Examples of org.jrdf.graph.TripleFactory

org.jrdf.graph.TripleFactory
A Triple Factory is a class which defines the creation of triples and certain sets of triples. This includes generating triples for reification, containers and collections. @author Andrew Newman @version $Revision: 2894 $


    public void addPerformance(int numberOfNodes, Graph graph, GraphPerformance performance) throws GraphException {
        long startTime = System.currentTimeMillis();
        for (int i = 0; i < numberOfNodes; i++) {
            for (int j = 0; j < numberOfPredicates; j++) {
                TripleFactory tripleFactory = graph.getTripleFactory();
                tripleFactory.addTriple(URI.create(subjectPrefix + i), URI.create(predicatePrefix + j),
                    URI.create(objectPrefix + j));
            }
        }
        performance.outputResult(graph, startTime, "Testing Add Performance:");
    }

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     */
    private void searchGraph(Graph graph) throws Exception {
        System.out.println("Searching Graph...");


        //get the Factory
        TripleFactory tripleFactory = graph.getTripleFactory();
        getAllTriples(tripleFactory, graph);
        doSearch(tripleFactory, graph);
    }

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    private void performReification(Graph graph) throws Exception {
        System.out.println("Reifying a statement...");


        //get the Factories
        GraphElementFactory elementFactory = graph.getElementFactory();
        TripleFactory tripleFactory = graph.getTripleFactory();


        //create a resource to identify the statement
        URIReference statement = elementFactory.createURIReference(new URI("http://example.org/statement#address"));


        //reify the address statement (person, hasAddress, address)
        tripleFactory.reifyTriple(addressStatement, statement);


        //insert a statement about the original statement
        URIReference manager = elementFactory.createURIReference(new URI("http://example.org/managerid#65"));
        URIReference hasConfirmed = elementFactory.createURIReference(new URI("http://example.org/terms#hasConfirmed"));
        Triple confirmationStatement = tripleFactory.createTriple(manager, hasConfirmed, statement);
        graph.add(confirmationStatement);


        //print the contents
        print("Graph contains (after reification): ", graph);
    }

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Related Classes of org.jrdf.graph.TripleFactory

org.jrdf.example.JrdfExample

org.jrdf.example.performance.AddPerformanceImpl

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