Package com.hp.hpl.jena.sparql.core

Examples of com.hp.hpl.jena.sparql.core.Quad

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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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    {
        Node gNode = nodeTable.getNodeForNodeId(g) ;
        Node sNode = nodeTable.getNodeForNodeId(s) ;
        Node pNode = nodeTable.getNodeForNodeId(p) ;
        Node oNode = nodeTable.getNodeForNodeId(o) ;
        return new Quad(gNode, sNode, pNode, oNode) ;
    }
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    public boolean equivalent(OpQuadPattern opQuads)
    {
        QuadPattern quads = opQuads.getPattern() ;
        if ( quads.size() != 1 ) return false ;
        Quad q = quads.get(0) ;
        return quad.equals(q) ; 
    }
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    {
        if ( quads == null )
        {
            quads = new QuadPattern() ;
            for (Triple t : triples )
                quads.add(new Quad(graphNode, t)) ;
        }
    }
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    @Test public void testInsert3()
    {
        GraphStore gStore = getEmptyGraphStore() ;
        gStore.addGraph(graphIRI, Factory.createDefaultGraph()) ;
        UpdateModify insert = new UpdateModify() ;
        insert.getInsertAcc().addQuad(new Quad(graphIRI, triple1)) ;
        UpdateAction.execute(insert, gStore) ;
        assertTrue(graphContains(gStore.getGraph(graphIRI), triple1)) ;
    }
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        namedGraphData(gStore, graphIRI, Factory.createDefaultGraph()) ;
       
        UpdateModify modify = new UpdateModify() ;
        Element element = QueryFactory.createElement("{ ?s <http://example/p> ?o }" ) ;
        modify.setElement(element) ;
        modify.getInsertAcc().addQuad(new Quad(graphIRI, triple1)) ;
        modify.getDeleteAcc().addTriple(SSE.parseTriple("(?s <http://example/p> ?o)")) ;
        modify.getDeleteAcc().addQuad(SSE.parseQuad("(<http://example/graph> ?s <http://example/p> ?o)")) ;
        UpdateAction.execute(modify, gStore) ;
       
        assertFalse(graphEmpty(gStore.getGraph(graphIRI))) ;
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        namedGraphData(gStore, graphIRI, data(t));
       
        UpdateModify modify = new UpdateModify() ;
        Element element = QueryFactory.createElement("{ ?s <http://example/p> ?o }" ) ;
        modify.setElement(element) ;
        modify.getInsertAcc().addQuad(new Quad(graphIRI, triple1)) ;
        modify.getDeleteAcc().addTriple(SSE.parseTriple("(?s <http://example/p> ?o)")) ;
        modify.getDeleteAcc().addQuad(SSE.parseQuad("(<http://example/graph> ?s <http://example/p> ?o)")) ;
        UpdateAction.execute(modify, gStore) ;
       
        assertFalse(graphEmpty(gStore.getGraph(graphIRI))) ;
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        // WRITE lots
        StoreConnection sConn = getStoreConnection() ;
        DatasetGraphTxn dsg = sConn.begin(ReadWrite.WRITE) ;
        for ( int i = 0 ; i < 600 ; i++ )
        {
            Quad q = SSE.parseQuad("(_ <s> <p> "+i+")") ;
            dsg.add(q) ;
        }
        dsg.commit() ;
        dsg.end() ;
    }
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                public void run() {
                    try {
                        if (numberGenerator.nextInt(2) == 0) {
                            DatasetGraphTxn txnGraph =
                                    storeConnection.begin(ReadWrite.WRITE);
                            txnGraph.add(new Quad(
                                    Node.createURI("http://openjena.org/"
                                            + numberGenerator.nextInt()),
                                    Node.createURI("http://openjena.org/"
                                            + numberGenerator.nextInt()),
                                    Node.createURI("http://openjena.org/"
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        int count = 0 ;
        int maxN = 500 ;
        int N = RandomLib.qrandom.nextInt(maxN) ;
        for ( int j = 0 ; j < N; j++ )
        {
            Quad q = genQuad(id*maxN+j) ;
            if ( ! dsg.contains(q) )
            {
                dsg.add(q) ;
                count++ ;
            }
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