Package com.hp.hpl.jena.query

Examples of com.hp.hpl.jena.query.QueryExecution

122
123
124
125
126
127
128
129
130
131
132
   
    public static boolean containsGraph(Store store, Node graphNode)
    {
        String qs = "SELECT * { GRAPH "+FmtUtils.stringForNode(graphNode)+" { ?s ?p ?o }} LIMIT 1" ;
        Dataset ds = SDBFactory.connectDataset(store) ;
        QueryExecution qExec = QueryExecutionFactory.create(qs, ds) ;
        ResultSet rs = qExec.execSelect() ;
        boolean b = rs.hasNext() ;
        qExec.close();
        return b ;
    }
View Full Code Here
164
165
166
167
168
169
170
171
172
173
174
           
            if ( printPlan )
            {
                divider() ;
                // This forces internal query initialization - must be after QueryUtils.checkQuery
                QueryExecution qExec = QueryExecutionFactory.create(query, DatasetFactory.createMem()) ;
                QueryOutputUtils.printPlan(query, qExec) ;
            }
        }
        catch (ARQInternalErrorException intEx)
        {
View Full Code Here
65
66
67
68
69
70
71
72
73
74
75
    {
        Query query = modQuery.getQuery() ;

        try {
            String serviceURL = modRemote.getServiceURL() ;
            QueryExecution qe = QueryExecutionFactory.sparqlService(serviceURL, query) ;
            if ( modRemote.usePost() )
                HttpQuery.urlLimit = 0 ;

            QueryExecUtils.executeQuery(query, qe, modResults.getResultsFormat()) ;
        } catch (QueryExceptionHTTP ex)
View Full Code Here
63
64
65
66
67
68
69
70
71
72
73
74
                                             "PREFIX  rdfs:   <http://www.w3.org/2000/01/rdf-schema#>",
                                             "PREFIX  xsd:    <http://www.w3.org/2001/XMLSchema#>",
                                             "PREFIX  owl:    <http://www.w3.org/2002/07/owl#>",
                                             "PREFIX skos:    <http://www.w3.org/2004/02/skos/core#>") ;
        Query query = QueryFactory.create(preamble+"\n"+qs, Syntax.syntaxARQ) ;
        QueryExecution qexec = QueryExecutionFactory.create(query, model) ;
        ResultSet rs = qexec.execSelect() ;
        for ( ; rs.hasNext() ; )
        {
            QuerySolution soln= rs.next() ;
            Node x = soln.get("x").asNode() ;
            Node y = soln.get("y").asNode() ;
View Full Code Here
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
      "ORDER BY ?in";

    Query query = QueryFactory.create(queryString);

//     Execute the query and obtain results
    QueryExecution qe = QueryExecutionFactory.create(query, manifest);
    ResultSet results = qe.execSelect();
   
    WDSingleTest one = null;
    Resource last = null;
    while (results.hasNext()) {
      QuerySolution s = results.nextSolution();
      Resource in = s.getResource("in");
      Resource out = s.getResource("out");
      Resource test = s.getResource("test");
     
      Property approval = m.createProperty(
          TestSchema, "approval");
      if (!test.hasProperty(approval))
        System.out.println("#"+test.getLocalName());
      if (!in.equals(last)) {
        one = new WDSingleTest(in);
        tests.add(one);
        last = in;
      }
        one.addOutput(out,test);
     
    }
    qe.close();

  }
View Full Code Here
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
//    System.err.println(license);
    if (license.exists() && user != null && !user.equals("")) {
      try {
        model.read(new FileInputStream(license), null);

        QueryExecution qexec = QueryExecutionFactory.create(
            queryString, model);
        try {
          ResultSet results = qexec.execSelect();
          while (results.hasNext()) {
            QuerySolution soln = results.nextSolution();
            try {
              Literal u = soln.getLiteral("user");
//              System.err.println("user: "+u.getString());
              Literal s = soln.getLiteral("software");
//              System.err.println("software: "+s);
              Calendar d = ((XSDDateTime) soln.getLiteral("date")
                  .getValue()).asCalendar();
//              System.err.println("date: "+d);
             
              if (u.getString().equals(user)
                  && s.getString().equals(software)
                  && d.before(Calendar.getInstance())) {
                return true;
              }
            } catch (JenaException e) {
              // ignore
            } catch (ClassCastException e) {
              System.err.println(e.getMessage());
            }
          }
        } finally {
          qexec.close();
        }

