Package com.hp.hpl.jena.query

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

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    }
   
    @Test public void testInitialBindings1()
    {
        QueryExecution qExec = makeQExec("SELECT * {?s ?p ?o}") ;
        QuerySolutionMap init = new QuerySolutionMap() ;
        init.add("o", m.createLiteral("y1"));
        qExec.setInitialBinding(init) ;
        int count = queryAndCount(qExec) ;
        assertEquals("Initial binding didn't restrict query properly", 1, count) ;
    }
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    }
   
    @Test public void testInitialBindings2()
    {
        QueryExecution qExec = makeQExec("SELECT * {?s ?p ?o}") ;
        QuerySolutionMap init = new QuerySolutionMap() ;
        init.add("z", m.createLiteral("zzz"));
        qExec.setInitialBinding(init) ;
        int count = queryAndCount(qExec) ;
        assertEquals("Initial binding restricted query improperly", 3, count) ;
    }
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    }

    @Test public void testInitialBindings3()
    {
        QueryExecution qExec = makeQExec("SELECT * {?s ?p 'x1'}") ;
        QuerySolutionMap init = new QuerySolutionMap() ;
        init.add("z", m.createLiteral("zzz"));
        qExec.setInitialBinding(init) ;
        ResultSet rs = qExec.execSelect() ;
        QuerySolution qs = rs.nextSolution() ;
        assertTrue("Initial setting not set correctly now", qs.getLiteral("z").getLexicalForm().equals("zzz")) ;
        qExec.close() ;
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            "}";
       
        Query query = QueryFactory.create(queryString, Syntax.syntaxARQ);
        QueryExecution qexec = QueryExecutionFactory.create(query, m);

        QuerySolutionMap map = new QuerySolutionMap();
        map.add("this", OWL.Thing);
        qexec.setInitialBinding(map);
       
        ResultSet rs = qexec.execSelect();
        while(rs.hasNext()) {
            QuerySolution qs = rs.nextSolution();
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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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    }

    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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    }
   
    @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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