Package com.hp.hpl.jena.query

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

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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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        RiotLoader.read("data2.trig", dsg) ;
       
        // Create a dataset,
        Dataset ds = DatasetFactory.createMem() ;
        // read in data.
        RiotLoader.read("data2.trig", ds.asDatasetGraph()) ;

    }
}
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    @Test public void dataset_1()
    {
        Dataset ds = DatasetFactory.assemble(dir+"dataset.ttl") ;
        assertNotNull(ds) ;
        // Check it will be dispatched to SDB
        DatasetGraph dsg = ds.asDatasetGraph() ;
        assertTrue( dsg instanceof DatasetStoreGraph ) ;
    }
   
    @Test public void connection_1()
    {
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    private Store create(Model assem)
    {
        // Create a store and format
        Dataset ds = DatasetFactory.assemble(assem) ;
        Store store = ((DatasetStoreGraph)ds.asDatasetGraph()).getStore() ;
        store.getTableFormatter().create() ;
        return store ;
    }
   
    @Test public void model_3()
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    {
        // Test OpExecutor.execute(OpFilter)for a named graph used as a standalone model
        String graphName = "http://example/" ;
        Triple triple = SSE.parseTriple("(<x> <y> 123)") ;
        Dataset ds = create() ;
        Graph g2 = ds.asDatasetGraph().getGraph(Node.createURI(graphName)) ;
        // Graphs only exists if they have a triple in them
        g2.add(triple) ;
       
        Model m = ModelFactory.createModelForGraph(g2) ;
        String qs = "SELECT * { ?s ?p ?o . FILTER ( ?o < 456 ) }" ;
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    {
        // Test OpExecutor.execute(OpBGP) for a named graph used as a standalone model
        String graphName = "http://example/" ;
        Triple triple = SSE.parseTriple("(<x> <y> 123)") ;
        Dataset ds = create() ;
        Graph g2 = ds.asDatasetGraph().getGraph(Node.createURI(graphName)) ;
        // Graphs only exists if they have a triple in them
        g2.add(triple) ;
       
        Model m = ModelFactory.createModelForGraph(g2) ;
        String qs = "SELECT * { ?s ?p ?o . }" ;
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        // Requires OpDatasetNames
        Dataset dataset = create() ;
       
        String graphName = "http://example/" ;
        Triple triple = SSE.parseTriple("(<x> <y> 123)") ;
        Graph g2 = dataset.asDatasetGraph().getGraph(Node.createURI(graphName)) ;
        // Graphs only exists if they have a triple in them
        g2.add(triple) ;
       
        Query query = QueryFactory.create("SELECT ?g { GRAPH ?g {} }") ;
        QueryExecution qExec = QueryExecutionFactory.create(query, dataset) ;
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