {
            // FIXME: not supporting blank nodes ATM
            assertTrue(se.getCause() instanceof UnsupportedOperationException);
        }
        sc.commit();
    } finally {
        sc.rollback();
        sc.close();
    }
}

Example 65 with URI

use of org.openrdf.model.URI in project blueprints by tinkerpop.

the class SailTest method testGetLiteralsFromTripleStore.

@Test
public void testGetLiteralsFromTripleStore() throws Exception {
    Literal l;
    String prefix = "urn:com.tinkerpop.blueprints.pgm.oupls.sail.test/";
    XMLGregorianCalendar calendar;
    ValueFactory vf = sail.getValueFactory();
    SailConnection sc = sail.getConnection();
    // Get an actual plain literal from the triple store.
    URI ford = vf.createURI(prefix + "ford");
    l = (Literal) toSet(sc.getStatements(ford, RDFS.COMMENT, null, false)).iterator().next().getObject();
    assertNotNull(l);
    assertNull(l.getLanguage());
    assertEquals("he really knows where his towel is", l.getLabel());
    assertNull(l.getDatatype());
    URI thor = vf.createURI(prefix + "thor");
    // Get an actual language-tagged literal from the triple store.
    URI foafName = vf.createURI("http://xmlns.com/foaf/0.1/name");
    Iterator<Statement> iter = toSet(sc.getStatements(thor, foafName, null, false)).iterator();
    boolean found = false;
    while (iter.hasNext()) {
        l = (Literal) iter.next().getObject();
        if (l.getLanguage().equals("en")) {
            found = true;
            assertEquals("Thor", l.getLabel());
            assertNull(l.getDatatype());
        }
    // if (l.getLanguage().equals("is")) {
    // found = true;
    // assertEquals("?�r", l.getLabel());
    // }
    }
    assertTrue(found);
    // Get an actual data-typed literal from the triple-store.
    URI msnChatID = vf.createURI("http://xmlns.com/foaf/0.1/msnChatID");
    l = (Literal) toSet(sc.getStatements(thor, msnChatID, null, false)).iterator().next().getObject();
    assertNotNull(l);
    assertNull(l.getLanguage());
    assertEquals("Thorster123", l.getLabel());
    assertEquals(XMLSchema.STRING, l.getDatatype());
    // Test Literal.xxxValue() methods for Literals read from the triple
    // store
    URI valueUri, hasValueUri;
    hasValueUri = vf.createURI(prefix + "hasValue");
    valueUri = vf.createURI(prefix + "stringValue");
    l = (Literal) toSet(sc.getStatements(valueUri, hasValueUri, null, false)).iterator().next().getObject();
    assertNotNull(l);
    assertNull(l.getLanguage());
    assertEquals("foo", l.getLabel());
    assertEquals(XMLSchema.STRING, l.getDatatype());
    valueUri = vf.createURI(prefix + "byteValue");
    l = (Literal) toSet(sc.getStatements(valueUri, hasValueUri, null, false)).iterator().next().getObject();
    assertNotNull(l);
    assertNull(l.getLanguage());
    assertEquals("99", l.getLabel());
    assertEquals(XMLSchema.BYTE, l.getDatatype());
    assertEquals((byte) 'c', l.byteValue());
    valueUri = vf.createURI(prefix + "booleanValue");
    l = (Literal) toSet(sc.getStatements(valueUri, hasValueUri, null, false)).iterator().next().getObject();
    assertNotNull(l);
    assertNull(l.getLanguage());
    assertEquals("false", l.getLabel());
    assertEquals(XMLSchema.BOOLEAN, l.getDatatype());
    assertEquals(false, l.booleanValue());
    valueUri = vf.createURI(prefix + "intValue");
    l = (Literal) toSet(sc.getStatements(valueUri, hasValueUri, null, false)).iterator().next().getObject();
    assertNotNull(l);
    assertNull(l.getLanguage());
    assertEquals("42", l.getLabel());
    assertEquals(XMLSchema.INT, l.getDatatype());
    assertEquals(42, l.intValue());
    valueUri = vf.createURI(prefix + "shortValue");
    l = (Literal) toSet(sc.getStatements(valueUri, hasValueUri, null, false)).iterator().next().getObject();
    assertNotNull(l);
    assertNull(l.getLanguage());
    assertEquals("42", l.getLabel());
    assertEquals(XMLSchema.SHORT, l.getDatatype());
    assertEquals((short) 42, l.shortValue());
    valueUri = vf.createURI(prefix + "longValue");
    l = (Literal) toSet(sc.getStatements(valueUri, hasValueUri, null, false)).iterator().next().getObject();
    assertNotNull(l);
    assertNull(l.getLanguage());
    assertEquals("42", l.getLabel());
    assertEquals(XMLSchema.LONG, l.getDatatype());
    assertEquals(42l, l.longValue());
    valueUri = vf.createURI(prefix + "floatValue");
    l = (Literal) toSet(sc.getStatements(valueUri, hasValueUri, null, false)).iterator().next().getObject();
    assertNotNull(l);
    assertNull(l.getLanguage());
    assertEquals("3.1415926", l.getLabel());
    assertEquals(XMLSchema.FLOAT, l.getDatatype());
    assertEquals((float) 3.1415926, l.floatValue());
    valueUri = vf.createURI(prefix + "doubleValue");
    l = (Literal) toSet(sc.getStatements(valueUri, hasValueUri, null, false)).iterator().next().getObject();
    assertNotNull(l);
    assertNull(l.getLanguage());
    assertEquals("3.1415926", l.getLabel());
    assertEquals(XMLSchema.DOUBLE, l.getDatatype());
    assertEquals(3.1415926, l.doubleValue());
    valueUri = vf.createURI(prefix + "dateTimeValue");
    calendar = XMLDatatypeUtil.parseCalendar("2002-10-10T12:00:00-05:00");
    l = (Literal) toSet(sc.getStatements(valueUri, hasValueUri, null, false)).iterator().next().getObject();
    assertNotNull(l);
    assertNull(l.getLanguage());
    assertEquals("2002-10-10T12:00:00-05:00", l.getLabel());
    assertEquals(XMLSchema.DATETIME, l.getDatatype());
    assertEquals(calendar, l.calendarValue());
    sc.rollback();
    sc.close();
}