Package co.cask.cdap.common.queue

Examples of co.cask.cdap.common.queue.QueueName

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                                             Tick tickAnnotation) {
        List<QueueReader<T>> queueReaders = Lists.newLinkedList();

        for (Map.Entry<Node, Set<QueueSpecification>> entry : queueSpecs.column(flowletName).entrySet()) {
          for (QueueSpecification queueSpec : entry.getValue()) {
            final QueueName queueName = queueSpec.getQueueName();

            if (queueSpec.getInputSchema().equals(schema)
              && (inputNames.contains(queueName.getSimpleName())
              || inputNames.contains(FlowletDefinition.ANY_INPUT))) {

              if (entry.getKey().getType() == FlowletConnection.Type.STREAM) {
                ConsumerSupplier<StreamConsumer> consumerSupplier = ConsumerSupplier.create(dataFabricFacade,
                                                                                            queueName, consumerConfig);
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   */
  private Service createServiceHook(String flowletName, Iterable<ConsumerSupplier<?>> consumerSuppliers,
                                    AtomicReference<FlowletProgramController> controller) {
    final List<String> streams = Lists.newArrayList();
    for (ConsumerSupplier<?> consumerSupplier : consumerSuppliers) {
      QueueName queueName = consumerSupplier.getQueueName();
      if (queueName.isStream()) {
        streams.add(queueName.getSimpleName());
      }
    }

    // If no stream, returns a no-op Service
    if (streams.isEmpty()) {
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    }
  }

  @Override
  public StreamWriter getStreamWriter(String streamName) {
    QueueName queueName = QueueName.fromStream(streamName);
    return streamWriterFactory.create(queueName, accountId, applicationId);
  }
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    create(QueueName.from(URI.create(name)));
  }

  @Override
  public void truncate(String name) throws Exception {
    QueueName queueName = QueueName.from(URI.create(name));
    // all queues for one flow are stored in same table, and we would clear all of them. this makes it optional.
    if (doTruncateTable(queueName)) {
      byte[] tableNameBytes = Bytes.toBytes(getActualTableName(queueName));
      truncate(tableNameBytes);
    } else {
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    deleteConsumerConfigurations(app, flow);
  }

  @Override
  public void drop(String name) throws Exception {
    QueueName queueName = QueueName.from(URI.create(name));
    // all queues for one flow are stored in same table, and we would drop all of them. this makes it optional.
    if (doDropTable(queueName)) {
      byte[] tableNameBytes = Bytes.toBytes(getActualTableName(queueName));
      drop(tableNameBytes);
    } else {
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    deleteConsumerConfigurations(queueName);
  }

  @Override
  public void upgrade(String name, Properties properties) throws Exception {
    QueueName queueName = QueueName.from(URI.create(name));
    String hBaseTableName = getActualTableName(queueName);
    AbstractHBaseDataSetAdmin dsAdmin = new DatasetAdmin(hBaseTableName, hConf, tableUtil);
    try {
      dsAdmin.upgrade();
    } finally {
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    create(name);
  }

  @Override
  public void truncate(String name) throws Exception {
    QueueName queueName = QueueName.from(URI.create(name));
    // all queues for one flow are stored in same table, and we would clear all of them. this makes it optional.
    if (doTruncateTable(queueName)) {
      String actualTableName = getActualTableName(queueName);
      service.dropTable(actualTableName);
      service.ensureTableExists(actualTableName);
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    service.dropTable(tableName);
  }

  @Override
  public void drop(String name) throws Exception {
    QueueName queueName = QueueName.from(URI.create(name));
    // all queues for one flow are stored in same table, and we would drop all of them. this makes it optional.
    if (doDropTable(queueName)) {
      String actualTableName = getActualTableName(queueName);
      service.dropTable(actualTableName);
    } else {
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          currentQueue = null;
        }

        // This row is a queue entry. If currentQueue is null, meaning it's a new queue encountered during scan.
        if (currentQueue == null) {
          QueueName queueName = QueueEntryRow.getQueueName(appName, flowName, keyValue);
          currentQueue = queueName.toBytes();
          currentQueueRowPrefix = QueueEntryRow.getQueueRowPrefix(queueName);
          consumerConfig = configCache.getConsumerConfig(currentQueue);
        }

        if (consumerConfig == null) {
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          currentQueue = null;
        }

        // This row is a queue entry. If currentQueue is null, meaning it's a new queue encountered during scan.
        if (currentQueue == null) {
          QueueName queueName = QueueEntryRow.getQueueName(
              appName, flowName, cell.getRowArray(), cell.getRowOffset(), cell.getRowLength());
          currentQueue = queueName.toBytes();
          currentQueueRowPrefix = QueueEntryRow.getQueueRowPrefix(queueName);
          consumerConfig = configCache.getConsumerConfig(currentQueue);
        }

        if (consumerConfig == null) {
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Related Classes of co.cask.cdap.common.queue.QueueName

  • co.cask.cdap.data2.transaction.queue.coprocessor.hbase94.HBaseQueueRegionObserver$EvictionInternalScanner
  • co.cask.cdap.data2.transaction.queue.coprocessor.hbase96.HBaseQueueRegionObserver$EvictionInternalScanner
  • co.cask.cdap.data2.transaction.queue.hbase.HBaseQueueAdmin
  • co.cask.cdap.data2.transaction.queue.leveldb.LevelDBQueueAdmin
  • co.cask.cdap.internal.app.runtime.flow.FlowletProgramRunner
  • co.cask.cdap.metrics.query.MetricsRequestExecutor
  • co.cask.cdap.test.internal.DefaultApplicationManager
  • java.net.URI
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