AggregateTransaction aggregateIncrementTransaction =
IncrementIntegerTransactionFactory.at(factoryMailbox, "counter");
IMDB db1 = new IMDB(mailboxFactory, factory, directoryPath);
db1.clearDirectory();
openDbFile.send(future, db1);
TransactionAggregator transactionAggregator1 = db1.getTransactionAggregator();
TransactionAggregatorDriver transactionAggregatorDriver =
new TransactionAggregatorDriver();
transactionAggregatorDriver.initialize(mailboxFactory.createAsyncMailbox(), transactionAggregator1);