Java Code Examples for org.apache.jena.query.DatasetFactory#createTxnMem()

The following examples show how to use org.apache.jena.query.DatasetFactory#createTxnMem() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ExRIOT_3.java    From xcurator with Apache License 2.0 6 votes vote down vote up 
public static void main(String...argv)
{
    Dataset ds = null ;
    
    // Read a TriG file into quad storage in-memory.
    ds = RDFDataMgr.loadDataset("data.trig") ;
    
    // read some (more) data into a dataset graph.
    RDFDataMgr.read(ds, "data2.trig") ;
    
    // Create a dataset,
    Dataset ds2 = DatasetFactory.createTxnMem() ;
    // read in data, indicating the syntax in case the remote end does not
    // correctly provide the HTTP content type.
    RDFDataMgr.read(ds2, "http://host/data2.unknown", TRIG) ;
}
Example 2
Source File: UpdateReadFromFile.java    From xcurator with Apache License 2.0 6 votes vote down vote up 
public static void main(String []args)
{
    // Create an empty GraphStore (has an empty default graph and no named graphs) 
    Dataset dataset = DatasetFactory.createTxnMem() ;
    
    // ---- Read and update script in one step.
    UpdateAction.readExecute("update.ru", dataset) ;
    
    // ---- Reset.
    UpdateAction.parseExecute("DROP ALL", dataset) ;
    
    // ---- Read the update script, then execute, in separate two steps
    UpdateRequest request = UpdateFactory.read("update.ru") ;
    UpdateAction.execute(request, dataset) ;

    // Write in debug format.
    System.out.println("# Debug format");
    SSE.write(dataset) ;
    
    System.out.println();
    
    System.out.println("# N-Quads: S P O G") ;
    RDFDataMgr.write(System.out, dataset, Lang.NQUADS) ;
}
Example 3
Source File: UpdateProgrammatic.java    From xcurator with Apache License 2.0 6 votes vote down vote up 
public static void main(String []args)
{
    Dataset dataset = DatasetFactory.createTxnMem() ;
    
    UpdateRequest request = UpdateFactory.create() ;
    
    request.add(new UpdateDrop(Target.ALL)) ;
    request.add(new UpdateCreate("http://example/g2")) ;
    request.add(new UpdateLoad("file:etc/update-data.ttl", "http://example/g2")) ;
    UpdateAction.execute(request, dataset) ;
    
    System.out.println("# Debug format");
    SSE.write(dataset) ;
    
    System.out.println();
    
    System.out.println("# N-Quads: S P O G") ;
    RDFDataMgr.write(System.out, dataset, Lang.NQUADS) ;
}
Example 4
Source File: RdfEntityGraphConsumerTest.java    From baleen with Apache License 2.0 5 votes vote down vote up 
@Before
public void setup() throws IOException {
  JCasTestGraphUtil.populateJcas(jCas);

  ds = DatasetFactory.createTxnMem();
  server = FusekiServer.create().add("/ds", ds).build();
  server.start();
}
Example 5
Source File: RdfDocumentGraphConsumerTest.java    From baleen with Apache License 2.0 5 votes vote down vote up 
@Before
public void setup() throws IOException {
  JCasTestGraphUtil.populateJcas(jCas);

  port = getPort();
  ds = DatasetFactory.createTxnMem();
  server = FusekiServer.make(port, "/ds", ds.asDatasetGraph()).start();
}
Example 6
Source File: UpdateExecuteOperations.java    From xcurator with Apache License 2.0 5 votes vote down vote up 
public static void main(String []args)
{
    // Create an empty DatasetGraph (has an empty default graph and no named graphs) 
    Dataset dataset = DatasetFactory.createTxnMem() ;
    
    ex1(dataset) ;
    ex2(dataset) ;
    ex3(dataset) ;
}
Example 7
Source File: SystemTest.java    From hypergraphql with Apache License 2.0 4 votes vote down vote up 
@Test
void integration_test() {

    Model mainModel = ModelFactory.createDefaultModel();
    final URL dbpediaContentUrl = getClass().getClassLoader().getResource("test_services/dbpedia.ttl");
    if(dbpediaContentUrl != null) {
        mainModel.read(dbpediaContentUrl.toString(), "TTL");
    }

    Model citiesModel = ModelFactory.createDefaultModel();
    final URL citiesContentUrl = getClass().getClassLoader().getResource("test_services/cities.ttl");
    if(citiesContentUrl != null) {
        citiesModel.read(citiesContentUrl.toString(), "TTL");
    }

    Model expectedModel = ModelFactory.createDefaultModel();
    expectedModel.add(mainModel).add(citiesModel);

    Dataset ds = DatasetFactory.createTxnMem();
    ds.setDefaultModel(citiesModel);
    FusekiServer server = FusekiServer.create()
            .add("/ds", ds)
            .build()
            .start();



    HGQLConfig externalConfig = fromClasspathConfig("test_services/externalconfig.json");

