Examples with Literal org.apache.jena.rdf.model.Literal used on opensource projects

Example 31 with Literal

use of org.apache.jena.rdf.model.Literal in project jena by apache.

the class TestDatasetWithLuceneStoredLiterals method testLiteralValue.

@Test
public void testLiteralValue() {
    // test basic capturing of the literal value in a variable
    final String turtle = PF_DATA;
    String queryString = StrUtils.strjoinNL(QUERY_PROLOG, "SELECT ?s ?literal", "WHERE {", "    (?s ?score ?literal) text:query ('text') .", "}");
    Set<String> expectedURIs = new HashSet<>();
    expectedURIs.addAll(Arrays.asList(R_S1));
    Map<String, Literal> literals = doTestSearchWithLiterals(turtle, queryString, expectedURIs);
    Literal value = literals.get(R_S1);
    assertNotNull(value);
    assertEquals(NodeFactory.createLiteral("text"), value.asNode());
}

Example 32 with Literal

use of org.apache.jena.rdf.model.Literal in project jena by apache.

the class TestDatasetWithLuceneStoredLiterals method testLiteralValueNonDefaultField.

@Test
public void testLiteralValueNonDefaultField() {
    // test basic capturing of the literal value in a variable
    final String testName = "testLiteralValueNonDefaultField";
    final String turtle = StrUtils.strjoinNL(TURTLE_PROLOG, "<" + RESOURCE_BASE + testName + ">", "  rdfs:comment 'a text comment'", ".");
    String queryString = StrUtils.strjoinNL(QUERY_PROLOG, "SELECT ?s ?literal", "WHERE {", "    (?s ?score ?literal) text:query (rdfs:comment 'text') .", "}");
    Set<String> expectedURIs = new HashSet<>();
    expectedURIs.addAll(Arrays.asList(RESOURCE_BASE + testName));
    Map<String, Literal> literals = doTestSearchWithLiterals(turtle, queryString, expectedURIs);
    Literal value = literals.get(RESOURCE_BASE + testName);
    assertNotNull(value);
    assertEquals(NodeFactory.createLiteral("a text comment"), value.asNode());
}

Example 33 with Literal

use of org.apache.jena.rdf.model.Literal in project jena by apache.

the class FusekiBuilder method buildDataAccessPoint.

/** Build a DataAccessPoint, including DataService at Resource svc */
public static DataAccessPoint buildDataAccessPoint(Resource svc, DatasetDescriptionRegistry dsDescMap) {
    RDFNode n = FusekiLib.getOne(svc, "fu:name");
    if (!n.isLiteral())
        throw new FusekiConfigException("Not a literal for access point name: " + FmtUtils.stringForRDFNode(n));
    Literal object = n.asLiteral();
    if (object.getDatatype() != null && !object.getDatatype().equals(XSDDatatype.XSDstring))
        Fuseki.configLog.error(format("Service name '%s' is not a string", FmtUtils.stringForRDFNode(object)));
    String name = object.getLexicalForm();
    name = DataAccessPoint.canonical(name);
    DataService dataService = FusekiBuilder.buildDataService(svc, dsDescMap);
    DataAccessPoint dataAccess = new DataAccessPoint(name, dataService);
    return dataAccess;
}

Example 34 with Literal

use of org.apache.jena.rdf.model.Literal in project jena by apache.

the class RDFOutput method asRDF.

public Resource asRDF(Model model, ResultSet resultSet, boolean includeRowIndex) {
    Resource results = model.createResource();
    // This always goes in.
    results.addProperty(RDF.type, ResultSetGraphVocab.ResultSet);
    for (String vName : resultSet.getResultVars()) results.addProperty(ResultSetGraphVocab.resultVariable, vName);
    int count = 0;
    for (; resultSet.hasNext(); ) {
        count++;
        QuerySolution rBind = resultSet.nextSolution();
        Resource thisSolution = model.createResource();
        if (includeTypeProperties)
            thisSolution.addProperty(RDF.type, ResultSetGraphVocab.ResultSolution);
        results.addProperty(ResultSetGraphVocab.solution, thisSolution);
        if (includeRowIndex) {
            // This can lead to equivalent result sets having different graphs
            // Best used if and only if query was completely sorted. 
            Literal x = model.createTypedLiteral(count + "", XSDDatatype.XSDinteger);
            thisSolution.addLiteral(ResultSetGraphVocab.index, x);
        }
        Iterator<String> iter = getAllVars() ? rBind.varNames() : resultSet.getResultVars().iterator();
        for (; iter.hasNext(); ) {
            Resource thisBinding = model.createResource();
            String rVar = iter.next();
            RDFNode n = rBind.get(rVar);
            if (n == null)
                continue;
            //                }
            if (includeTypeProperties)
                thisBinding.addProperty(RDF.type, ResultSetGraphVocab.ResultBinding);
            thisBinding.addProperty(ResultSetGraphVocab.variable, rVar);
            thisBinding.addProperty(ResultSetGraphVocab.value, n);
            thisSolution.addProperty(ResultSetGraphVocab.binding, thisBinding);
        }
    }
    results.addProperty(ResultSetGraphVocab.size, model.createTypedLiteral(count));
    addPrefixes(model);
    return results;
}

Example 35 with Literal

use of org.apache.jena.rdf.model.Literal in project jena by apache.

the class AbstractContainerMethods method testFillingContainer.

public void testFillingContainer() {
    final Container c = createContainer();
    final String lang = "fr";
    final Literal tvLiteral = model.createLiteral("test 12 string 2");
    // Resource tvResObj = model.createResource( new ResTestObjF() );
    c.add(AbstractModelTestBase.tvBoolean);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvBoolean));
    c.add(AbstractModelTestBase.tvByte);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvByte));
    c.add(AbstractModelTestBase.tvShort);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvShort));
    c.add(AbstractModelTestBase.tvInt);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvInt));
    c.add(AbstractModelTestBase.tvLong);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvLong));
    c.add(AbstractModelTestBase.tvChar);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvChar));
    c.add(AbstractModelTestBase.tvFloat);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvFloat));
    c.add(AbstractModelTestBase.tvString);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvString));
    c.add(AbstractModelTestBase.tvString, lang);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvString, lang));
    c.add(tvLiteral);
    Assert.assertTrue(c.contains(tvLiteral));
    // c.add( tvResObj ); assertTrue( c.contains( tvResObj ) );
    c.add(AbstractModelTestBase.tvLitObj);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvLitObj));
    Assert.assertEquals(11, c.size());
}