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

Example 51 with ValueFactory

use of org.openrdf.model.ValueFactory in project incubator-rya by apache.

the class FilterEvaluatorTest method matches.

@Test
public void matches() throws Exception {
    // Read the filter object from a SPARQL query.
    final Filter filter = getFilter("SELECT * " + "WHERE { " + "FILTER(?age < 10)" + "?person <urn:age> ?age " + "}");
    // Create the input binding set.
    final ValueFactory vf = new ValueFactoryImpl();
    final MapBindingSet bs = new MapBindingSet();
    bs.addBinding("person", vf.createURI("urn:Alice"));
    bs.addBinding("age", vf.createLiteral(9));
    final VisibilityBindingSet visBs = new VisibilityBindingSet(bs);
    // Test the evaluator.
    assertTrue(FilterEvaluator.make(filter).filter(visBs));
}

Example 52 with ValueFactory

use of org.openrdf.model.ValueFactory in project incubator-rya by apache.

the class ProjectionEvaluatorTest method addsBlankNodeBinding.

/**
 * This projection creates a Binding Set that represents a Statement that has a blank node added to it.
 */
@Test
public void addsBlankNodeBinding() throws Exception {
    // Read the projection object from a SPARQL query.
    final Projection projection = getProjection("CONSTRUCT { ?person <urn:hasChild> _:b } " + "WHERE {" + "?person <urn:hasGrandchild> ?grandchild ." + "}");
    // Create a Binding Set that contains the result of the WHERE clause.
    final ValueFactory vf = new ValueFactoryImpl();
    MapBindingSet bs = new MapBindingSet();
    bs.addBinding("person", vf.createURI("urn:Alice"));
    bs.addBinding("hasGrandchild", vf.createURI("urn:Bob"));
    final VisibilityBindingSet original = new VisibilityBindingSet(bs, "a|b");
    // Execute the projection.
    final VisibilityBindingSet result = ProjectionEvaluator.make(projection).project(original);
    // The expected binding set represents a statement. We need to get the blank node's id from the
    // result since that is different every time.
    bs = new MapBindingSet();
    bs.addBinding("subject", vf.createURI("urn:Alice"));
    bs.addBinding("predicate", vf.createURI("urn:hasChild"));
    bs.addBinding("object", result.getValue("object"));
    final VisibilityBindingSet expected = new VisibilityBindingSet(bs, "a|b");
    assertEquals(expected, result);
}

Example 53 with ValueFactory

use of org.openrdf.model.ValueFactory in project incubator-rya by apache.

the class GeoFunctionsIT method GeoDistance.

