Examples with BBoxDBException org.bboxdb.misc.BBoxDBException used on opensource projects

Example 26 with BBoxDBException

use of org.bboxdb.misc.BBoxDBException in project bboxdb by jnidzwetzki.

the class BBoxDBCluster method queryVersionTime.

@Override
public TupleListFuture queryVersionTime(final String table, final long timestamp) throws BBoxDBException {
    if (membershipConnectionService.getNumberOfConnections() == 0) {
        throw new BBoxDBException("queryTime called, but connection list is empty");
    }
    if (logger.isDebugEnabled()) {
        logger.debug("Query by for timestamp {} in table {}", timestamp, table);
    }
    final DistributionRegion distributionRegion = getRootNode(table);
    final Supplier<List<NetworkOperationFuture>> futureProvider = () -> {
        final List<RoutingHop> hops = RoutingHopHelper.getRoutingHopsForRead(distributionRegion, BoundingBox.FULL_SPACE);
        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().getVersionTimeFuture(table, timestamp, routingHeader);
            futures.add(future);
        }
        return futures;
    };
    return new TupleListFuture(futureProvider, new DoNothingDuplicateResolver(), table);
}

Example 27 with BBoxDBException

use of org.bboxdb.misc.BBoxDBException in project bboxdb by jnidzwetzki.

the class BBoxDBCluster method queryBoundingBoxContinuous.

/**
 * Execute a continuous bounding box query
 * @throws BBoxDBException
 */
@Override
public TupleListFuture queryBoundingBoxContinuous(final String table, final BoundingBox boundingBox) throws BBoxDBException {
    final DistributionRegion distributionRegion = getRootNode(table);
    final List<DistributionRegion> regions = distributionRegion.getDistributionRegionsForBoundingBox(boundingBox);
    if (regions.size() != 1) {
        throw new BBoxDBException("The bounding box belongs to more than one distribution region, " + "this is not supported in continuous queries");
    }
    final DistributionRegion region = regions.get(0);
    final BBoxDBInstance firstSystem = region.getSystems().get(0);
    final BBoxDBConnection connection = membershipConnectionService.getConnectionForInstance(firstSystem);
    return connection.getBboxDBClient().queryBoundingBoxContinuous(table, boundingBox);
}

Example 28 with BBoxDBException

use of org.bboxdb.misc.BBoxDBException in project bboxdb by jnidzwetzki.

the class BBoxDBCluster method insertTuple.

@Override
public EmptyResultFuture insertTuple(final String table, final Tuple tuple) throws BBoxDBException {
    final DistributionRegion distributionRegion = getRootNode(table);
    final List<RoutingHop> hops = RoutingHopHelper.getRoutingHopsForWrite(distributionRegion, tuple.getBoundingBox());
    final RoutingHeader routingHeader = new RoutingHeader((short) -1, hops);
    if (hops.isEmpty()) {
        final String errorMessage = "Insert tuple called, but hop list for bounding box is empty: " + tuple.getBoundingBox();
        throw new BBoxDBException(errorMessage);
    }
    // Determine the first system, it will route the request to the remaining systems
    final BBoxDBInstance system = hops.get(0).getDistributedInstance();
    final BBoxDBConnection connection = membershipConnectionService.getConnectionForInstance(system);
    if (connection == null) {
        final String errorMessage = "Unable to insert tuple, no connection to system: " + system;
        throw new BBoxDBException(errorMessage);
    }
    return connection.getBboxDBClient().insertTuple(table, tuple, routingHeader);
}

Example 29 with BBoxDBException

use of org.bboxdb.misc.BBoxDBException in project bboxdb by jnidzwetzki.

the class TupleStoreFlushZookeeperAdapter method accept.

@Override
public void accept(final TupleStoreName ssTableName, final Long flushTimestamp) {
    // Fetch the local instance
    final BBoxDBInstance localInstance = ZookeeperClientFactory.getLocalInstanceName();
    try {
        final String distributionGroup = ssTableName.getDistributionGroup();
        final SpacePartitioner spacepartitioner = SpacePartitionerCache.getInstance().getSpacePartitionerForGroupName(distributionGroup);
        final DistributionRegion distributionGroupRoot = spacepartitioner.getRootNode();
        if (distributionGroupRoot == null) {
            logger.error("Root for {} is null, not executing callback", ssTableName);
            return;
        }
        final long regionId = ssTableName.getRegionId().getAsLong();
        final DistributionRegion distributionRegion = DistributionRegionHelper.getDistributionRegionForNamePrefix(distributionGroupRoot, regionId);
        logger.debug("Updating checkpoint for: {} to {}", ssTableName.getFullname(), flushTimestamp);
        final DistributionRegionAdapter distributionRegionAdapter = ZookeeperClientFactory.getZookeeperClient().getDistributionRegionAdapter();
        if (distributionRegionAdapter != null && distributionRegion != null) {
            distributionRegionAdapter.setCheckpointForDistributionRegion(distributionRegion, localInstance, flushTimestamp);
        }
    } catch (ZookeeperException | BBoxDBException e) {
        if (Thread.currentThread().isInterrupted()) {
            return;
        }
        logger.warn("Unable to find distribution region: ", e);
    } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        return;
    }
}

Example 30 with BBoxDBException

use of org.bboxdb.misc.BBoxDBException in project bboxdb by jnidzwetzki.

the class TestBoundingBoxQuery method runExperiment.

/**
 * Run the experiment with the max dimension size
 * @param boundingBox
 * @param bboxDBConnection
 * @param sampleSize
 * @throws BBoxDBException
 * @throws IOException
 */
protected void runExperiment(final double maxDimensionSize, final BoundingBox boundingBox, final BBoxDB bboxDBConnection) {
    try {
        System.out.println("# Simulating with max dimension size: " + maxDimensionSize);
        long totalElapsedTime = 0;
        for (int execution = 0; execution < RETRIES; execution++) {
            final Stopwatch stopwatch = Stopwatch.createStarted();
            executeQueries(maxDimensionSize, boundingBox, bboxDBConnection);
            final long elapsedTime = stopwatch.elapsed(TimeUnit.MILLISECONDS);
            System.out.println("#" + elapsedTime);
            totalElapsedTime += elapsedTime;
        }
        System.out.println(maxDimensionSize + "\t" + totalElapsedTime / RETRIES);
    } catch (Exception e) {
        System.err.println("Got exception while executing experiment: " + e);
        System.exit(-1);
    }
}