Examples with TupleQuery org.openrdf.query.TupleQuery used on opensource projects

Example 71 with TupleQuery

use of org.openrdf.query.TupleQuery in project incubator-rya by apache.

the class RdfCloudTripleStoreConnectionTest method testSameAs.

public void testSameAs() throws Exception {
    if (internalInferenceEngine == null) {
        // infer not supported;
        return;
    }
    RepositoryConnection conn = repository.getConnection();
    conn.add(new StatementImpl(vf.createURI(litdupsNS, "StudentA1"), OWL.SAMEAS, vf.createURI(litdupsNS, "StudentA2")));
    conn.add(new StatementImpl(vf.createURI(litdupsNS, "StudentA2"), OWL.SAMEAS, vf.createURI(litdupsNS, "StudentA3")));
    conn.add(new StatementImpl(vf.createURI(litdupsNS, "StudentB1"), OWL.SAMEAS, vf.createURI(litdupsNS, "StudentB2")));
    conn.add(new StatementImpl(vf.createURI(litdupsNS, "StudentB2"), OWL.SAMEAS, vf.createURI(litdupsNS, "StudentB3")));
    conn.add(new StatementImpl(vf.createURI(litdupsNS, "StudentA1"), vf.createURI(litdupsNS, "pred1"), vf.createURI(litdupsNS, "StudentB3")));
    conn.add(new StatementImpl(vf.createURI(litdupsNS, "StudentB1"), vf.createURI(litdupsNS, "pred2"), vf.createURI(litdupsNS, "StudentA3")));
    conn.commit();
    conn.close();
    internalInferenceEngine.refreshGraph();
    conn = repository.getConnection();
    // query where finds sameAs for obj, pred specified
    String query = "PREFIX rdfs: <" + RDFS.NAMESPACE + ">\n" + "PREFIX rdf: <" + RDF.NAMESPACE + ">\n" + "PREFIX lit: <" + litdupsNS + ">\n" + "select ?s where {?s lit:pred1 lit:StudentB2.}";
    TupleQuery tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, query);
    CountTupleHandler tupleHandler = new CountTupleHandler();
    tupleQuery.evaluate(tupleHandler);
    assertEquals(1, tupleHandler.getCount());
    // query where finds sameAs for obj only specified
    query = "PREFIX rdfs: <" + RDFS.NAMESPACE + ">\n" + "PREFIX rdf: <" + RDF.NAMESPACE + ">\n" + "PREFIX lit: <" + litdupsNS + ">\n" + "select ?s where {?s ?p lit:StudentB2.}";
    tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, query);
    tupleHandler = new CountTupleHandler();
    tupleQuery.evaluate(tupleHandler);
    // including sameAs assertions
    assertEquals(3, tupleHandler.getCount());
    // query where finds sameAs for subj, pred specified
    query = "PREFIX rdfs: <" + RDFS.NAMESPACE + ">\n" + "PREFIX rdf: <" + RDF.NAMESPACE + ">\n" + "PREFIX lit: <" + litdupsNS + ">\n" + "select ?s where {lit:StudentB2 lit:pred2 ?s.}";
    tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, query);
    tupleHandler = new CountTupleHandler();
    tupleQuery.evaluate(tupleHandler);
    // including sameAs assertions
    assertEquals(1, tupleHandler.getCount());
    // query where finds sameAs for subj only specified
    query = "PREFIX rdfs: <" + RDFS.NAMESPACE + ">\n" + "PREFIX rdf: <" + RDF.NAMESPACE + ">\n" + "PREFIX lit: <" + litdupsNS + ">\n" + "select ?s where {lit:StudentB2 ?p ?s.}";
    tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, query);
    tupleHandler = new CountTupleHandler();
    tupleQuery.evaluate(tupleHandler);
    // including sameAs assertions
    assertEquals(3, tupleHandler.getCount());
    // query where finds sameAs for subj, obj specified
    query = "PREFIX rdfs: <" + RDFS.NAMESPACE + ">\n" + "PREFIX rdf: <" + RDF.NAMESPACE + ">\n" + "PREFIX lit: <" + litdupsNS + ">\n" + "select ?s where {lit:StudentB2 ?s lit:StudentA2.}";
    tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, query);
    tupleHandler = new CountTupleHandler();
    tupleQuery.evaluate(tupleHandler);
    assertEquals(1, tupleHandler.getCount());
    conn.close();
}

Example 72 with TupleQuery

use of org.openrdf.query.TupleQuery in project incubator-rya by apache.

the class RdfCloudTripleStoreConnectionTest method testEquivPropOf.