      } catch (FileNotFoundException e) {
      }
    }
View Full Code Here
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
    // when calling QueryFactory.create causes ExceptionInInitializerError
    // to be thrown.
    // QueryExecutionFactory.create requires
    // (java.io.FilePermission [etc/]location-mapping.* read)
    // Thus, they are placed within doPrivileged
    QueryExecution qexec = AccessController.doPrivileged (
        new PrivilegedAction<QueryExecution>() {

      @Override
      public QueryExecution run() {
        com.hp.hpl.jena.query.Query jenaQuery =
            QueryFactory.create(query.toString());
        return QueryExecutionFactory.create(jenaQuery, dataset);
      }
    });

    try {
      try {
        return new ResultSetWrapper(qexec.execSelect());
      } catch (QueryExecException e) {
        try {
          return Boolean.valueOf(qexec.execAsk());
        } catch (QueryExecException e2) {
          try {
            return new JenaGraphAdaptor(
                qexec.execDescribe().getGraph()).getGraph();
          } catch (QueryExecException e3) {
            return new JenaGraphAdaptor(
                qexec.execConstruct().getGraph()).getGraph();
          }
        }
      }
    } finally {
      qexec.close();
    }

  }
View Full Code Here
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
            expectedLabel = "Results file" ;
        }
        else
        {
            QueryEngineFactory f = QueryEngineRef.getFactory() ;
            QueryExecution qExec1 = new QueryExecutionBase(query, ds, null, f) ;
            rs1 = ResultSetFactory.makeRewindable(qExec1.execSelect()) ;
            qExec1.close() ;
            expectedLabel = "Standard engine" ;
        }
       
        // ---- Second, execute in DB

        QueryEngineFactory f2 = QueryEngineSDB.getFactory() ;
        ds = DatasetStore.create(store) ;
        QueryExecution qExec2 = new QueryExecutionBase(query, ds, null, f2) ;
       
        try {
            SDBConnection.logSQLExceptions = true ;
            rs = qExec2.execSelect() ;
           
            ResultSetRewindable rs2 = ResultSetFactory.makeRewindable(rs) ;
            boolean b = ResultSetCompare.equalsByTerm(rs1, rs2) ;
            if ( !b )
            {
View Full Code Here
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
//            // THis filter does not hide the graph itself, just the quads associated with the graph.
//            "SELECT * { GRAPH ?g {} }"
//            } ;
        Query query = QueryFactory.create(qs) ;
       
        QueryExecution qExec = QueryExecutionFactory.create(query, ds) ;
        // Install filter for this query only.
        qExec.getContext().set(SystemTDB.symTupleFilter, filter) ;
        qExec.getContext().setTrue(TDB.symUnionDefaultGraph) ;
        long x1 = ResultSetFormatter.consume(qExec.execSelect()) ;
        qExec.close() ;
        assertEquals(withFilter, x1) ;

        // No filter.
        qExec = QueryExecutionFactory.create(query, ds) ;
        qExec.getContext().setTrue(TDB.symUnionDefaultGraph) ;
        long x2 = ResultSetFormatter.consume(qExec.execSelect()) ;
        qExec.close() ;
        assertEquals(withoutFilter, x2) ;

    }
View Full Code Here
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
    System.out.println("RESULTS:");
   
    Query query = QueryFactory.create(Q);

    // Execute the query and obtain results
    QueryExecution qe = QueryExecutionFactory.create(query, model);
   
    if ( query.isSelectType() ) {
      ResultSet results = qe.execSelect();
      ResultSetFormatter.out(System.out, results, query);
    }
    else if ( query.isConstructType() ) {
      Model model_ = qe.execConstruct();
     
//      _listStatements(model_);

      StringWriter writer = new StringWriter();
      model_.getWriter().write(model_, writer, null);

      String result = writer.getBuffer().toString();
      System.out.println(result);

    }
    qe.close();
  }
View Full Code Here
TOP

Related Classes of com.hp.hpl.jena.query.QueryExecution

  • arq.examples.bgpmatching.StageAltMain
  • arq.examples.Ex1
  • arq.examples.Ex2
  • arq.examples.ExampleDBpedia
  • arq.examples.ExProg1
  • arq.examples.ExProg2
  • arq.examples.ExQuerySelect1
  • arq.examples.ExQuerySelect2
  • arq.examples.larq.ExLucene1
  • arq.examples.propertyfunction.labelSearch
    • 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.