code: DataSource getFastDataSource(HsqlDatabaseDescriptor hsqlDatabase) {
  		BasicDataSource bds = new BasicDataSource();
  		bds.setDriverClassName(hsqlDatabase.getDriverClassName());
  		bds.setUsername(hsqlDatabase.getUsername());
  		bds.setPassword(hsqlDatabase.getPassword());
  		bds.setUrl(hsqlDatabase.getUrl());
  		return bds;
  	}
docs: Return a quick datasource for the given hsqldatabase.