Examples with Node org.apache.jena.graph.Node used on opensource projects

Example 91 with Node

use of org.apache.jena.graph.Node in project jena by apache.

the class QueryTest method convertToStrings.

private ResultSetRewindable convertToStrings(ResultSetRewindable resultsActual) {
    List<Binding> bindings = new ArrayList<>();
    while (resultsActual.hasNext()) {
        Binding b = resultsActual.nextBinding();
        BindingMap b2 = BindingFactory.create();
        for (String vn : resultsActual.getResultVars()) {
            Var v = Var.alloc(vn);
            Node n = b.get(v);
            String s;
            if (n == null)
                s = "";
            else if (n.isBlank())
                s = "_:" + n.getBlankNodeLabel();
            else
                s = NodeFunctions.str(n);
            b2.add(v, NodeFactory.createLiteral(s));
        }
        bindings.add(b2);
    }
    ResultSet rs = new ResultSetStream(resultsActual.getResultVars(), null, new QueryIterPlainWrapper(bindings.iterator()));
    return ResultSetFactory.makeRewindable(rs);
}

Example 92 with Node

use of org.apache.jena.graph.Node in project jena by apache.

the class TestGraphUnionRead method gr_union_05.

@Test
public void gr_union_05() {
    List<Node> gnodes = list();
    Graph g = new GraphUnionRead(dsg, gnodes);
    long x = Iter.count(g.find(null, null, null));
    assertEquals(0, x);
}

Example 93 with Node

use of org.apache.jena.graph.Node in project jena by apache.

the class TestGraphUnionRead method gr_union_02.

@Test
public void gr_union_02() {
    List<Node> gnodes = list(gn1, gn2);
    Graph g = new GraphUnionRead(dsg, gnodes);
    Node s = NodeFactory.createURI("http://example/s");
    long x = Iter.count(g.find(s, null, null));
    assertEquals(3, x);
}

Example 94 with Node

use of org.apache.jena.graph.Node in project jena by apache.

the class LabelToNodeMap method asNode.

public Node asNode(String label) {
    Node n = bNodeLabels.get(label);
    if (n != null)
        return n;
    n = allocNode();
    bNodeLabels.put(label, n);
    return n;
}

Example 95 with Node

use of org.apache.jena.graph.Node in project jena by apache.

the class ParserBase method createNode.

protected Node createNode(String iri) {
    // Is it a bNode label? i.e. <_:xyz>
    if (isBNodeIRI(iri)) {
        String s = iri.substring(bNodeLabelStart.length());
        Node n = NodeFactory.createBlankNode(s);
        return n;
    }
    return NodeFactory.createURI(iri);
}