@Test
public void GeoDistance() throws Exception {
    final String sparql = "PREFIX geo: <http://www.opengis.net/ont/geosparql#> " + "PREFIX geof: <http://www.opengis.net/def/function/geosparql/> " + "PREFIX uom: <http://www.opengis.net/def/uom/OGC/1.0/> " + "SELECT ?cityA ?cityB " + "WHERE { " + "?cityA <urn:containedIn> ?continent. " + "?cityB <urn:containedIn> ?continent. " + "?cityA geo:asWKT ?coord1 . " + "?cityB geo:asWKT ?coord2 . " + // from brussels 173km to amsterdam
    " FILTER ( 500000 > geof:distance(?coord1, ?coord2, uom:metre)  ) . " + " FILTER ( !sameTerm (?cityA, ?cityB) ) " + "}";
    final ValueFactory vf = new ValueFactoryImpl();
    final URI wktTypeUri = vf.createURI("http://www.opengis.net/ont/geosparql#wktLiteral");
    final URI asWKT = vf.createURI("http://www.opengis.net/ont/geosparql#asWKT");
    final Set<Statement> statements = Sets.newHashSet(vf.createStatement(vf.createURI("tag:rya.apache.org,2017:ex#dakar"), asWKT, vf.createLiteral("Point(-17.45 14.69)", wktTypeUri)), vf.createStatement(vf.createURI("tag:rya.apache.org,2017:ex#dakar2"), asWKT, vf.createLiteral("Point(-17.45 14.69)", wktTypeUri)), vf.createStatement(vf.createURI("tag:rya.apache.org,2017:ex#canberra"), asWKT, vf.createLiteral("Point(149.12 -35.31)", wktTypeUri)), vf.createStatement(vf.createURI("tag:rya.apache.org,2017:ex#brussels"), asWKT, vf.createLiteral("Point(4.35 50.85)", wktTypeUri)), vf.createStatement(vf.createURI("tag:rya.apache.org,2017:ex#amsterdam"), asWKT, vf.createLiteral("Point(4.9 52.37)", wktTypeUri)), vf.createStatement(vf.createURI("tag:rya.apache.org,2017:ex#amsterdam"), vf.createURI("urn:containedIn"), vf.createLiteral("Europe")), vf.createStatement(vf.createURI("tag:rya.apache.org,2017:ex#dakar"), vf.createURI("urn:containedIn"), vf.createLiteral("Africa")), vf.createStatement(vf.createURI("tag:rya.apache.org,2017:ex#dakar2"), vf.createURI("urn:containedIn"), vf.createLiteral("Africa")), vf.createStatement(vf.createURI("tag:rya.apache.org,2017:ex#brussels"), vf.createURI("urn:containedIn"), vf.createLiteral("Europe")));
    // The expected results of the SPARQL query once the PCJ has been computed.l
    final Set<BindingSet> expectedResults = new HashSet<>();
    MapBindingSet bs = new MapBindingSet();
    bs.addBinding("cityA", vf.createURI("tag:rya.apache.org,2017:ex#dakar"));
    bs.addBinding("cityB", vf.createURI("tag:rya.apache.org,2017:ex#dakar2"));
    expectedResults.add(bs);
    bs = new MapBindingSet();
    bs.addBinding("cityA", vf.createURI("tag:rya.apache.org,2017:ex#dakar2"));
    bs.addBinding("cityB", vf.createURI("tag:rya.apache.org,2017:ex#dakar"));
    expectedResults.add(bs);
    bs = new MapBindingSet();
    bs.addBinding("cityA", vf.createURI("tag:rya.apache.org,2017:ex#brussels"));
    bs.addBinding("cityB", vf.createURI("tag:rya.apache.org,2017:ex#amsterdam"));
    expectedResults.add(bs);
    bs = new MapBindingSet();
    bs.addBinding("cityA", vf.createURI("tag:rya.apache.org,2017:ex#amsterdam"));
    bs.addBinding("cityB", vf.createURI("tag:rya.apache.org,2017:ex#brussels"));
    expectedResults.add(bs);
    runTest(sparql, statements, expectedResults);
}

Example 54 with ValueFactory

use of org.openrdf.model.ValueFactory in project incubator-rya by apache.

the class GeoFunctionsIT method withGeoFilters.

@Test
public void withGeoFilters() throws Exception {
    final String sparql = "PREFIX geo: <http://www.opengis.net/ont/geosparql#> " + "PREFIX ryageo: <tag:rya.apache.org,2017:function/geo#> " + "PREFIX geof: <http://www.opengis.net/def/function/geosparql/> " + "SELECT ?feature ?point ?wkt {" + " ?feature a geo:Feature . " + " ?feature geo:hasGeometry ?point . " + " ?point a geo:Point . " + " ?point geo:asWKT ?wkt . " + " FILTER(ryageo:ehContains(?wkt, \"POLYGON((-77 39, -76 39, -76 38, -77 38, -77 39))\"^^geo:wktLiteral)) " + "}";
    final ValueFactory vf = new ValueFactoryImpl();
    final Set<Statement> statements = Sets.newHashSet(vf.createStatement(vf.createURI("tag:rya.apache.org,2017:ex#feature"), vf.createURI("http://www.w3.org/1999/02/22-rdf-syntax-ns#type"), vf.createURI("http://www.opengis.net/ont/geosparql#Feature")), vf.createStatement(vf.createURI("tag:rya.apache.org,2017:ex#feature"), vf.createURI("http://www.opengis.net/ont/geosparql#hasGeometry"), vf.createURI("tag:rya.apache.org,2017:ex#test_point")), vf.createStatement(vf.createURI("tag:rya.apache.org,2017:ex#test_point"), vf.createURI("http://www.w3.org/1999/02/22-rdf-syntax-ns#type"), vf.createURI("http://www.opengis.net/ont/geosparql#Point")), vf.createStatement(vf.createURI("tag:rya.apache.org,2017:ex#test_point"), vf.createURI("http://www.opengis.net/ont/geosparql#asWKT"), vf.createLiteral("Point(-77.03524 38.889468)", vf.createURI("http://www.opengis.net/ont/geosparql#wktLiteral"))));
    // Create a Geo function.
    final Function geoFunction = new Function() {

        @Override
        public String getURI() {
            return "tag:rya.apache.org,2017:function/geo#ehContains";
        }

