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

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


            if (queueSpec.getQueueName().getSimpleName().equals(outputName)
                && queueSpec.getOutputSchema().equals(schema)) {

              final String queueMetricsName = "process.events.out";
              final String queueMetricsTag = queueSpec.getQueueName().getSimpleName();
              QueueProducer producer = queueClientFactory.createProducer(queueSpec.getQueueName(), new QueueMetrics() {
                @Override
                public void emitEnqueue(int count) {
                  flowletContext.getProgramMetrics().increment(queueMetricsName, count, queueMetricsTag);
                }
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    this.executorFactory = executorFactory;
  }

  @Override
  public FileWriter<StreamEvent> create(StreamConfig config, int generation) throws IOException {
    final QueueProducer producer = queueClientFactory.createProducer(QueueName.fromStream(config.getName()));
    final List<TransactionAware> txAwares = Lists.newArrayList();
    if (producer instanceof TransactionAware) {
      txAwares.add((TransactionAware) producer);
    }
    final TransactionExecutor txExecutor = executorFactory.createExecutor(txAwares);

    // Adapt the FileWriter interface into Queue2Producer
    return new FileWriter<StreamEvent>() {

      private final List<StreamEvent> events = Lists.newArrayList();

      @Override
      public void append(StreamEvent event) throws IOException {
        events.add(event);
      }

      @Override
      public void close() throws IOException {
        if (producer instanceof Closeable) {
          ((Closeable) producer).close();
        }
      }

      @Override
      public void flush() throws IOException {
        try {
          txExecutor.execute(new TransactionExecutor.Subroutine() {
            @Override
            public void apply() throws Exception {
              for (StreamEvent event : events) {
                producer.enqueue(new QueueEntry(STREAM_EVENT_CODEC.encodePayload(event)));
              }
              events.clear();
            }
          });
        } catch (TransactionFailureException e) {
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    return consumer;
  }

  @Override
  public QueueProducer createProducer(QueueName queueName, QueueMetrics queueMetrics) throws IOException {
    QueueProducer producer = queueClientFactory.createProducer(queueName, queueMetrics);
    if (producer instanceof TransactionAware) {
      dataSetContext.addTransactionAware((TransactionAware) producer);
    }
    return producer;
  }
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    String[] parts = tableName.split("\\.", 2);
    String tableNamespace = "";
    if (parts.length > 0) {
      tableNamespace = parts[0];
    }
    return new DefaultTransactionStateCacheSupplier(tableNamespace, env.getConfiguration());
  }
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    String[] parts = tableName.split("\\.", 2);
    String tableNamespace = "";
    if (parts.length > 0) {
      tableNamespace = parts[0];
    }
    return new DefaultTransactionStateCacheSupplier(tableNamespace, env.getConfiguration());
  }
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    String[] parts = tableName.split("\\.", 2);
    String tableNamespace = "";
    if (parts.length > 0) {
      tableNamespace = parts[0];
    }
    return new DefaultTransactionStateCacheSupplier(tableNamespace, env.getConfiguration());
  }
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    String[] parts = tableName.split("\\.", 2);
    String tableNamespace = "";
    if (parts.length > 0) {
      tableNamespace = parts[0];
    }
    return new DefaultTransactionStateCacheSupplier(tableNamespace, env.getConfiguration());
  }
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    if (!readFilter.acceptOffset(offset) || stateWritePointer >= transaction.getWritePointer()) {
      return false;
    }

    // If state is PROCESSED and committed, need to memorize it so that it can be skipped.
    ConsumerEntryState state = QueueEntryRow.getState(stateValue);
    if (state == ConsumerEntryState.PROCESSED && transaction.isVisible(stateWritePointer)) {
      // No need to store the state value.
      cache.put(row, null);
      return true;
    }
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      if (item == null) {
        // entry was deleted (evicted or undone) after we started iterating
        continue;
      }
      // check whether this is processed already
      ConsumerEntryState state = item.getConsumerState(config.getGroupId());
      if (ConsumerEntryState.PROCESSED.equals(state)) {
        // already processed but not yet evicted. move on
        continue;
      }
      if (config.getDequeueStrategy().equals(DequeueStrategy.FIFO)) {
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    // Upgrade all user hbase tables
    upgradeUserTables(injector);

    // Upgrade all queue and stream tables.
    QueueAdmin queueAdmin = injector.getInstance(QueueAdmin.class);
    queueAdmin.upgrade();
  }
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