code: @Override
      public void initialize() throws TTIOException {
          try {
              EnvironmentConfig config = new EnvironmentConfig();
              config = config.setSharedCache(true);
              config.setAllowCreate(true);
              config.setTransactional(true);
              config.setCachePercent(20);
              mEnv = new Environment(mFile, config);
  
              final DatabaseConfig conf = new DatabaseConfig();
              conf.setAllowCreate(true);
              conf.setTransactional(true);
  
              mDatabase = mEnv.openDatabase(null, NAME, conf);
  
          } catch (final DatabaseException exc) {
              throw new TTIOException(exc);
          }
      }
docs: {@inheritDoc}