Package co.cask.cdap.data2.transaction.queue.hbase

Examples of co.cask.cdap.data2.transaction.queue.hbase.HBaseQueueAdmin

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  @Override
  public DatasetSpecification create(String instanceName, DatasetTypeMeta typeMeta, DatasetProperties props)
    throws Exception {

    DatasetType type = client.getDatasetType(typeMeta, null);

    if (type == null) {
      throw new IllegalArgumentException("Dataset type cannot be instantiated for provided type meta: " + typeMeta);
    }

    DatasetSpecification spec = type.configure(instanceName, props);
    DatasetAdmin admin = type.getAdmin(spec);
    admin.create();

    return spec;
  }
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    return spec;
  }

  @Override
  public void drop(DatasetSpecification spec, DatasetTypeMeta typeMeta) throws Exception {
    DatasetType type = client.getDatasetType(typeMeta, null);

    if (type == null) {
      throw new IllegalArgumentException("Dataset type cannot be instantiated for provided type meta: " + typeMeta);
    }

    DatasetAdmin admin = type.getAdmin(spec);
    admin.drop();
  }
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        opExecutorClient.upgrade(instanceName);
      } else {
        throw new HandlerException(HttpResponseStatus.NOT_FOUND, "Invalid admin operation: " + method);
      }

      DatasetAdminOpResponse response = new DatasetAdminOpResponse(result, message);
      responder.sendJson(HttpResponseStatus.OK, response);
    } catch (HandlerException e) {
      LOG.debug("Handler error", e);
      responder.sendStatus(e.getFailureStatus());
    } catch (Exception e) {
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    if (datasetName == null) {
      throw new IOException("Dataset name property could not be found.");
    }

    try {
      DatasetFramework framework = context.getDatasetFramework();

      ClassLoader classLoader = DATASET_CLASSLOADERS.get(datasetName);
      Dataset dataset;
      if (classLoader == null) {
        if (conf == null) {
          throw new NullJobConfException();
        }
        classLoader = conf.getClassLoader();
        dataset = firstLoad(framework, datasetName, classLoader);
      } else {
        dataset = framework.getDataset(datasetName, DatasetDefinition.NO_ARGUMENTS, classLoader);
      }
      return dataset;
    } catch (DatasetManagementException e) {
      throw new IOException(e);
    } finally {
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    );

    ZKClientService zkClientService = injector.getInstance(ZKClientService.class);
    zkClientService.startAndWait();

    DatasetFramework datasetFramework = injector.getInstance(DatasetFramework.class);
    return new Context(datasetFramework, zkClientService);
  }
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        ProcessMethod processMethod = processMethodFactory.create(method, maxRetries);
        Set<String> inputNames;
        Schema schema;
        TypeToken<?> dataType;
        ConsumerConfig consumerConfig;
        int batchSize = 1;

        if (tickAnnotation != null) {
          inputNames = ImmutableSet.of();
          consumerConfig = new ConsumerConfig(0, 0, 1, DequeueStrategy.FIFO, null);
          schema = Schema.of(Schema.Type.NULL);
          dataType = TypeToken.of(void.class);
        } else {
          inputNames = Sets.newHashSet(processInputAnnotation.value());
          if (inputNames.isEmpty()) {
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      Preconditions.checkArgument(!hashKey.isEmpty(), "Partition key cannot be empty: %s", method.getName());
    } else if (roundRobin != null) {
      strategy = DequeueStrategy.ROUND_ROBIN;
    }

    return new ConsumerConfig(flowletContext.getGroupId(), flowletContext.getInstanceId(),
                              flowletContext.getInstanceCount(), strategy, hashKey);
  }
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    int groupSize = dataInput.readInt();
    int instanceId = dataInput.readInt();
    DequeueStrategy strategy = WritableUtils.readEnum(dataInput, DequeueStrategy.class);
    String hashKey = WritableUtils.readString(dataInput);

    return new ConsumerConfig(groupId, instanceId, groupSize, strategy, hashKey);
  }
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   * @param groupSize New group size.
   */
  void open(int groupSize) {
    try {
      close();
      ConsumerConfig config = consumerConfig;
      if (groupSize != config.getGroupSize()) {
        config = new ConsumerConfig(consumerConfig.getGroupId(),
                                    consumerConfig.getInstanceId(),
                                    groupSize,
                                    consumerConfig.getDequeueStrategy(),
                                    consumerConfig.getHashKey());
      }
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*/
public class DequeueScanObserver extends BaseRegionObserver {
  @Override
  public RegionScanner preScannerOpen(ObserverContext<RegionCoprocessorEnvironment> e, Scan scan, RegionScanner s)
    throws IOException {
    ConsumerConfig consumerConfig = DequeueScanAttributes.getConsumerConfig(scan);
    Transaction tx = DequeueScanAttributes.getTx(scan);
    byte[] queueRowPrefix = DequeueScanAttributes.getQueueRowPrefix(scan);

    if (consumerConfig == null || tx == null || queueRowPrefix == null) {
      return super.preScannerOpen(e, scan, s);
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Related Classes of co.cask.cdap.data2.transaction.queue.hbase.HBaseQueueAdmin

  • co.cask.cdap.api.dataset.DatasetAdmin
  • co.cask.cdap.api.dataset.DatasetDefinition
  • co.cask.cdap.api.dataset.DatasetSpecification
  • co.cask.cdap.api.dataset.table.ConflictDetection
  • co.cask.cdap.api.dataset.table.Result
  • co.cask.cdap.api.dataset.table.Row
  • co.cask.cdap.api.dataset.table.Scanner
  • co.cask.cdap.api.security.ACL
  • co.cask.cdap.common.hooks.MetricsReporterHook
  • co.cask.cdap.common.http.HttpRequest
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