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Changes API: How to subscribe to bulk insert operation changes?

forBulkInsert method can be used to acquire notifications for bulk insert operations.

Syntax

public IObservable<BulkInsertChangeNotification> forBulkInsert(UUID operationId);
Parameters
operationId UUID Id of bulk insert operation, generated when bulk insert operation is created.
ReturnValue
IObservable<BulkInsertChangeNotification> Observable that allows to add subscriptions to notifications for bulk insert operation with given id.

Example

try (BulkInsertOperation bulkInsert = store.bulkInsert()) {
  Closeable subscription = store
    .changes()
    .forBulkInsert(bulkInsert.getOperationId())
    .subscribe(Observers.create(new Action1<BulkInsertChangeNotification>() {
      @Override
      public void apply(BulkInsertChangeNotification change) {
        switch (change.getType()) {
          case BULK_INSERT_STARTED:
            // do something
            break;
          case BULK_INSERT_ENDED:
            // do something
            break;
          case BULK_INSERT_ERROR:
            // do something
            break;
          default:
            break;
        }
      }
    }));

  try {
    for (int i = 0; i < 1000 * 1000; i++) {
      Employee employee = new Employee();
      employee.setFirstName("FirstName #" + i);
      employee.setLastName("LastName #" + i);
      bulkInsert.store(employee);
    }
  } finally {
    if (subscription != null) {
      subscription.close();
    }
  }
}