Examples with EmptyResultFuture org.bboxdb.network.client.future.EmptyResultFuture used on opensource projects

Example 26 with EmptyResultFuture

use of org.bboxdb.network.client.future.EmptyResultFuture in project bboxdb by jnidzwetzki.

the class BBoxDBCluster method lockTuple.

@Override
public EmptyResultFuture lockTuple(final String table, final Tuple tuple) throws BBoxDBException {
    final DistributionRegion distributionRegion = getRootNode(table);
    final Supplier<List<NetworkOperationFuture>> supplier = () -> {
        final List<RoutingHop> hops = RoutingHopHelper.getRoutingHopsForWrite(distributionRegion, tuple.getBoundingBox());
        final List<NetworkOperationFuture> futures = new ArrayList<>();
        for (final RoutingHop hop : hops) {
            final BBoxDBInstance instance = hop.getDistributedInstance();
            final BBoxDBConnection connection = membershipConnectionService.getConnectionForInstance(instance);
            final RoutingHeader routingHeader = new RoutingHeader((short) 0, Arrays.asList(hop));
            final NetworkOperationFuture future = connection.getBboxDBClient().createLockTupleFuture(table, tuple, routingHeader);
            futures.add(future);
        }
        return futures;
    };
    // When version locking fails, try again with another version
    return new EmptyResultFuture(supplier, FutureRetryPolicy.RETRY_POLICY_NONE);
}

Example 27 with EmptyResultFuture

use of org.bboxdb.network.client.future.EmptyResultFuture in project bboxdb by jnidzwetzki.

the class BBoxDBClientExample method main.

/**
 * Connect to the BBoxDB Server at localhost and insert some tuples
 *
 * @param args
 * @throws ExecutionException
 * @throws InterruptedException
 * @throws BBoxDBException
 */
public static void main(String[] args) throws InterruptedException, ExecutionException, BBoxDBException {
    // A 2 dimensional table (member of distribution group 'mygroup3') with the name 'testdata'
    final int dimensions = 2;
    final String distributionGroup = "mygroup3";
    final String mytable = distributionGroup + "_testdata";
    // The name of the cluster
    final String clustername = "mycluster";
    // The zookeeper connect points
    final List<String> connectPoints = Arrays.asList("localhost:2181");
    // Connect to the server
    final BBoxDB bboxdbClient = new BBoxDBCluster(connectPoints, clustername);
    bboxdbClient.connect();
    // Check the connection state
    if (!bboxdbClient.isConnected()) {
        System.out.println("Error while connecting to the BBoxDB cluster");
        System.exit(-1);
    }
    // Clean the old content of the distribution group
    final EmptyResultFuture deleteGroupResult = bboxdbClient.deleteDistributionGroup(distributionGroup);
    deleteGroupResult.waitForAll();
    if (deleteGroupResult.isFailed()) {
        System.err.println("Unable to delete distribution group: " + distributionGroup);
        System.err.println(deleteGroupResult.getAllMessages());
        System.exit(-1);
    }
    // Create a new distribution group
    final DistributionGroupConfiguration configuration = DistributionGroupConfigurationBuilder.create(dimensions).withReplicationFactor((short) 3).build();
    final EmptyResultFuture createGroupResult = bboxdbClient.createDistributionGroup(distributionGroup, configuration);
    createGroupResult.waitForAll();
    if (createGroupResult.isFailed()) {
        System.err.println("Unable to create distribution group: " + distributionGroup);
        System.err.println(createGroupResult.getAllMessages());
        System.exit(-1);
    }
    // Create the table
    final TupleStoreConfiguration tableConfig = TupleStoreConfigurationBuilder.create().allowDuplicates(false).build();
    final EmptyResultFuture createTableResult = bboxdbClient.createTable(mytable, tableConfig);
    createTableResult.waitForAll();
    if (createTableResult.isFailed()) {
        System.err.println("Unable to create table group: " + mytable);
        System.err.println(createTableResult.getAllMessages());
        System.exit(-1);
    }
    // Insert two new tuples
    final Tuple tuple1 = new Tuple("key1", new BoundingBox(0d, 5d, 0d, 1d), "mydata1".getBytes());
    final EmptyResultFuture insertResult1 = bboxdbClient.insertTuple(mytable, tuple1);
    final Tuple tuple2 = new Tuple("key2", new BoundingBox(-1d, 2d, -1d, 2d), "mydata2".getBytes());
    final EmptyResultFuture insertResult2 = bboxdbClient.insertTuple(mytable, tuple2);
    // Wait for the insert operations to complete
    insertResult1.waitForAll();
    insertResult2.waitForAll();
    if (insertResult1.isFailed()) {
        System.err.println("Unable to insert tuple: " + insertResult1.getAllMessages());
        System.exit(-1);
    }
    if (insertResult2.isFailed()) {
        System.err.println("Unable to insert tuple: " + insertResult2.getAllMessages());
        System.exit(-1);
    }
    // Query by key
    final TupleListFuture resultFuture1 = bboxdbClient.queryKey(mytable, "key");
    // We got a future object, the search is performed asynchronous
    // Wait for the result
    resultFuture1.waitForAll();
    if (resultFuture1.isFailed()) {
        System.err.println("NetworkOperationFuture is failed: " + resultFuture1.getAllMessages());
        System.exit(-1);
    }
    // Output all tuples
    for (final Tuple tuple : resultFuture1) {
        System.out.println(tuple);
    }
    // Query by bounding box
    final TupleListFuture resultFuture2 = bboxdbClient.queryBoundingBox(mytable, new BoundingBox(-0.5d, 1d, -0.5d, 1d));
    // Again, we got a future object, the search is performed asynchronous
    resultFuture2.waitForAll();
    if (resultFuture2.isFailed()) {
        System.err.println("NetworkOperationFuture is failed: " + resultFuture2.getAllMessages());
        System.exit(-1);
    }
    // Output all tuples
    for (final Tuple tuple : resultFuture2) {
        System.out.println("Tuple: " + tuple);
    }
    bboxdbClient.disconnect();
}

