private Driver loadDriverUsingURL() throws SQLException {
    return DriverManager.getDriver(url);
  }
Implementation of datasource function. This method is used to get the connection. The specified
user name and passowrd will be used.

@param clUsername The username for the database connection.
@param clPassword The password for the database connection.
geode-core/src/main/java/org/apache/geode/internal/datasource/GemFireBasicDataSource.java