/// <summary>
/// The method combines the population information of countries obtained from
/// database and API in Dictionary, if the same country information in both
/// data sources information from database is given preference.
/// </summary>
/// <returns>Dictionary with all the countries and its population
/// key as country name and value as populations
/// </returns>
public Dictionary <string, int> GetCountryPopulations()
{
Dictionary <string, int> dict = sqliteDbManagerImpl.GetCountryPopulations();
StatsUtilityServices helper = new StatsUtilityServices();
IStatService statServiceFromConcrete = new ConcreteStatService();
List <Tuple <string, int> > listFromConcrete = statServiceFromConcrete.GetCountryPopulations();
helper.AddPopulationsToDictionary(dict, listFromConcrete);
Console.WriteLine("Total results and merging both lists --------------------------------------size : " + dict.Count);
return(dict);
}
static void Main(string[] args)
{
Console.WriteLine("Started");
Console.WriteLine("Getting DB Connection...");
IDbManager db = new SqliteDbManager();
DbConnection conn = db.getConnection();
if (conn == null)
{
Console.WriteLine("Failed to get connection");
}
StatsUtilityServices helperServices = new StatsUtilityServices();
IStatAggregateService statAggregateService = new StatAggregateServiceImpl();
//Retrieving countries and its populations
Dictionary <string, int> populationResults = statAggregateService.GetCountryPopulations();
helperServices.PrintDictionary(populationResults);
Console.ReadKey();
}
