Examples with Sail org.eclipse.rdf4j.sail.Sail used on opensource projects

Example 11 with Sail

use of org.eclipse.rdf4j.sail.Sail in project incubator-rya by apache.

the class AccumuloBatchUpdatePCJ method updatePCJResults.

private void updatePCJResults(final String ryaInstanceName, final String pcjId) throws InstanceDoesNotExistException, PCJDoesNotExistException, RyaClientException {
    // Things that have to be closed before we exit.
    Sail sail = null;
    SailConnection sailConn = null;
    CloseableIteration<? extends BindingSet, QueryEvaluationException> results = null;
    try (final PrecomputedJoinStorage pcjStorage = new AccumuloPcjStorage(super.getConnector(), ryaInstanceName)) {
        // Create an instance of Sail backed by the Rya instance.
        sail = connectToRya(ryaInstanceName);
        // Purge the old results from the PCJ.
        try {
            pcjStorage.purge(pcjId);
        } catch (final PCJStorageException e) {
            throw new RyaClientException("Could not batch update PCJ with ID '" + pcjId + "' because the old " + "results could not be purged from it.", e);
        }
        // Parse the PCJ's SPARQL query.
        final PcjMetadata metadata = pcjStorage.getPcjMetadata(pcjId);
        final String sparql = metadata.getSparql();
        final SPARQLParser parser = new SPARQLParser();
        final ParsedQuery parsedQuery = parser.parseQuery(sparql, null);
        // Execute the query.
        sailConn = sail.getConnection();
        results = sailConn.evaluate(parsedQuery.getTupleExpr(), null, null, false);
        // Load the results into the PCJ table.
        final List<VisibilityBindingSet> batch = new ArrayList<>(1000);
        while (results.hasNext()) {
            final VisibilityBindingSet result = new VisibilityBindingSet(results.next(), "");
            batch.add(result);
            if (batch.size() == 1000) {
                pcjStorage.addResults(pcjId, batch);
                batch.clear();
            }
        }
        if (!batch.isEmpty()) {
            pcjStorage.addResults(pcjId, batch);
            batch.clear();
        }
    } catch (final MalformedQueryException | PCJStorageException | SailException | QueryEvaluationException e) {
        throw new RyaClientException("Fail to batch load new results into the PCJ with ID '" + pcjId + "'.", e);
    } finally {
        if (results != null) {
            try {
                results.close();
            } catch (final QueryEvaluationException e) {
                log.warn(e.getMessage(), e);
            }
        }
        if (sailConn != null) {
            try {
                sailConn.close();
            } catch (final SailException e) {
                log.warn(e.getMessage(), e);
            }
        }
        if (sail != null) {
            try {
                sail.shutDown();
            } catch (final SailException e) {
                log.warn(e.getMessage(), e);
            }
        }
    }
}

Example 12 with Sail

use of org.eclipse.rdf4j.sail.Sail in project incubator-rya by apache.

the class MongoInstall method install.

@Override
public void install(final String instanceName, final InstallConfiguration installConfig) throws DuplicateInstanceNameException, RyaClientException {
    requireNonNull(instanceName);
    requireNonNull(installConfig);
    // Check to see if a Rya instance has already been installed with this name.
    if (instanceExists.exists(instanceName)) {
        throw new DuplicateInstanceNameException("An instance of Rya has already been installed to this Rya storage " + "with the name '" + instanceName + "'. Try again with a different name.");
    }
    // Initialize the Rya Details table.
    final RyaDetails ryaDetails;
    try {
        ryaDetails = initializeRyaDetails(instanceName, installConfig);
    } catch (final AlreadyInitializedException e) {
        // This can only happen if somebody else installs an instance of Rya with the name between the check and now.
        throw new DuplicateInstanceNameException("An instance of Rya has already been installed to this Rya storage " + "with the name '" + instanceName + "'. Try again with a different name.");
    } catch (final RyaDetailsRepositoryException e) {
        throw new RyaClientException("The RyaDetails couldn't be initialized. Details: " + e.getMessage(), e);
    }
    // Initialize the rest of the collections used by the Rya instance.
    final MongoDBRdfConfiguration ryaConfig = makeRyaConfig(connectionDetails, ryaDetails);
    try {
        final Sail ryaSail = RyaSailFactory.getInstance(ryaConfig);
        ryaSail.shutDown();
    } catch (final AccumuloException | AccumuloSecurityException | RyaDAOException | InferenceEngineException e) {
        throw new RyaClientException("Could not initialize all of the tables for the new Rya instance. " + "This instance may be left in a bad state.", e);
    } catch (final SailException e) {
        throw new RyaClientException("Problem shutting down the Sail object used to install Rya.", e);
    }
}

Example 13 with Sail

use of org.eclipse.rdf4j.sail.Sail in project incubator-rya by apache.

the class MongoLoadStatementsFile method loadStatements.

