Examples of LevelDBOrderedTableCore

Examples of co.cask.cdap.data2.dataset2.lib.table.leveldb.LevelDBOrderedTableCore

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  @Override
  public QueueConsumer createConsumer(QueueName queueName, ConsumerConfig consumerConfig, int numGroups)
    throws IOException {
    LevelDBQueueAdmin admin = ensureTableExists(queueName);
    LevelDBOrderedTableCore core = new LevelDBOrderedTableCore(admin.getActualTableName(queueName), service);
    // only the first consumer of each group runs eviction; and only if the number of consumers is known (> 0).
    QueueEvictor evictor = (numGroups <= 0 || consumerConfig.getInstanceId() != 0) ? QueueEvictor.NOOP :
      new LevelDBQueueEvictor(core, queueName, numGroups, evictionExecutor);
    return new LevelDBQueueConsumer(core, getQueueLock(queueName.toString()), consumerConfig, queueName, evictor);
  }
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Examples of co.cask.cdap.data2.dataset2.lib.table.leveldb.LevelDBOrderedTableCore

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  @Override
  public QueueProducer createProducer(QueueName queueName, QueueMetrics queueMetrics) throws IOException {
    LevelDBQueueAdmin admin = ensureTableExists(queueName);
    return new LevelDBQueueProducer(
      new LevelDBOrderedTableCore(admin.getActualTableName(queueName), service), queueName, queueMetrics);
  }
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Examples of co.cask.cdap.data2.dataset2.lib.table.leveldb.LevelDBOrderedTableCore

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                                  FileReader<StreamEventOffset, Iterable<StreamFileOffset>> reader,
                                  @Nullable ReadFilter extraFilter) throws IOException {

    tableService.ensureTableExists(tableName);

    LevelDBOrderedTableCore tableCore = new LevelDBOrderedTableCore(tableName, tableService);
    Object dbLock = getDBLock(tableName);
    return new LevelDBStreamFileConsumer(cConf, streamConfig, consumerConfig, reader,
                                         stateStore, beginConsumerState, extraFilter,
                                         tableCore, dbLock);
  }
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Examples of co.cask.cdap.data2.dataset2.lib.table.leveldb.LevelDBOrderedTableCore

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  @Override
  public synchronized StreamConsumerStateStore create(StreamConfig streamConfig) throws IOException {
    if (coreTable == null) {
      tableService.ensureTableExists(tableName);
      coreTable = new LevelDBOrderedTableCore(tableName, tableService);
    }
    return new LevelDBStreamConsumerStateStore(streamConfig, coreTable);
  }
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