Package org.openrdf.query.parser.sparql

Examples of org.openrdf.query.parser.sparql.SPARQLParser.parseQuery()

573
574
575
576
577
578
579
580
581
582
583
     */
    public List<Map<String, Vertex>> executeSparql(String sparqlQuery) throws RuntimeException {
        try {
            sparqlQuery = getPrefixes() + sparqlQuery;
            final SPARQLParser parser = new SPARQLParser();
            final ParsedQuery query = parser.parseQuery(sparqlQuery, null);
            boolean includeInferred = false;
            final CloseableIteration<? extends BindingSet, QueryEvaluationException> results = this.sailConnection.get().evaluate(query.getTupleExpr(), query.getDataset(), new MapBindingSet(), includeInferred);
            final List<Map<String, Vertex>> returnList = new ArrayList<Map<String, Vertex>>();
            try {
                while (results.hasNext()) {
View Full Code Here
941
942
943
944
945
946
947
948
949
950
951
            ParsedQuery query;
            CloseableIteration<? extends BindingSet, QueryEvaluationException> results;
            int count;
            // s ?p ?o SELECT
            queryStr = "SELECT ?y ?z WHERE { <http://example.org/uriA> ?y ?z }";
            query = parser.parseQuery(queryStr, baseURI);
            results = sc.evaluate(query.getTupleExpr(), query.getDataset(), bindings, false);
            count = 0;
            while (results.hasNext()) {
                count++;
                BindingSet set = results.next();
View Full Code Here
958
959
960
961
962
963
964
965
966
967
968
            results.close();
            assertTrue(count > 0);

            // s p ?o SELECT using a namespace prefix
            queryStr = "PREFIX foaf: <http://xmlns.com/foaf/0.1/>\n" + "SELECT ?z WHERE { <" + prefix + "thor> foaf:name ?z }";
            query = parser.parseQuery(queryStr, baseURI);
            results = sc.evaluate(query.getTupleExpr(), query.getDataset(), bindings, false);
            count = 0;
            languages = new HashSet<String>();
            while (results.hasNext()) {
                count++;
View Full Code Here
978
979
980
981
982
983
984
985
986
987
988
            assertTrue(languages.contains("is"));

            // ?s p o SELECT using a plain literal value with no language tag
            queryStr = "PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n" + "SELECT ?s WHERE { ?s rdfs:comment \"he really knows where his towel is\" }";
            URI fordUri = sail.getValueFactory().createURI(prefix + "ford");
            query = parser.parseQuery(queryStr, baseURI);
            results = sc.evaluate(query.getTupleExpr(), query.getDataset(), bindings, false);
            count = 0;
            while (results.hasNext()) {
                count++;
                BindingSet set = results.next();
View Full Code Here
993
994
995
996
997
998
999
1000
1001
1002
1003
            results.close();
            assertTrue(count > 0);

            // ?s p o SELECT using a language-specific literal value
            queryStr = "PREFIX foaf: <http://xmlns.com/foaf/0.1/>\n" + "SELECT ?s WHERE { ?s foaf:name \"Thor\"@en }";
            query = parser.parseQuery(queryStr, baseURI);
            results = sc.evaluate(query.getTupleExpr(), query.getDataset(), bindings, false);
            count = 0;
            while (results.hasNext()) {
                count++;
                BindingSet set = results.next();
View Full Code Here
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
            results.close();
            assertTrue(count > 0);

            // The language tag is necessary
            queryStr = "PREFIX foaf: <http://xmlns.com/foaf/0.1/>\n" + "SELECT ?s WHERE { ?s foaf:name \"Thor\" }";
            query = parser.parseQuery(queryStr, baseURI);
            results = sc.evaluate(query.getTupleExpr(), query.getDataset(), bindings, false);
            count = 0;
            while (results.hasNext()) {
                count++;
                results.next();
View Full Code Here
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
            results.close();
            assertEquals(0, count);

            // ?s p o SELECT using a typed literal value
            queryStr = "PREFIX foaf: <http://xmlns.com/foaf/0.1/>\n" + "PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>\n" + "SELECT ?s WHERE { ?s foaf:msnChatID \"Thorster123\"^^xsd:string }";
            query = parser.parseQuery(queryStr, baseURI);
            results = sc.evaluate(query.getTupleExpr(), query.getDataset(), bindings, false);
            count = 0;
            while (results.hasNext()) {
                count++;
                BindingSet set = results.next();
View Full Code Here
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
            results.close();
            assertTrue(count > 0);

            // The data type is necessary
            queryStr = "PREFIX foaf: <http://xmlns.com/foaf/0.1/>\n" + "PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>\n" + "SELECT ?s WHERE { ?s foaf:msnChatID \"Thorster123\" }";
            query = parser.parseQuery(queryStr, baseURI);
            results = sc.evaluate(query.getTupleExpr(), query.getDataset(), bindings, false);
            count = 0;
            while (results.hasNext()) {
                count++;
                results.next();
View Full Code Here
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
            assertEquals(0, count);

            // s ?p o SELECT
            // TODO: commented out languages for now
            queryStr = "PREFIX foaf: <http://xmlns.com/foaf/0.1/>\n" + "PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>\n" + "SELECT ?p WHERE { <" + prefix + "thor> ?p \"Thor\"@en }";
            query = parser.parseQuery(queryStr, baseURI);
            URI foafNameUri = sail.getValueFactory().createURI("http://xmlns.com/foaf/0.1/name");
            results = sc.evaluate(query.getTupleExpr(), query.getDataset(), bindings, false);
            count = 0;
            while (results.hasNext()) {
                count++;
View Full Code Here
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
            results.close();
            assertTrue(count > 0);

            // context-specific SELECT
            queryStr = "PREFIX foaf: <http://xmlns.com/foaf/0.1/>\n" + "SELECT ?z\n" + "FROM <" + prefix + "ctx1>\n" + "WHERE { <" + prefix + "thor> foaf:name ?z }";
            query = parser.parseQuery(queryStr, baseURI);
            results = sc.evaluate(query.getTupleExpr(), query.getDataset(), bindings, false);
            count = 0;
            languages = new HashSet<String>();
            while (results.hasNext()) {
                count++;
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.