Package org.openrdf.query

Examples of org.openrdf.query.BindingSet

259
260
261
262
263
264
265
266
267
268
269
270
           
                if (eqr != null) {
                      TupleQueryResult queryResult = eqr.tupleQuery.evaluate();
                      try {
                        while (queryResult.hasNext()) {
                          BindingSet bindingSet = queryResult.next();
                          Value value2 = bindingSet.getValue(eqr.resultVar.getName());
                         
                          if (first) {
                            first = false;
                          } else {
                            sb.append(";");
View Full Code Here
579
580
581
582
583
584
585
586
587
588
589
            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()) {
                    BindingSet bs = results.next();
                    Map<String, Vertex> returnMap = new HashMap<String, Vertex>();
                    for (Binding b : bs) {
                        returnMap.put(b.getName(), this.getVertex(b.getValue().toString()));
                    }
                    returnList.add(returnMap);
View Full Code Here
397
398
399
400
401
402
403
404
405
406
407
408
409
                = sc.evaluate(query.getTupleExpr(), query.getDataset(), new EmptyBindingSet(), false);
        try {
            count = 0;
            while (results.hasNext()) {
                count++;
                BindingSet set = results.next();
                URI project = (URI) set.getValue("project");
                Literal name = (Literal) set.getValue("name");
                assertNotNull(project);
                assertNotNull(name);
                System.out.println("project = " + project + ", name = " + name);
            }
        } finally {
View Full Code Here
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
            sc.addStatement(uriA, uriB, uriC);
            sc.commit();
            sc.begin();

            SPARQLParser parser = new SPARQLParser();
            BindingSet bindings = new EmptyBindingSet();
            String baseURI = "http://example.org/bogus/";
            String queryStr;
            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();
                URI y = (URI) set.getValue("y");
                Value z = (Value) set.getValue("z");
                assertNotNull(y);
                assertNotNull(z);
                // System.out.println("y = " + y + ", z = " + z);
            }
            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++;
                BindingSet set = results.next();
                Literal z = (Literal) set.getValue("z");
                assertNotNull(z);
                languages.add(z.getLanguage());
            }
            results.close();
            assertTrue(count > 0);
            assertEquals(2, languages.size());
            assertTrue(languages.contains("en"));
            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();
                URI s = (URI) set.getValue("s");
                assertNotNull(s);
                assertEquals(s, fordUri);
            }
            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();
                URI s = (URI) set.getValue("s");
                assertNotNull(s);
                assertEquals(s, thorUri);
            }
            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();
            }
            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();
                URI s = (URI) set.getValue("s");
                assertNotNull(s);
                assertEquals(s, thorUri);
            }
            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();
            }
            results.close();
            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++;
                BindingSet set = results.next();
                URI p = (URI) set.getValue("p");
                assertNotNull(p);
                assertEquals(p, foafNameUri);
            }
            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++;
                BindingSet set = results.next();
                Literal z = (Literal) set.getValue("z");
                assertNotNull(z);
                languages.add(z.getLanguage());
            }
            results.close();
            assertTrue(count > 0);
View Full Code Here
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
    }

    @Test
    public void testJoins() throws Exception {
        SPARQLParser parser = new SPARQLParser();
        BindingSet bindings = new EmptyBindingSet();
        String baseURI = "http://example.org/bogus/";

        SailConnection sc = sail.getConnection();
        try {
            CloseableIteration<? extends BindingSet, QueryEvaluationException> results;
            int count;
            String queryStr = "PREFIX : <urn:com.tinkerpop.blueprints.pgm.oupls.sail.test/>\n" +
                    "PREFIX foaf: <http://xmlns.com/foaf/0.1/>\n" +
                    "SELECT ?foaf WHERE {\n" +
                    "    :ford foaf:knows ?friend .\n" +
                    "    ?friend foaf:knows ?foaf .\n" +
                    "}";
            ParsedQuery query = parser.parseQuery(queryStr, baseURI);
            results = sc.evaluate(query.getTupleExpr(), query.getDataset(), bindings, false);
            count = 0;
            while (results.hasNext()) {
                count++;
                BindingSet set = results.next();
                URI foaf = (URI) set.getValue("foaf");
                assertTrue(foaf.stringValue().startsWith("urn:com.tinkerpop.blueprints.pgm.oupls.sail.test/"));
            }
            results.close();
            assertEquals(4, count);
        } finally {
View Full Code Here
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
        + "               n3test:outputDocument {outputURL} "
        + "USING NAMESPACE n3test = <http://www.w3.org/2004/11/n3test#>";

    TupleQueryResult queryResult = con.prepareTupleQuery(QueryLanguage.SERQL, query).evaluate();
    while(queryResult.hasNext()) {
      BindingSet bindingSet = queryResult.next();
      String testURI = bindingSet.getValue("testURI").toString();
      String inputURL = bindingSet.getValue("inputURL").toString();
      String outputURL = bindingSet.getValue("outputURL").toString();

      suite.addTest(new PositiveParserTest(testURI, inputURL, outputURL));
    }

    queryResult.close();

    // Add all negative parser tests to the test suite
    query = "SELECT testURI, inputURL "
        + "FROM {testURI} rdf:type {n3test:NegativeParserTest}; "
        + "               n3test:inputDocument {inputURL} "
        + "USING NAMESPACE n3test = <http://www.w3.org/2004/11/n3test#>";

    queryResult = con.prepareTupleQuery(QueryLanguage.SERQL, query).evaluate();

    while(queryResult.hasNext()) {
      BindingSet bindingSet = queryResult.next();
      String testURI = bindingSet.getValue("testURI").toString();
      String inputURL = bindingSet.getValue("inputURL").toString();

      suite.addTest(new NegativeParserTest(testURI, inputURL));
    }
    queryResult.close();
    con.close();
View Full Code Here
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
      httpClient.setServerURL(serverURL);
      httpClient.setUsernameAndPassword(username, password);

