Package com.hp.hpl.jena.query

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

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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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        // 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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        // 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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        // Assumes a single test dataset description in the assembler file.
        Dataset ds = TextDatasetFactory.create(file) ;
        if (ds == null)
            throw new CmdException("No dataset description found") ;
        // get index.
        dataset = (DatasetGraphText)(ds.asDatasetGraph()) ;
        textIndex = dataset.getTextIndex() ;
        if (textIndex == null)
            throw new CmdException("Dataset has no text index") ;
        entityDefinition = textIndex.getDocDef() ;
    }
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    private void createTest(String filename, Resource type)
    {
        Object thing = AssemblerUtils.build(filename, type) ;
        assertTrue(thing instanceof Dataset) ;
        Dataset ds = (Dataset)thing ;
        assertTrue(ds.asDatasetGraph() instanceof DatasetGraphTransaction) ;
        assertTrue(ds.supportsTransactions()) ;
        ds.close();
       
    }
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        String f = testDir + "/tdb.ttl" ;
        Object thing = AssemblerUtils.build( f, VocabTDB.tDatasetTDB) ;
        assertTrue(thing instanceof Dataset) ;
        Dataset ds = (Dataset)thing ;
        ds.asDatasetGraph() ;
        assertTrue(((Dataset)thing).asDatasetGraph() instanceof DatasetGraphTransaction) ;
       
        assertNotNull(LARQ.getDefaultIndex()) ;
       
        ds.close() ;
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    private void createTest(String filename, Resource type)
    {
        Object thing = AssemblerUtils.build(filename, type) ;
        assertTrue(thing instanceof Dataset) ;
        Dataset ds = (Dataset)thing ;
        assertTrue(ds.asDatasetGraph() instanceof DatasetGraphTransaction) ;
        assertTrue(ds.supportsTransactions()) ;
        ds.close();
       
    }
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    @Test public void dataset_01()
    {
        Dataset ds = createFixed() ;
        assertNotNull(ds.getDefaultModel()) ;
        assertNotNull(ds.asDatasetGraph()) ;
    }
   
    @Test public void dataset_02()
    {
        Dataset ds = createFixed() ;
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        ResultSet rs = qExec.execSelect() ;
        while(rs.hasNext())
            rs.next();
        qExec.close() ;
       
        DatasetGraph dsg = ds.asDatasetGraph() ;
        Quad quad = SSE.parseQuad("(<g> <y> <p> 99)") ;
        dsg.add(quad) ;
       
        Iterator<Quad> iter = dsg.find() ;
        iter.hasNext() ;
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