code: public <R> R executeTransactionalCommand(final TransactionalCommand<R> command, final int retryCount)
              throws MithraBusinessException
      {
          return this.executeTransactionalCommand(command, new TransactionStyle(this.transactionTimeout, retryCount));
      }
docs: executes the given transactional command with the custom number of retries
  @param command
  @param retryCount number of times to retry if the exception is retriable (e.g. deadlock)
  @throws MithraBusinessException