DataSource dataSource = (DataSource) context.lookup("java:/comp/env/jdbc/demosceneMusic");
Database database = AbstractDatabase.fromDataSource(dataSource);
dataManager = new DataManager(database);
DataSource dataSource = (DataSource) context.lookup("java:/comp/env/jdbc/demosceneMusic");
Database database = AbstractDatabase.fromDataSource(dataSource);
dataManager = new DataManager(database);