@Override
public void loadStatements(final String ryaInstanceName, final Path statementsFile, final RDFFormat format) throws InstanceDoesNotExistException, RyaClientException {
    requireNonNull(ryaInstanceName);
    requireNonNull(statementsFile);
    requireNonNull(format);
    // Ensure the Rya Instance exists.
    if (!instanceExists.exists(ryaInstanceName)) {
        throw new InstanceDoesNotExistException(String.format("There is no Rya instance named '%s'.", ryaInstanceName));
    }
    Sail sail = null;
    SailRepositoryConnection sailRepoConn = null;
    try {
        // Get a Sail object that is connected to the Rya instance.
        final MongoDBRdfConfiguration ryaConf = connectionDetails.build(ryaInstanceName);
        sail = RyaSailFactory.getInstance(ryaConf);
        final SailRepository sailRepo = new SailRepository(sail);
        sailRepoConn = sailRepo.getConnection();
        // Load the file.
        sailRepoConn.add(statementsFile.toFile(), null, format);
    } catch (SailException | RyaDAOException | InferenceEngineException | AccumuloException | AccumuloSecurityException e) {
        throw new RyaClientException("Could not load statements into Rya because of a problem while creating the Sail object.", e);
    } catch (RDFParseException | RepositoryException | IOException e) {
        throw new RyaClientException("Could not load the statements into Rya.", e);
    } finally {
        // Close the resources that were opened.
        if (sailRepoConn != null) {
            try {
                sailRepoConn.close();
            } catch (final RepositoryException e) {
                log.error("Couldn't close the SailRepositoryConnection object.", e);
            }
        }
        if (sail != null) {
            try {
                sail.shutDown();
            } catch (final SailException e) {
                log.error("Couldn't close the Sail object.", e);
            }
        }
    }
}

Example 14 with Sail

use of org.eclipse.rdf4j.sail.Sail in project incubator-rya by apache.

the class MongoLoadStatements method loadStatements.

@Override
public void loadStatements(final String ryaInstanceName, final Iterable<? extends Statement> statements) throws InstanceDoesNotExistException, RyaClientException {
    requireNonNull(ryaInstanceName);
    requireNonNull(statements);
    // Ensure the Rya Instance exists.
    if (!instanceExists.exists(ryaInstanceName)) {
        throw new InstanceDoesNotExistException(String.format("There is no Rya instance named '%s'.", ryaInstanceName));
    }
    Sail sail = null;
    SailRepositoryConnection sailRepoConn = null;
    try {
        // Get a Sail object that is connected to the Rya instance.
        final MongoDBRdfConfiguration ryaConf = connectionDetails.build(ryaInstanceName);
        sail = RyaSailFactory.getInstance(ryaConf);
        final SailRepository sailRepo = new SailRepository(sail);
        sailRepoConn = sailRepo.getConnection();
        // Load the statements.
        sailRepoConn = sailRepo.getConnection();
        sailRepoConn.add(statements);
    } catch (SailException | RyaDAOException | InferenceEngineException | AccumuloException | AccumuloSecurityException e) {
        throw new RyaClientException("Could not load statements into Rya because of a problem while creating the Sail object.", e);
    } catch (final RepositoryException e) {
        throw new RyaClientException("Could not load the statements into Rya.", e);
    } finally {
        // Close the resources that were opened.
        if (sailRepoConn != null) {
            try {
                sailRepoConn.close();
            } catch (final RepositoryException e) {
                log.error("Couldn't close the SailRepositoryConnection object.", e);
            }
        }
        if (sail != null) {
            try {
                sail.shutDown();
            } catch (final SailException e) {
                log.error("Couldn't close the Sail object.", e);
            }
        }
    }
}

Example 15 with Sail

use of org.eclipse.rdf4j.sail.Sail in project incubator-rya by apache.

the class AccumuloAddUserIT method userNotAddedCanNotInsert.

/**
 * Ensure a user that has not been added to the Rya instance can not interact with it.
 */
@Test
public void userNotAddedCanNotInsert() throws Exception {
    final String user = testInstance.createUniqueUser();
    final SecurityOperations secOps = super.getConnector().securityOperations();
    final RyaClient userAClient = AccumuloRyaClientFactory.build(new AccumuloConnectionDetails(ADMIN_USER, ADMIN_USER.toCharArray(), getInstanceName(), getZookeepers()), super.getClusterInstance().getCluster().getConnector(ADMIN_USER, ADMIN_USER));
    // Install the instance of Rya.
    userAClient.getInstall().install(getRyaInstanceName(), InstallConfiguration.builder().build());
    // Create the user that will not be added to the instance of Rya, but will try to scan it.
    secOps.createLocalUser(user, new PasswordToken(user));
    // Try to add a statement the Rya instance with the unauthorized user. This should fail.
    boolean securityExceptionThrown = false;
    Sail sail = null;
    SailConnection sailConn = null;
    try {
        final AccumuloRdfConfiguration userCConf = makeRyaConfig(getRyaInstanceName(), user, user, getInstanceName(), getZookeepers());
        sail = RyaSailFactory.getInstance(userCConf);
        sailConn = sail.getConnection();
        final ValueFactory vf = sail.getValueFactory();
        sailConn.addStatement(vf.createIRI("urn:Alice"), vf.createIRI("urn:talksTo"), vf.createIRI("urn:Bob"));
    } catch (final RuntimeException e) {
        final Throwable cause = e.getCause();
        if (cause instanceof AccumuloSecurityException) {
            securityExceptionThrown = true;
        }
    } finally {
        if (sailConn != null) {
            sailConn.close();
        }
        if (sail != null) {
            sail.shutDown();
        }
    }
    assertTrue(securityExceptionThrown);
}