use of org.openrdf.sail.SailConnection in project incubator-rya by apache.
the class AccumuloBatchUpdatePCJIT method batchUpdate.
@Test
public void batchUpdate() throws Exception {
// Setup a Rya Client.
final AccumuloConnectionDetails connectionDetails = new AccumuloConnectionDetails(super.getUsername(), super.getPassword().toCharArray(), super.getInstanceName(), super.getZookeepers());
final RyaClient ryaClient = AccumuloRyaClientFactory.build(connectionDetails, super.getConnector());
// Install an instance of Rya on the mini accumulo cluster.
ryaClient.getInstall().install(RYA_INSTANCE_NAME, InstallConfiguration.builder().setEnablePcjIndex(true).build());
Sail sail = null;
try (final PrecomputedJoinStorage pcjStorage = new AccumuloPcjStorage(super.getConnector(), RYA_INSTANCE_NAME)) {
// Get a Sail connection backed by the installed Rya instance.
final AccumuloRdfConfiguration ryaConf = new AccumuloRdfConfiguration();
ryaConf.setTablePrefix(RYA_INSTANCE_NAME);
ryaConf.set(ConfigUtils.CLOUDBASE_USER, super.getUsername());
ryaConf.set(ConfigUtils.CLOUDBASE_PASSWORD, super.getPassword());
ryaConf.set(ConfigUtils.CLOUDBASE_ZOOKEEPERS, super.getZookeepers());
ryaConf.set(ConfigUtils.CLOUDBASE_INSTANCE, super.getInstanceName());
ryaConf.set(ConfigUtils.USE_PCJ, "true");
ryaConf.set(ConfigUtils.PCJ_STORAGE_TYPE, PrecomputedJoinStorageType.ACCUMULO.toString());
ryaConf.set(ConfigUtils.PCJ_UPDATER_TYPE, PrecomputedJoinUpdaterType.NO_UPDATE.toString());
sail = RyaSailFactory.getInstance(ryaConf);
// Load some statements into the Rya instance.
final ValueFactory vf = sail.getValueFactory();
final SailConnection sailConn = sail.getConnection();
sailConn.begin();
sailConn.addStatement(vf.createURI("urn:Alice"), vf.createURI("urn:likes"), vf.createURI("urn:icecream"));
sailConn.addStatement(vf.createURI("urn:Bob"), vf.createURI("urn:likes"), vf.createURI("urn:icecream"));
sailConn.addStatement(vf.createURI("urn:Charlie"), vf.createURI("urn:likes"), vf.createURI("urn:icecream"));
sailConn.addStatement(vf.createURI("urn:David"), vf.createURI("urn:likes"), vf.createURI("urn:icecream"));
sailConn.addStatement(vf.createURI("urn:Eve"), vf.createURI("urn:likes"), vf.createURI("urn:icecream"));
sailConn.addStatement(vf.createURI("urn:Frank"), vf.createURI("urn:likes"), vf.createURI("urn:icecream"));
sailConn.addStatement(vf.createURI("urn:George"), vf.createURI("urn:likes"), vf.createURI("urn:icecream"));
sailConn.addStatement(vf.createURI("urn:Hillary"), vf.createURI("urn:likes"), vf.createURI("urn:icecream"));
sailConn.addStatement(vf.createURI("urn:Alice"), vf.createURI("urn:hasEyeColor"), vf.createURI("urn:blue"));
sailConn.addStatement(vf.createURI("urn:Bob"), vf.createURI("urn:hasEyeColor"), vf.createURI("urn:blue"));
sailConn.addStatement(vf.createURI("urn:Charlie"), vf.createURI("urn:hasEyeColor"), vf.createURI("urn:blue"));
sailConn.addStatement(vf.createURI("urn:David"), vf.createURI("urn:hasEyeColor"), vf.createURI("urn:blue"));
sailConn.addStatement(vf.createURI("urn:Eve"), vf.createURI("urn:hasEyeColor"), vf.createURI("urn:blue"));
sailConn.addStatement(vf.createURI("urn:Frank"), vf.createURI("urn:hasEyeColor"), vf.createURI("urn:blue"));
sailConn.addStatement(vf.createURI("urn:George"), vf.createURI("urn:hasEyeColor"), vf.createURI("urn:green"));
sailConn.addStatement(vf.createURI("urn:Hillary"), vf.createURI("urn:hasEyeColor"), vf.createURI("urn:brown"));
sailConn.commit();
sailConn.close();
// Create a PCJ for a SPARQL query.
