Package com.hp.hpl.jena.query

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

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    }

    private static ResultSet query(String string, Model m, String varName, RDFNode value)
    {
        Query query = QueryFactory.create(prefixes+string) ;
        QuerySolutionMap initValues = null ;
        if ( varName != null )
            initValues = querySolution(varName, value) ;
        QueryExecution qExec = QueryExecutionFactory.create(query, m, initValues) ;
        ResultSet rs = ResultSetFactory.copyResults(qExec.execSelect()) ;
        qExec.close() ;
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        return rs ;
    }
   
    private static QuerySolutionMap querySolution(String varName, RDFNode value)
    {
        QuerySolutionMap qsm = new QuerySolutionMap() ;
        querySolution(qsm, varName, value) ;
        return qsm ;
    }
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            "PREFIX  rdf:    <http://www.w3.org/1999/02/22-rdf-syntax-ns#>" ,
            "PREFIX  rdfs:   <http://www.w3.org/2000/01/rdf-schema#>",
            "SELECT DISTINCT ?root { { ?root rdf:type ?ATYPE } UNION { ?root rdf:type ?t . ?t rdfs:subClassOf ?ATYPE } }") ;
       
        Query q = QueryFactory.create(s) ;
        QuerySolutionMap qsm = new QuerySolutionMap() ;
        qsm.add("ATYPE", atype) ;

        QueryExecution qExec = QueryExecutionFactory.create(q, model, qsm);
        Resource r = (Resource)QueryExecUtils.getOne(qExec, "root") ;
        return r;
    }
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    }

    private static ResultSet query(String string, Model m, String varName, RDFNode value)
    {
        Query query = QueryFactory.create(prefixes+string) ;
        QuerySolutionMap initValues = null ;
        if ( varName != null )
            initValues = querySolution(varName, value) ;
        QueryExecution qExec = QueryExecutionFactory.create(query, m, initValues) ;
        ResultSet rs = ResultSetFactory.copyResults(qExec.execSelect()) ;
        qExec.close() ;
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        return rs ;
    }
   
    private static QuerySolutionMap querySolution(String varName, RDFNode value)
    {
        QuerySolutionMap qsm = new QuerySolutionMap() ;
        querySolution(qsm, varName, value) ;
        return qsm ;
    }
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            "PREFIX  rdf:    <http://www.w3.org/1999/02/22-rdf-syntax-ns#>" ,
            "PREFIX  rdfs:   <http://www.w3.org/2000/01/rdf-schema#>",
            "SELECT DISTINCT ?root { { ?root rdf:type ?ATYPE } UNION { ?root rdf:type ?t . ?t rdfs:subClassOf ?ATYPE } }") ;
       
        Query q = QueryFactory.create(s) ;
        QuerySolutionMap qsm = new QuerySolutionMap() ;
        qsm.add("ATYPE", atype) ;

        QueryExecution qExec = QueryExecutionFactory.create(q, model, qsm);
        Resource r = (Resource)QueryExecUtils.getOne(qExec, "root") ;
        return r;
    }
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    }
   
    public static void setContext(Resource r, Context context)
    {
        String qs = "PREFIX ja: <"+JA.getURI()+">\nSELECT * { ?x ja:context [ ja:cxtName ?name ; ja:cxtValue ?value ] }" ;
        QuerySolutionMap qsm = new QuerySolutionMap() ;
        qsm.add("x", r) ;
        QueryExecution qExec = QueryExecutionFactory.create(qs, r.getModel(), qsm) ;
        ResultSet rs = qExec.execSelect() ;
        while ( rs.hasNext() )
        {
            QuerySolution soln = rs.next() ;
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            "PREFIX  rdf:    <http://www.w3.org/1999/02/22-rdf-syntax-ns#>" ,
            "PREFIX  rdfs:   <http://www.w3.org/2000/01/rdf-schema#>",
            "SELECT DISTINCT ?root { { ?root rdf:type ?ATYPE } UNION { ?root rdf:type ?t . ?t rdfs:subClassOf ?ATYPE } }") ;
       
        Query q = QueryFactory.create(s) ;
        QuerySolutionMap qsm = new QuerySolutionMap() ;
        qsm.add("ATYPE", atype) ;

        QueryExecution qExec = QueryExecutionFactory.create(q, model, qsm);
        Resource r = (Resource)QueryExecUtils.getOne(qExec, "root") ;
        return r;
    }
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    }
   
    @Test public void testInitialBindingsConstruct()
    {
        QueryExecution qExec = makeQExec("CONSTRUCT {?s ?p ?z} {?s ?p 'x1'}") ;
        QuerySolutionMap init = new QuerySolutionMap() ;
        init.add("z", m.createLiteral("zzz"));
       
        qExec.setInitialBinding(init) ;
        Model r = qExec.execConstruct() ;
   
        assertTrue("Empty model", r.size() > 0 ) ;
   
        Property p1 = m.createProperty(ns+"p1") ;
   
        assertTrue("Empty model", r.contains(null,p1, init.get("z"))) ;
       
        qExec.close() ;
    }
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//        execRegexTest(2, "SELECT * {?s ?p ?o . FILTER regex(?o, '^x', 'i')}") ;
//    }

    @Test public void testInitialBindings0()
    {
        QuerySolutionMap smap1 = new QuerySolutionMap() ;
        QuerySolutionMap smap2 = new QuerySolutionMap() ;
        smap1.add("o", m.createLiteral("y1"));
        smap2.addAll(smap1) ;
        assertTrue(smap2.contains("o")) ;
        smap2.clear() ;
        assertFalse(smap2.contains("o")) ;
        assertTrue(smap1.contains("o")) ;
       
        QuerySolutionMap smap3 = new QuerySolutionMap() ;
        smap2.addAll((QuerySolution)smap1) ;
        assertTrue(smap2.contains("o")) ;
    }
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