      TupleQueryResult responseFromServer = httpClient.getRepositoryList();
      while (responseFromServer.hasNext()) {
        BindingSet bindingSet = responseFromServer.next();
        RepositoryInfo repInfo = new RepositoryInfo();

        String id = LiteralUtil.getLabel(bindingSet.getValue("id"), null);

        if (skipSystemRepo && id.equals(SystemRepository.ID)) {
          continue;
        }

        String uri = LiteralUtil.getLabel(bindingSet.getValue("uri"), null);
        String description = LiteralUtil.getLabel(bindingSet.getValue("title"), null);
        boolean readable = LiteralUtil.getBooleanValue(bindingSet.getValue("readable"), false);
        boolean writable = LiteralUtil.getBooleanValue(bindingSet.getValue("writable"), false);

        try {
          repInfo.setLocation(new URL(uri));
        }
        catch (MalformedURLException e) {
View Full Code Here
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
    TupleExpr tupleExpr = query.getTupleExpr();

    CloseableIteration<? extends BindingSet, QueryEvaluationException> iter = con.evaluate(tupleExpr, null,
        EmptyBindingSet.getInstance(), false);

    BindingSet bindingSet = iter.next();

    assertEquals(bindingSet.getValue("X"), foo);
    assertEquals(bindingSet.getValue("P"), RDF.TYPE);
    assertEquals(bindingSet.getValue("Y"), bar);
    iter.close();
    con.close();

    store.shutDown();

    store = new MemoryStore(dataDir);
    store.initialize();

    factory = store.getValueFactory();
    foo = factory.createURI("http://www.foo.example/foo");
    bar = factory.createURI("http://www.foo.example/bar");

    con = store.getConnection();

    iter = con.evaluate(tupleExpr, null, EmptyBindingSet.getInstance(), false);

    bindingSet = iter.next();

    assertEquals(bindingSet.getValue("X"), foo);
    assertEquals(bindingSet.getValue("P"), RDF.TYPE);
    assertEquals(bindingSet.getValue("Y"), bar);

    iter.close();
    con.close();
  }
View Full Code Here
99
100
101
102
103
104
105
106
107
108
109
110
      conn = repo.getConnection();
      String query = "SELECT DISTINCT C FROM {} rdf:type {C}";
      TupleQueryResult classes = conn.prepareTupleQuery(QueryLanguage.SERQL, query).evaluate();
      try {
        while (classes.hasNext()) {
          BindingSet bindingSet = classes.next();
          Resource resource = (Resource)bindingSet.getValue("C");
          result.add(resource);
        }
      }
      finally {
        classes.close();
View Full Code Here
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
    TupleQueryResult queryResult = con.prepareTupleQuery(QueryLanguage.SERQL, query).evaluate();

    // Add all positive parser tests to the test suite
    while (queryResult.hasNext()) {
      BindingSet bindingSet = queryResult.next();
      String testName = bindingSet.getValue("testName").toString();
      String inputURL = bindingSet.getValue("inputURL").toString();
      String outputURL = bindingSet.getValue("outputURL").toString();

      String baseURL = BASE_URL + testName + ".ttl";

      suite.addTest(new PositiveParserTest(testName, inputURL, outputURL, baseURL));
    }

    queryResult.close();

    // Add the manifest for negative test cases to a repository and query it
    con.clear();
    url = TriGParserTest.class.getResource(MANIFEST_BAD_URL);
    con.add(url, url.toExternalForm(), RDFFormat.TURTLE);

    query = "SELECT testName, inputURL " + "FROM {} mf:name {testName}; "
        + "        mf:action {} qt:data {inputURL} " + "USING NAMESPACE "
        + "  mf = <http://www.w3.org/2001/sw/DataAccess/tests/test-manifest#>, "
        + "  qt = <http://www.w3.org/2001/sw/DataAccess/tests/test-query#>";
    queryResult = con.prepareTupleQuery(QueryLanguage.SERQL, query).evaluate();

    // Add all negative parser tests to the test suite
    while (queryResult.hasNext()) {
      BindingSet bindingSet = queryResult.next();
      String testName = bindingSet.getValue("testName").toString();
      String inputURL = bindingSet.getValue("inputURL").toString();

      String baseURL = BASE_URL + testName + ".ttl";

      suite.addTest(new NegativeParserTest(testName, inputURL, baseURL));
    }
View Full Code Here
TOP

Related Classes of org.openrdf.query.BindingSet

  • com.clarkparsia.empire.impl.RdfQuery
  • com.tinkerpop.blueprints.impls.sail.SailGraph
  • com.tinkerpop.blueprints.oupls.sail.pg.PropertyGraphSailTest
  • com.tinkerpop.blueprints.oupls.sail.SailTest
  • de.unikoblenz.isweb.metak4lena.SesameRenderer
  • edu.isi.karma.research.lod.VirtuosoConnector
  • edu.mit.simile.backstage.model.ui.facets.ListFacet
  • edu.mit.simile.backstage.model.ui.lens.DomLensNode
  • edu.mit.simile.backstage.model.ui.views.TileView$ViewRenderingCacheableQuery
  • edu.mit.simile.fresnel.util.SchemaGenerator
    • Copyright © 2018 www.massapicom. 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.