Package com.hp.hpl.jena.query

Examples of com.hp.hpl.jena.query.Dataset.asDatasetGraph()

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    @Test(expected=ConcurrentModificationException.class)
    public void mrswSPARQL2()
    {
        Dataset ds = create();
        DatasetGraph dsg = ds.asDatasetGraph() ;
        Query query = QueryFactory.create("SELECT * { ?s ?p ?o}") ;
        QueryExecution qExec = QueryExecutionFactory.create(query, ds) ;
        ResultSet rs = qExec.execSelect() ;
        rs.hasNext() ;
        rs.next();
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        // Check if it is in the model.
        if ( ! datasetDesc.hasProperty(RDF.type) )
            throw new FusekiConfigException("No rdf:type for dataset "+nodeLabel(datasetDesc)) ;
       
        Dataset ds = (Dataset)Assembler.general.open(datasetDesc)  ;
        sDesc.dataset = ds.asDatasetGraph() ;
        return sDesc ;
       
    }
   
    private static RDFNode getOne(Resource svc, String property)
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        if ( contains(assemblerDescDecl) )
        {
            log.info("Dataset from assembler") ;
            Dataset ds = modDataset.createDataset() ;
            if ( ds != null )
                dsg = ds.asDatasetGraph() ;
        }
       
        if ( contains(argFusekiConfig) )
        {
            if ( dsg != null )
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        Triple triple = SSE.parseTriple("(<x> <y> <z>)") ;
        Node gn = Node.createURI(graphName) ;

        Dataset ds = graphLocation.getDataset() ;
        // ?? See TupleLib.
        ds.asDatasetGraph().deleteAny(gn, null, null, null) ;
       
        Graph g2 = ds.asDatasetGraph().getGraph(gn) ;
       
//        if ( true )
//        {
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        Dataset ds = graphLocation.getDataset() ;
        // ?? See TupleLib.
        ds.asDatasetGraph().deleteAny(gn, null, null, null) ;
       
        Graph g2 = ds.asDatasetGraph().getGraph(gn) ;
       
//        if ( true )
//        {
//            PrintStream ps = System.err ;
//            ps.println("Dataset names: ") ;
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        // Graphs only exists if they have a triple in them
        assertFalse(ds.containsNamedModel(graphName)) ;
       
        List<String> names = Iter.toList(ds.listNames()) ;
        assertEquals(0, names.size()) ;
        assertEquals(0, ds.asDatasetGraph().size()) ;
    }
   
    @Test public void dataset5()
    {
        String graphName = "http://example/" ;
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    @Test public void dataset5()
    {
        String graphName = "http://example/" ;
        Triple triple = SSE.parseTriple("(<x> <y> <z>)") ;
        Dataset ds = graphLocation.getDataset() ;
        Graph g2 = ds.asDatasetGraph().getGraph(Node.createURI(graphName)) ;
        // Graphs only exists if they have a triple in them
        g2.add(triple) ;
       
        assertTrue(ds.containsNamedModel(graphName)) ;
        List<String> x = Iter.toList(ds.listNames()) ;
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        assertTrue(ds.containsNamedModel(graphName)) ;
        List<String> x = Iter.toList(ds.listNames()) ;
        List<String> y = Arrays.asList(graphName) ;
        assertEquals(x,y) ;
       
        assertEquals(1, ds.asDatasetGraph().size()) ;
    }
}
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    /** Example setup - in-memory dataset with two graphs, one triple in each */
    private static Dataset setup()
    {
        Dataset ds = TDBFactory.createDataset() ;
        DatasetGraphTDB dsg = (DatasetGraphTDB)(ds.asDatasetGraph()) ;
        Quad q1 = SSE.parseQuad("(<http://example/g1> <http://example/s> <http://example/p> <http://example/o1>)") ;
        Quad q2 = SSE.parseQuad("(<http://example/g2> <http://example/s> <http://example/p> <http://example/o2>)") ;
        dsg.add(q1) ;
        dsg.add(q2) ;
        return ds ;
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    @Test public void update3()
    {
        Dataset ds = TDBFactory.createDataset() ;
       
        ds.asDatasetGraph().getDefaultGraph().add(t1) ;
        ds.getNamedModel(graphName).getGraph().add(t1) ;
       
        Model m = ds.getDefaultModel() ;
        m.removeAll() ;
        assertEquals(0, m.size()) ;
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