        @Override
        public Value evaluate(final ValueFactory valueFactory, final Value... args) throws ValueExprEvaluationException {
            if (args.length != 2) {
                throw new ValueExprEvaluationException(getURI() + " requires exactly 3 arguments, got " + args.length);
            }
            return valueFactory.createLiteral(true);
        }
    };
    // Add our new function to the registry
    FunctionRegistry.getInstance().add(geoFunction);
    // The expected results of the SPARQL query once the PCJ has been computed.
    final Set<BindingSet> expectedResults = new HashSet<>();
    final MapBindingSet bs = new MapBindingSet();
    bs.addBinding("wkt", vf.createLiteral("Point(-77.03524 38.889468)", vf.createURI("http://www.opengis.net/ont/geosparql#wktLiteral")));
    bs.addBinding("feature", vf.createURI("tag:rya.apache.org,2017:ex#feature"));
    bs.addBinding("point", vf.createURI("tag:rya.apache.org,2017:ex#test_point"));
    expectedResults.add(bs);
    runTest(sparql, statements, expectedResults);
}

Example 55 with ValueFactory

use of org.openrdf.model.ValueFactory in project incubator-rya by apache.

the class GeoFunctionsIT method withTemporal.

@Test
public void withTemporal() throws Exception {
    // Find all stored dates.
    final String sparql = "PREFIX time: <http://www.w3.org/2006/time#> " + "PREFIX xml: <http://www.w3.org/2001/XMLSchema#> " + "PREFIX tempo: <tag:rya-rdf.org,2015:temporal#> " + "SELECT ?event ?time { " + "?event time:inXSDDateTime ?time . " + // after 3 seconds
    "FILTER(?time > '2001-01-01T01:01:03-08:00'^^xml:dateTime) " + // 2006/12/31 include 2006, not 2007,8
    "FILTER('2007-01-01T01:01:01+09:00'^^xml:dateTime > ?time ) " + "}";
    // create some resources and literals to make statements out of
    final ValueFactory vf = new ValueFactoryImpl();
    final DatatypeFactory dtf = DatatypeFactory.newInstance();
    final URI dtPredUri = vf.createURI("http://www.w3.org/2006/time#inXSDDateTime");
    final URI eventz = vf.createURI("<http://eventz>");
    final Set<Statement> statements = Sets.newHashSet(vf.createStatement(eventz, vf.createURI("http://www.w3.org/1999/02/22-rdf-syntax-ns#type"), vf.createURI("<http://www.w3.org/2006/time#Instant>")), // 1 second
    vf.createStatement(eventz, dtPredUri, vf.createLiteral(dtf.newXMLGregorianCalendar("2001-01-01T01:01:01-08:00"))), // 2 seconds
    vf.createStatement(eventz, dtPredUri, vf.createLiteral(dtf.newXMLGregorianCalendar("2001-01-01T04:01:02.000-05:00"))), // 3 seconds
    vf.createStatement(eventz, dtPredUri, vf.createLiteral(dtf.newXMLGregorianCalendar("2001-01-01T01:01:03-08:00"))), // 4 seconds
    vf.createStatement(eventz, dtPredUri, vf.createLiteral(dtf.newXMLGregorianCalendar("2001-01-01T01:01:03.999-08:00"))), // 5 seconds
    vf.createStatement(eventz, dtPredUri, vf.createLiteral(dtf.newXMLGregorianCalendar("2001-01-01T09:01:05Z"))), vf.createStatement(eventz, dtPredUri, vf.createLiteral(dtf.newXMLGregorianCalendar("2006-01-01T05:00:00.000Z"))), vf.createStatement(eventz, dtPredUri, vf.createLiteral(dtf.newXMLGregorianCalendar("2007-01-01T05:00:00.000Z"))), vf.createStatement(eventz, dtPredUri, vf.createLiteral(dtf.newXMLGregorianCalendar("2008-01-01T05:00:00.000Z"))));
    final Set<BindingSet> expectedResults = new HashSet<>();
    MapBindingSet bs = new MapBindingSet();
    bs.addBinding("time", vf.createLiteral(dtf.newXMLGregorianCalendar("2001-01-01T09:01:05.000Z")));
    bs.addBinding("event", eventz);
    expectedResults.add(bs);
    bs = new MapBindingSet();
    bs.addBinding("time", vf.createLiteral(dtf.newXMLGregorianCalendar("2006-01-01T05:00:00.000Z")));
    bs.addBinding("event", eventz);
    expectedResults.add(bs);
    bs = new MapBindingSet();
    bs.addBinding("time", vf.createLiteral(dtf.newXMLGregorianCalendar("2001-01-01T09:01:03.999Z")));
    bs.addBinding("event", eventz);
    expectedResults.add(bs);
    runTest(sparql, statements, expectedResults);
}