Examples with NodeValue org.apache.jena.sparql.expr.NodeValue used on opensource projects

Example 66 with NodeValue

use of org.apache.jena.sparql.expr.NodeValue in project jena by apache.

the class GenericCardinalPropertyFunction method extractObjectArguments.

@Override
protected SpatialArguments extractObjectArguments(Node predicate, PropFuncArg object, SRSInfo indexSRSInfo) {
    try {
        // Check minimum arguments.
        List<Node> objectArgs = object.getArgList();
        if (objectArgs.size() < 2) {
            throw new ExprEvalException(FmtUtils.stringForNode(predicate) + ": Minimum of 2 arguments.");
        } else if (objectArgs.size() > 3) {
            throw new ExprEvalException(FmtUtils.stringForNode(predicate) + ": Maximum of 3 arguments.");
        }
        Node lat = objectArgs.get(LAT_POS);
        Node lon = objectArgs.get(LON_POS);
        // Check minimum arguments are all bound.
        if (lat.isVariable() || lon.isVariable()) {
            throw new ExprEvalException("Arguments are not all concrete: " + FmtUtils.stringForNode(lat) + ", " + FmtUtils.stringForNode(lon));
        }
        // Find the limit.
        int limit;
        if (objectArgs.size() > LIMIT_POS) {
            NodeValue limitNode = NodeValue.makeNode(objectArgs.get(LIMIT_POS));
            if (!limitNode.isInteger()) {
                throw new ExprEvalException("Not an integer: " + FmtUtils.stringForNode(limitNode.getNode()));
            }
            limit = limitNode.getInteger().intValue();
        } else {
            limit = DEFAULT_LIMIT;
        }
        GeometryWrapper geometryWrapper = ConvertLatLon.toGeometryWrapper(lat, lon);
        SearchEnvelope searchEnvelope = buildSearchEnvelope(geometryWrapper, indexSRSInfo);
        return new SpatialArguments(limit, geometryWrapper, searchEnvelope);
    } catch (DatatypeFormatException ex) {
        throw new ExprEvalException(ex.getMessage(), ex);
    }
}

Example 67 with NodeValue

use of org.apache.jena.sparql.expr.NodeValue in project jena by apache.

the class NearbyPF method extractObjectArguments.

@Override
protected SpatialArguments extractObjectArguments(Node predicate, PropFuncArg object, SRSInfo indexSRSInfo) {
    try {
        // Check minimum arguments.
        List<Node> objectArgs = object.getArgList();
        if (objectArgs.size() < 3) {
            throw new ExprEvalException(FmtUtils.stringForNode(predicate) + ": Minimum of 3 arguments.");
        } else if (objectArgs.size() > 5) {
            throw new ExprEvalException(FmtUtils.stringForNode(predicate) + ": Maximum of 5 arguments.");
        }
        Node lat = objectArgs.get(LAT_POS);
        Node lon = objectArgs.get(LON_POS);
        NodeValue radiusNode = NodeValue.makeNode(objectArgs.get(RADIUS_POS));
        // Check minimum arguments are all bound.
        if (lat.isVariable() || lon.isVariable() || !radiusNode.isDouble()) {
            throw new ExprEvalException("Arguments are not all concrete: " + FmtUtils.stringForNode(lat) + ", " + FmtUtils.stringForNode(lon) + ", " + FmtUtils.stringForNode(radiusNode.asNode()));
        }
        radius = radiusNode.getDouble();
        // Find the units.
        if (objectArgs.size() > UNITS_POS) {
            Node unitsNode = objectArgs.get(UNITS_POS);
            if (!unitsNode.isURI()) {
                throw new ExprEvalException("Not a URI: " + FmtUtils.stringForNode(unitsNode));
            }
            unitsURI = unitsNode.getURI();
        } else {
            unitsURI = DEFAULT_UNITS;
        }
        // Find the limit.
        int limit;
        if (objectArgs.size() > LIMIT_POS) {
            NodeValue limitNode = NodeValue.makeNode(objectArgs.get(LIMIT_POS));
            if (!limitNode.isInteger()) {
                throw new ExprEvalException("Not an integer: " + FmtUtils.stringForNode(limitNode.getNode()));
            }
            limit = limitNode.getInteger().intValue();
        } else {
            limit = DEFAULT_LIMIT;
        }
        GeometryWrapper geometryWrapper = ConvertLatLon.toGeometryWrapper(lat, lon);
        SearchEnvelope searchEnvelope = SearchEnvelope.build(geometryWrapper, indexSRSInfo, radius, unitsURI);
        return new SpatialArguments(limit, geometryWrapper, searchEnvelope);
    } catch (DatatypeFormatException ex) {
        throw new ExprEvalException(ex.getMessage(), ex);
    }
}

Example 68 with NodeValue

use of org.apache.jena.sparql.expr.NodeValue in project jena by apache.

the class NearbyGeomPF method extractObjectArguments.