public void testEquivPropOf() throws Exception {
    if (internalInferenceEngine == null) {
        // infer not supported;
        return;
    }
    RepositoryConnection conn = repository.getConnection();
    conn.add(new StatementImpl(vf.createURI(litdupsNS, "undergradDegreeFrom"), OWL.EQUIVALENTPROPERTY, vf.createURI(litdupsNS, "ugradDegreeFrom")));
    conn.add(new StatementImpl(vf.createURI(litdupsNS, "UgradA"), vf.createURI(litdupsNS, "undergradDegreeFrom"), vf.createURI(litdupsNS, "Harvard")));
    conn.add(new StatementImpl(vf.createURI(litdupsNS, "GradB"), vf.createURI(litdupsNS, "ugradDegreeFrom"), vf.createURI(litdupsNS, "Harvard")));
    conn.add(new StatementImpl(vf.createURI(litdupsNS, "GradC"), vf.createURI(litdupsNS, "ugraduateDegreeFrom"), vf.createURI(litdupsNS, "Harvard")));
    conn.commit();
    conn.close();
    internalInferenceEngine.refreshGraph();
    conn = repository.getConnection();
    String query = "PREFIX rdfs: <" + RDFS.NAMESPACE + ">\n" + "PREFIX rdf: <" + RDF.NAMESPACE + ">\n" + "PREFIX lit: <" + litdupsNS + ">\n" + "select * where {?s lit:ugradDegreeFrom lit:Harvard.}";
    TupleQuery tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, query);
    CountTupleHandler tupleHandler = new CountTupleHandler();
    tupleQuery.evaluate(tupleHandler);
    assertEquals(2, tupleHandler.getCount());
    conn.close();
}

Example 73 with TupleQuery

use of org.openrdf.query.TupleQuery in project incubator-rya by apache.

the class RdfCloudTripleStoreConnectionTest method testDropGraph.

public void testDropGraph() throws Exception {
    RepositoryConnection conn = repository.getConnection();
    String insert = "PREFIX dc: <http://purl.org/dc/elements/1.1/>\n" + "PREFIX ex: <http://example/addresses#>\n" + "INSERT DATA\n" + "{ GRAPH ex:G1 {\n" + "<http://example/book3> dc:title    \"A new book\" ;\n" + "                         dc:creator  \"A.N.Other\" .\n" + "}\n" + "}";
    Update update = conn.prepareUpdate(QueryLanguage.SPARQL, insert);
    update.execute();
    insert = "PREFIX dc: <http://purl.org/dc/elements/1.1/>\n" + "PREFIX ex: <http://example/addresses#>\n" + "INSERT DATA\n" + "{ GRAPH ex:G2 {\n" + "<http://example/book3> dc:title    \"A new book\" ;\n" + "                         dc:creator  \"A.N.Other\" .\n" + "}\n" + "}";
    update = conn.prepareUpdate(QueryLanguage.SPARQL, insert);
    update.execute();
    String query = "PREFIX dc: <http://purl.org/dc/elements/1.1/>\n" + "select * where { <http://example/book3> ?p ?o. }";
    TupleQuery tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, query);
    CountTupleHandler tupleHandler = new CountTupleHandler();
    tupleQuery.evaluate(tupleHandler);
    assertEquals(4, tupleHandler.getCount());
    tupleHandler = new CountTupleHandler();
    String drop = "PREFIX ex: <http://example/addresses#>\n" + "DROP GRAPH ex:G2 ";
    update = conn.prepareUpdate(QueryLanguage.SPARQL, drop);
    update.execute();
    tupleQuery.evaluate(tupleHandler);
    assertEquals(2, tupleHandler.getCount());
    tupleHandler = new CountTupleHandler();
    drop = "PREFIX ex: <http://example/addresses#>\n" + "DROP GRAPH ex:G1 ";
    update = conn.prepareUpdate(QueryLanguage.SPARQL, drop);
    update.execute();
    tupleQuery.evaluate(tupleHandler);
    assertEquals(0, tupleHandler.getCount());
    conn.close();
}

Example 74 with TupleQuery

use of org.openrdf.query.TupleQuery in project incubator-rya by apache.

the class RdfCloudTripleStoreConnectionTest method testSubPropertyOf.