    Controller externalController = new Controller();
    externalController.start(externalConfig);

    HGQLConfig config = fromClasspathConfig("test_services/mainconfig.json");

    Controller controller = new Controller();
    controller.start(config);

    ObjectMapper mapper = new ObjectMapper();
    ObjectNode bodyParam = mapper.createObjectNode();

    bodyParam.put("query", "{\n" +
            "  Person_GET {\n" +
            "    _id\n" +
            "    label\n" +
            "    name\n" +
            "    birthPlace {\n" +
            "      _id\n" +
            "      label\n" +
            "    }\n" +
            "    \n" +
            "  }\n" +
            "  City_GET {\n" +
            "    _id\n" +
            "    label}\n" +
            "}");

    Model returnedModel = ModelFactory.createDefaultModel();

    try {
        HttpResponse<InputStream> response = Unirest.post("http://localhost:8080/graphql")
                .header("Accept", "application/rdf+xml")
                .body(bodyParam.toString())
                .asBinary();


        returnedModel.read(response.getBody(), "RDF/XML");

    } catch (UnirestException e) {
        e.printStackTrace();
    }

    Resource res = ResourceFactory.createResource("http://hypergraphql.org/query");
    Selector sel = new SelectorImpl(res, null, (Object) null);
    StmtIterator iterator = returnedModel.listStatements(sel);
    Set<Statement> statements = new HashSet<>();
    while (iterator.hasNext()) {
        statements.add(iterator.nextStatement());
    }

    for (Statement statement : statements) {
        returnedModel.remove(statement);
    }

    StmtIterator iterator2 = expectedModel.listStatements();
    while (iterator2.hasNext()) {
        assertTrue(returnedModel.contains(iterator2.next()));
    }

    assertTrue(expectedModel.isIsomorphicWith(returnedModel));
    externalController.stop();
    controller.stop();
    server.stop();
}
Example 8
Source File: SystemTest.java    From hypergraphql with Apache License 2.0 4 votes vote down vote up 
@Test
void integration_test() {

    Model mainModel = ModelFactory.createDefaultModel();
    final URL dbpediaContentUrl = getClass().getClassLoader().getResource("test_services/dbpedia.ttl");
    if(dbpediaContentUrl != null) {
        mainModel.read(dbpediaContentUrl.toString(), "TTL");
    }

    Model citiesModel = ModelFactory.createDefaultModel();
    final URL citiesContentUrl = getClass().getClassLoader().getResource("test_services/cities.ttl");
    if(citiesContentUrl != null) {
        citiesModel.read(citiesContentUrl.toString(), "TTL");
    }

    Model expectedModel = ModelFactory.createDefaultModel();
    expectedModel.add(mainModel).add(citiesModel);

    Dataset ds = DatasetFactory.createTxnMem();
    ds.setDefaultModel(citiesModel);
    FusekiServer server = FusekiServer.create()
            .add("/ds", ds)
            .build()
            .start();

    HGQLConfig externalConfig = HGQLConfig.fromClasspathConfig("test_services/externalconfig.json");

    Controller externalController = new Controller();
    externalController.start(externalConfig);

    HGQLConfig config = HGQLConfig.fromClasspathConfig("test_services/mainconfig.json");

    Controller controller = new Controller();
    controller.start(config);

    ObjectMapper mapper = new ObjectMapper();
    ObjectNode bodyParam = mapper.createObjectNode();

    bodyParam.put("query", "{\n" +
            "  Person_GET {\n" +
            "    _id\n" +
            "    label\n" +
            "    name\n" +
            "    birthPlace {\n" +
            "      _id\n" +
            "      label\n" +
            "    }\n" +
            "    \n" +
            "  }\n" +
            "  City_GET {\n" +
            "    _id\n" +
            "    label}\n" +
            "}");

    Model returnedModel = ModelFactory.createDefaultModel();

    try {
        HttpResponse<InputStream> response = Unirest.post("http://localhost:8080/graphql")
                .header("Accept", "application/rdf+xml")
                .body(bodyParam.toString())
                .asBinary();


        returnedModel.read(response.getBody(), "RDF/XML");

    } catch (UnirestException e) {
        e.printStackTrace();
    }

    Resource res = ResourceFactory.createResource("http://hypergraphql.org/query");
    Selector sel = new SelectorImpl(res, null, (Object) null);
    StmtIterator iterator = returnedModel.listStatements(sel);
    Set<Statement> statements = new HashSet<>();
    while (iterator.hasNext()) {
        statements.add(iterator.nextStatement());
    }

    for (Statement statement : statements) {
        returnedModel.remove(statement);
    }

    StmtIterator iterator2 = expectedModel.listStatements();
    while (iterator2.hasNext()) {
        assertTrue(returnedModel.contains(iterator2.next()));
    }

    assertTrue(expectedModel.isIsomorphicWith(returnedModel));
    externalController.stop();
    controller.stop();
    server.stop();
}