final String sparql = "SELECT ?name WHERE { ?name <urn:likes> <urn:icecream> . ?name <urn:hasEyeColor> <urn:blue> . }";
final String pcjId = pcjStorage.createPcj(sparql);
// Run the test.
ryaClient.getBatchUpdatePCJ().batchUpdate(RYA_INSTANCE_NAME, pcjId);
// Verify the correct results were loaded into the PCJ table.
final Set<BindingSet> expectedResults = new HashSet<>();
MapBindingSet bs = new MapBindingSet();
bs.addBinding("name", vf.createURI("urn:Alice"));
expectedResults.add(bs);
bs = new MapBindingSet();
bs.addBinding("name", vf.createURI("urn:Bob"));
expectedResults.add(bs);
bs = new MapBindingSet();
bs.addBinding("name", vf.createURI("urn:Charlie"));
expectedResults.add(bs);
bs = new MapBindingSet();
bs.addBinding("name", vf.createURI("urn:David"));
expectedResults.add(bs);
bs = new MapBindingSet();
bs.addBinding("name", vf.createURI("urn:Eve"));
expectedResults.add(bs);
bs = new MapBindingSet();
bs.addBinding("name", vf.createURI("urn:Frank"));
expectedResults.add(bs);
final Set<BindingSet> results = new HashSet<>();
try (CloseableIterator<BindingSet> resultsIt = pcjStorage.listResults(pcjId)) {
while (resultsIt.hasNext()) {
results.add(resultsIt.next());
}
}
assertEquals(expectedResults, results);
} finally {
if (sail != null) {
sail.shutDown();
}
}
}
use of org.openrdf.sail.SailConnection 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);
}
}
}
}
use of org.openrdf.sail.SailConnection in project incubator-rya by apache.
the class AccumuloAddUserIT method userAddedCanInsert.
/**
* Ensure a user that has been added to the Rya instance can interact with it.
*/
@Test
public void userAddedCanInsert() 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));
// 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));
// Install the instance of Rya.
userAClient.getInstall().install(getRyaInstanceName(), InstallConfiguration.builder().build());
// Add the user.
userAClient.getAddUser().get().addUser(getRyaInstanceName(), user);
// Try to add a statement to the Rya instance. This should succeed.
Sail sail = null;
SailConnection sailConn = null;
try {
final AccumuloRdfConfiguration userDConf = makeRyaConfig(getRyaInstanceName(), user, user, getInstanceName(), getZookeepers());
sail = RyaSailFactory.getInstance(userDConf);
sailConn = sail.getConnection();
final ValueFactory vf = sail.getValueFactory();
sailConn.begin();
sailConn.addStatement(vf.createURI("urn:Alice"), vf.createURI("urn:talksTo"), vf.createURI("urn:Bob"));
sailConn.close();
} finally {
if (sailConn != null) {
sailConn.close();
}
if (sail != null) {
sail.shutDown();
}
}
}
use of org.openrdf.sail.SailConnection 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.createURI("urn:Alice"), vf.createURI("urn:talksTo"), vf.createURI("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);
}
use of org.openrdf.sail.SailConnection in project blueprints by tinkerpop.
the class GraphSailTest method testIsolatedVerticesAutomaticallyDeleted.
@Test
public void testIsolatedVerticesAutomaticallyDeleted() throws Exception {
String ex = "http://example.org/ns#";
URI ref = new URIImpl(ex + "Ref");
clear();
int edgesBefore, verticesBefore;
SailConnection sc = sail.getConnection();
try {
sc.begin();
edgesBefore = countEdges();
verticesBefore = countVertices();
} finally {
sc.commit();
sc.close();
}
addFile(SailTest.class.getResourceAsStream("graph-example-bnodes.trig"), RDFFormat.TRIG);
sc = sail.getConnection();
// showStatements(sc, null, null, null);
try {
sc.begin();
assertEquals(14, countStatements(sc, null, null, null, false));
assertEquals(edgesBefore + 14, countEdges());
assertEquals(verticesBefore + 10, countVertices());
sc.removeStatements(ref, null, null);
sc.commit();
sc.begin();
assertEquals(13, countStatements(sc, null, null, null, false));
assertEquals(edgesBefore + 13, countEdges());
assertEquals(verticesBefore + 9, countVertices());
sc.clear();
sc.commit();
sc.begin();
assertEquals(0, countStatements(sc, null, null, null, false));
assertEquals(0, countEdges());
// Namespaces vertex is still present.
assertEquals(verticesBefore, countVertices());
} finally {
sc.rollback();
sc.close();
}
}
Aggregations