public void testSubPropertyOf() throws Exception {
    if (internalInferenceEngine == null) {
        // infer not supported;
        return;
    }
    RepositoryConnection conn = repository.getConnection();
    conn.add(new StatementImpl(vf.createURI(litdupsNS, "undergradDegreeFrom"), RDFS.SUBPROPERTYOF, vf.createURI(litdupsNS, "degreeFrom")));
    conn.add(new StatementImpl(vf.createURI(litdupsNS, "gradDegreeFrom"), RDFS.SUBPROPERTYOF, vf.createURI(litdupsNS, "degreeFrom")));
    conn.add(new StatementImpl(vf.createURI(litdupsNS, "degreeFrom"), RDFS.SUBPROPERTYOF, vf.createURI(litdupsNS, "memberOf")));
    conn.add(new StatementImpl(vf.createURI(litdupsNS, "memberOf"), RDFS.SUBPROPERTYOF, vf.createURI(litdupsNS, "associatedWith")));
    conn.add(new StatementImpl(vf.createURI(litdupsNS, "UgradA"), vf.createURI(litdupsNS, "undergradDegreeFrom"), vf.createURI(litdupsNS, "Harvard")));
    conn.add(new StatementImpl(vf.createURI(litdupsNS, "GradB"), vf.createURI(litdupsNS, "gradDegreeFrom"), vf.createURI(litdupsNS, "Yale")));
    conn.add(new StatementImpl(vf.createURI(litdupsNS, "ProfessorC"), vf.createURI(litdupsNS, "memberOf"), vf.createURI(litdupsNS, "Harvard")));
    conn.commit();
    conn.close();
    internalInferenceEngine.refreshGraph();
    conn = repository.getConnection();
    String query = "PREFIX rdfs: <" + RDFS.NAMESPACE + ">\n" + "PREFIX rdf: <" + RDF.NAMESPACE + ">\n" + "PREFIX lit: <" + litdupsNS + ">\n" + "select * where {?s lit:degreeFrom lit:Harvard.}";
    TupleQuery tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, query);
    CountTupleHandler tupleHandler = new CountTupleHandler();
    tupleQuery.evaluate(tupleHandler);
    assertEquals(1, tupleHandler.getCount());
    query = "PREFIX rdfs: <" + RDFS.NAMESPACE + ">\n" + "PREFIX rdf: <" + RDF.NAMESPACE + ">\n" + "PREFIX lit: <" + litdupsNS + ">\n" + "select * where {?s lit:memberOf lit:Harvard.}";
    tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, query);
    tupleHandler = new CountTupleHandler();
    tupleQuery.evaluate(tupleHandler);
    assertEquals(2, tupleHandler.getCount());
    query = "PREFIX rdfs: <" + RDFS.NAMESPACE + ">\n" + "PREFIX rdf: <" + RDF.NAMESPACE + ">\n" + "PREFIX lit: <" + litdupsNS + ">\n" + "select * where {?s lit:associatedWith ?o.}";
    tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, query);
    tupleHandler = new CountTupleHandler();
    tupleQuery.evaluate(tupleHandler);
    assertEquals(3, tupleHandler.getCount());
    query = "PREFIX rdfs: <" + RDFS.NAMESPACE + ">\n" + "PREFIX rdf: <" + RDF.NAMESPACE + ">\n" + "PREFIX lit: <" + litdupsNS + ">\n" + "select * where {?s lit:gradDegreeFrom lit:Yale.}";
    tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, query);
    tupleHandler = new CountTupleHandler();
    tupleQuery.evaluate(tupleHandler);
    assertEquals(1, tupleHandler.getCount());
    conn.close();
}

Example 75 with TupleQuery

use of org.openrdf.query.TupleQuery in project incubator-rya by apache.

the class RdfCloudTripleStoreConnectionTest method testUpdateData.

public void testUpdateData() throws Exception {
    RepositoryConnection conn = repository.getConnection();
    String insert = "PREFIX dc: <http://purl.org/dc/elements/1.1/>\n" + "PREFIX ex: <http://example/addresses#>\n" + "INSERT DATA\n" + "{ GRAPH ex:G1 {\n" + "<http://example/book3> dc:title    \"A new book\" ;\n" + "                         dc:creator  \"A.N.Other\" .\n" + "}\n" + "}";
    Update update = conn.prepareUpdate(QueryLanguage.SPARQL, insert);
    update.execute();
    String query = "PREFIX dc: <http://purl.org/dc/elements/1.1/>\n" + "select * where { <http://example/book3> ?p ?o. }";
    TupleQuery tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, query);
    CountTupleHandler tupleHandler = new CountTupleHandler();
    tupleQuery.evaluate(tupleHandler);
    assertEquals(2, tupleHandler.getCount());
    String insdel = "PREFIX dc: <http://purl.org/dc/elements/1.1/>\n" + "\n" + "WITH <http://example/addresses#G1>\n" + "DELETE { ?book dc:title ?title }\n" + "INSERT { ?book dc:title \"A newer book\"." + "         ?book dc:add \"Additional Info\" }\n" + "WHERE\n" + "  { ?book dc:creator \"A.N.Other\" ;\n" + "        dc:title ?title .\n" + "  }";
    update = conn.prepareUpdate(QueryLanguage.SPARQL, insdel);
    update.execute();
    query = "PREFIX dc: <http://purl.org/dc/elements/1.1/>\n" + "PREFIX ex: <http://example/addresses#>\n" + "select * where { GRAPH ex:G1 {<http://example/book3> ?p ?o. } }";
    tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, query);
    tupleHandler = new CountTupleHandler();
    tupleQuery.evaluate(tupleHandler);
    assertEquals(3, tupleHandler.getCount());
    conn.close();
}