@Override
protected SpatialArguments extractObjectArguments(Node predicate, PropFuncArg object, SRSInfo indexSRSInfo) {
    try {
        // Check minimum arguments.
        List<Node> objectArgs = object.getArgList();
        if (objectArgs.size() < 2) {
            throw new ExprEvalException(FmtUtils.stringForNode(predicate) + ": Minimum of 2 arguments.");
        } else if (objectArgs.size() > 4) {
            throw new ExprEvalException(FmtUtils.stringForNode(predicate) + ": Maximum of 4 arguments.");
        }
        Node geomLit = object.getArg(GEOM_POS);
        NodeValue radiusNode = NodeValue.makeNode(objectArgs.get(RADIUS_POS));
        if (!radiusNode.isDouble()) {
            throw new ExprEvalException("Not a xsd:double: " + FmtUtils.stringForNode(radiusNode.asNode()));
        }
        radius = radiusNode.getDouble();
        // Find the units.
        if (objectArgs.size() > UNITS_POS) {
            Node unitsNode = objectArgs.get(UNITS_POS);
            if (!unitsNode.isURI()) {
                throw new ExprEvalException("Not a URI: " + FmtUtils.stringForNode(unitsNode));
            }
            unitsURI = unitsNode.getURI();
        } else {
            unitsURI = NearbyPF.DEFAULT_UNITS;
        }
        // Find the limit.
        int limit;
        if (objectArgs.size() > LIMIT_POS) {
            NodeValue limitNode = NodeValue.makeNode(objectArgs.get(LIMIT_POS));
            if (!limitNode.isInteger()) {
                throw new ExprEvalException("Not an integer: " + FmtUtils.stringForNode(limitNode.asNode()));
            }
            limit = limitNode.getInteger().intValue();
        } else {
            limit = DEFAULT_LIMIT;
        }
        GeometryWrapper geometryWrapper = GeometryWrapper.extract(geomLit);
        SearchEnvelope searchEnvelope = SearchEnvelope.build(geometryWrapper, indexSRSInfo, radius, unitsURI);
        return new SpatialArguments(limit, geometryWrapper, searchEnvelope);
    } catch (DatatypeFormatException ex) {
        throw new ExprEvalException(ex.getMessage(), ex);
    }
}

Example 69 with NodeValue

use of org.apache.jena.sparql.expr.NodeValue in project jena by apache.

the class DimensionPFTest method testApplyPredicate_0_Dimension.

/**
 * Test of applyPredicate method, of class DimensionPF.
 */
@Test
public void testApplyPredicate_0_Dimension() {
    GeometryWrapper geometryWrapper = GeometryWrapper.extract("<http://www.opengis.net/def/crs/EPSG/0/27700> POINT(90 60)", WKTDatatype.URI);
    DimensionPF instance = new DimensionPF();
    NodeValue expResult = NodeValue.makeNodeInteger(0);
    NodeValue result = instance.applyPredicate(geometryWrapper);
    assertEquals(expResult, result);
}

Example 70 with NodeValue

use of org.apache.jena.sparql.expr.NodeValue in project jena by apache.

the class IsSimplePFTest method testApplyPredicate_true.

/**
 * Test of applyPredicate method, of class IsSimplePF.
 */
@Test
public void testApplyPredicate_true() {
    GeometryWrapper geometryWrapper = GeometryWrapper.extract("<http://www.opengis.net/def/crs/EPSG/0/27700> LINESTRING(90 60, 100 70)", WKTDatatype.URI);
    IsSimplePF instance = new IsSimplePF();
    NodeValue expResult = NodeValue.makeNodeBoolean(true);
    NodeValue result = instance.applyPredicate(geometryWrapper);
    assertEquals(expResult, result);
}