Examples with CreateDistributionGroupRequest org.bboxdb.network.packages.request.CreateDistributionGroupRequest used on opensource projects

Example 1 with CreateDistributionGroupRequest

use of org.bboxdb.network.packages.request.CreateDistributionGroupRequest in project bboxdb by jnidzwetzki.

the class TestNetworkClasses method encodeAndDecodeCreateDistributionGroup.

/**
 * The the encoding and decoding of an create distribution group package
 * @throws IOException
 * @throws PackageEncodeException
 */
@Test(timeout = 60000)
public void encodeAndDecodeCreateDistributionGroup() throws IOException, PackageEncodeException {
    final short sequenceNumber = sequenceNumberGenerator.getNextSequenceNummber();
    final DistributionGroupConfiguration distributionGroupConfiguration = DistributionGroupConfigurationBuilder.create(4).withPlacementStrategy("abc", "def").withSpacePartitioner("efg", "ijh").withMaximumRegionSize(33333).withMinimumRegionSize(1111).withReplicationFactor((short) 11).build();
    final CreateDistributionGroupRequest groupPackage = new CreateDistributionGroupRequest(sequenceNumber, "test", distributionGroupConfiguration);
    byte[] encodedVersion = networkPackageToByte(groupPackage);
    Assert.assertNotNull(encodedVersion);
    final ByteBuffer bb = NetworkPackageDecoder.encapsulateBytes(encodedVersion);
    final CreateDistributionGroupRequest decodedPackage = CreateDistributionGroupRequest.decodeTuple(bb);
    Assert.assertEquals(groupPackage.getDistributionGroup(), decodedPackage.getDistributionGroup());
    Assert.assertEquals(groupPackage.getDistributionGroupConfiguration(), distributionGroupConfiguration);
    Assert.assertEquals(groupPackage.hashCode(), decodedPackage.hashCode());
    Assert.assertEquals(groupPackage.toString(), decodedPackage.toString());
}

Example 2 with CreateDistributionGroupRequest

use of org.bboxdb.network.packages.request.CreateDistributionGroupRequest in project bboxdb by jnidzwetzki.

the class CreateDistributionGroupHandler method handleRequest.

@Override
public /**
 * Create a new distribution group
 */
boolean handleRequest(final ByteBuffer encodedPackage, final short packageSequence, final ClientConnectionHandler clientConnectionHandler) throws IOException, PackageEncodeException {
    try {
        final CreateDistributionGroupRequest createPackage = CreateDistributionGroupRequest.decodeTuple(encodedPackage);
        final String distributionGroup = createPackage.getDistributionGroup();
        logger.info("Create distribution group: {}", distributionGroup);
        final DistributionGroupAdapter distributionGroupAdapter = ZookeeperClientFactory.getZookeeperClient().getDistributionGroupAdapter();
        final DistributionRegionAdapter distributionRegionAdapter = ZookeeperClientFactory.getZookeeperClient().getDistributionRegionAdapter();
        final List<String> knownGroups = distributionGroupAdapter.getDistributionGroups();
        if (knownGroups.contains(distributionGroup)) {
            logger.error("Untable to create distributon group {}, already exists", distributionGroup);
            final ErrorResponse responsePackage = new ErrorResponse(packageSequence, ErrorMessages.ERROR_DGROUP_EXISTS);
            clientConnectionHandler.writeResultPackage(responsePackage);
            return true;
        }
        distributionGroupAdapter.createDistributionGroup(distributionGroup, createPackage.getDistributionGroupConfiguration());
        final SpacePartitioner spacePartitioner = SpacePartitionerCache.getInstance().getSpacePartitionerForGroupName(distributionGroup);
        final DistributionRegion region = spacePartitioner.getRootNode();
        distributionRegionAdapter.setStateForDistributionRegion(region, DistributionRegionState.ACTIVE);
        clientConnectionHandler.writeResultPackage(new SuccessResponse(packageSequence));
    } catch (Exception e) {
        logger.warn("Error while create distribution group", e);
        final ErrorResponse responsePackage = new ErrorResponse(packageSequence, ErrorMessages.ERROR_EXCEPTION);
        clientConnectionHandler.writeResultPackage(responsePackage);
    }
    return true;
}