Example 28 with EmptyResultFuture

use of org.bboxdb.network.client.future.EmptyResultFuture in project bboxdb by jnidzwetzki.

the class BBoxDBClient method lockTuple.

@Override
public EmptyResultFuture lockTuple(final String table, final Tuple tuple) throws BBoxDBException {
    final RoutingHeader routingHeader = RoutingHeaderHelper.getRoutingHeaderForLocalSystemWriteNE(table, BoundingBox.FULL_SPACE, true, connection.getServerAddress());
    final NetworkOperationFuture future = createLockTupleFuture(table, tuple, routingHeader);
    // When version locking fails, try again with another version
    return new EmptyResultFuture(future, FutureRetryPolicy.RETRY_POLICY_NONE);
}

Example 29 with EmptyResultFuture

use of org.bboxdb.network.client.future.EmptyResultFuture in project bboxdb by jnidzwetzki.

the class BBoxDBCluster method deleteTuple.

@Override
public EmptyResultFuture deleteTuple(final String table, final String key, final long timestamp) throws BBoxDBException {
    final DeletedTuple tuple = new DeletedTuple(key);
    final DistributionRegion distributionRegion = getRootNode(table);
    final Supplier<List<NetworkOperationFuture>> supplier = () -> {
        final List<RoutingHop> hops = RoutingHopHelper.getRoutingHopsForWrite(distributionRegion, tuple.getBoundingBox());
        final List<NetworkOperationFuture> futures = new ArrayList<>();
        for (final RoutingHop hop : hops) {
            final BBoxDBInstance instance = hop.getDistributedInstance();
            final BBoxDBConnection connection = membershipConnectionService.getConnectionForInstance(instance);
            final RoutingHeader routingHeader = new RoutingHeader((short) 0, Arrays.asList(hop));
            final NetworkOperationFuture future = connection.getBboxDBClient().getInsertTupleFuture(table, tuple, routingHeader);
            futures.add(future);
        }
        return futures;
    };
    return new EmptyResultFuture(supplier);
}

Example 30 with EmptyResultFuture

use of org.bboxdb.network.client.future.EmptyResultFuture in project bboxdb by jnidzwetzki.

the class PackageRouter method sendInsertPackage.

/**
 * @param insertTupleRequest
 * @return
 * @throws InterruptedException
 * @throws PackageEncodeException
 * @throws TimeoutException
 * @throws ExecutionException
 */
protected boolean sendInsertPackage(final InsertTupleRequest insertTupleRequest) throws InterruptedException, PackageEncodeException {
    final RoutingHeader routingHeader = insertTupleRequest.getRoutingHeader();
    final RoutingHop routingHop = routingHeader.getRoutingHop();
    final BBoxDBInstance receiverInstance = routingHop.getDistributedInstance();
    final BBoxDBConnection connection = MembershipConnectionService.getInstance().getConnectionForInstance(receiverInstance);
    if (connection == null) {
        logger.error("Unable to get a connection to system: {}", receiverInstance);
        return false;
    }
    final BBoxDBClient bboxDBClient = connection.getBboxDBClient();
    final EmptyResultFuture insertFuture = bboxDBClient.insertTuple(insertTupleRequest.getTable().getFullname(), insertTupleRequest.getTuple(), routingHeader);
    try {
        insertFuture.waitForAll(ROUTING_TIMEOUT_IN_SEC, TimeUnit.SECONDS);
    } catch (TimeoutException e) {
        logger.warn("Routing timeout, retry routing: {}", connection);
        return false;
    }
    final boolean operationSuccess = (!insertFuture.isFailed());
    return operationSuccess;
}