Examples with Sail org.openrdf.sail.Sail used on opensource projects

Example 1 with Sail

use of org.openrdf.sail.Sail in project blueprints by tinkerpop.

the class SailLoaderTest method testAll.

@Test
public void testAll() throws Exception {
    KeyIndexableGraph g = new TinkerGraph();
    Sail sail = new GraphSail(g);
    sail.initialize();
    try {
        SailLoader loader = new SailLoader(sail);
        File f = resourceToFile("graph-example-sail-test.trig");
        SailConnection sc = sail.getConnection();
        try {
            sc.begin();
            assertEquals(0, sc.size());
            loader.load(f);
            sc.rollback();
            assertEquals(29, sc.size());
        } finally {
            sc.close();
        }
    } finally {
        sail.shutDown();
    }
}

Example 2 with Sail

use of org.openrdf.sail.Sail in project backstage by zepheira.

the class DataLoadingUtilities method createMemoryRepository.

public static RepoSailTuple createMemoryRepository(File dir) {
    try {
        Repository r = null;
        Sail s = null;
        if (dir != null) {
            s = new MemoryStore(dir);
            r = new SailRepository(s);
        } else {
            s = new MemoryStore();
            r = new SailRepository(new MemoryStore());
        }
        r.initialize();
        return new RepoSailTuple(r, s);
    } catch (Exception e) {
        _logger.error("Exception caught while creating Sesame in-memory repository", e);
        return null;
    }
}

Example 3 with Sail

use of org.openrdf.sail.Sail in project backstage by zepheira.

the class DataLoadingUtilities method createNativeRepository.

public static RepoSailTuple createNativeRepository(File dir) {
    try {
        Sail sail = new NativeStore();
        sail.setDataDir(dir);
        ((NativeStore) sail).setTripleIndexes("spoc,posc,opsc");
        Repository r = new SailRepository(sail);
        r.initialize();
        return new RepoSailTuple(r, sail);
    } catch (Exception e) {
        _logger.error("Exception caught while creating Sesame native repository", e);
        return null;
    }
}

Example 4 with Sail

use of org.openrdf.sail.Sail in project blueprints by tinkerpop.

the class GraphSailTest method testCodePlay.

@Test
public void testCodePlay() throws Exception {
    Sail sail = new GraphSail(new TinkerGraph());
    sail.initialize();
    try {
        SailConnection sc = sail.getConnection();
        try {
            sc.begin();
            ValueFactory vf = sail.getValueFactory();
            sc.addStatement(vf.createURI("http://tinkerpop.com#1"), vf.createURI("http://tinkerpop.com#knows"), vf.createURI("http://tinkerpop.com#3"), vf.createURI("http://tinkerpop.com"));
            sc.addStatement(vf.createURI("http://tinkerpop.com#1"), vf.createURI("http://tinkerpop.com#name"), vf.createLiteral("marko"), vf.createURI("http://tinkerpop.com"));
            sc.addStatement(vf.createURI("http://tinkerpop.com#3"), vf.createURI("http://tinkerpop.com#name"), vf.createLiteral("josh"), vf.createURI("http://tinkerpop.com"));
            CloseableIteration<? extends Statement, SailException> results = sc.getStatements(null, null, null, false);
            try {
                System.out.println("get statements: ?s ?p ?o ?g");
                while (results.hasNext()) {
                    System.out.println(results.next());
                }
            } finally {
                results.close();
            }
            System.out.println("\nget statements: http://tinkerpop.com#3 ?p ?o ?g");
            results = sc.getStatements(vf.createURI("http://tinkerpop.com#3"), null, null, false);
            try {
                while (results.hasNext()) {
                    System.out.println(results.next());
                }
            } finally {
                results.close();
            }
            SPARQLParser parser = new SPARQLParser();
            CloseableIteration<? extends BindingSet, QueryEvaluationException> sparqlResults;
            String queryString = "SELECT ?x ?y WHERE { ?x <http://tinkerpop.com#knows> ?y }";
            ParsedQuery query = parser.parseQuery(queryString, "http://tinkerPop.com");
            System.out.println("\nSPARQL: " + queryString);
            sparqlResults = sc.evaluate(query.getTupleExpr(), query.getDataset(), new EmptyBindingSet(), false);
            try {
                while (sparqlResults.hasNext()) {
                    System.out.println(sparqlResults.next());
                }
            } finally {
                sparqlResults.close();
            }
            Graph graph = ((GraphSail) sail).getBaseGraph();
            System.out.println();
            for (Vertex v : graph.getVertices()) {
                System.out.println("------");
                System.out.println(v);
                for (String key : v.getPropertyKeys()) {
                    System.out.println(key + "=" + v.getProperty(key));
                }
            }
            for (Edge e : graph.getEdges()) {
                System.out.println("------");
                System.out.println(e);
                for (String key : e.getPropertyKeys()) {
                    System.out.println(key + "=" + e.getProperty(key));
                }
            }
        } finally {
            sc.rollback();
            sc.close();
        }
    } finally {
        sail.shutDown();
    }
}