public Continent(CountryInformationServiceSoapClient pService, TaskCompletionSource <bool> pTcs, string pCode, string pName)
{
Countries = new List <Country>();
Code = pCode;
Name = pName;
Console.WriteLine("Retrieving the list of countries for continent {0}", Name);
Task t1 = pService.GetCountriesByContinentAsync(Code).ContinueWith(t =>
{
List <Task <bool> > tcss = new List <Task <bool> >();
DateTime d1 = DateTime.Now;
DataSet data = t.Result;
foreach (DataRow row in data.Tables[0].Rows)
{
TaskCompletionSource <bool> tcs = new TaskCompletionSource <bool>();
Countries.Add(new Country(pService, tcs, row[0].ToString(), row[1].ToString(), row[2].ToString()));
tcss.Add(tcs.Task);
}
Task.WhenAll(tcss.ToArray()).ContinueWith(ts =>
{
DateTime d2 = DateTime.Now;
ExecutionTime = (d2 - d1).TotalSeconds;
pTcs.SetResult(true);
});
});
}
public Country(CountryInformationServiceSoapClient pService, TaskCompletionSource <bool> pTcs, string pIso2, string pIso3, string pName)
{
Iso2 = pIso2;
Iso3 = pIso3;
Name = pName;
Console.WriteLine("Retrieving capital and population for country {0}", Name);
Task t1 = pService.GetCapitalByCountryAsync(Name).ContinueWith(t =>
{
Capital = t.Result;
Console.WriteLine("Capital retrieved for country {0}", Name);
});
Task t2 = pService.GetPopulationByCountryAsync(Name).ContinueWith(t =>
{
Population = long.Parse(t.Result);
Console.WriteLine("Population retrieved for country {0}", Name);
});
Task.WhenAll(t1, t2).ContinueWith(ts =>
{
pTcs.SetResult(true);
});
}
public int GetPopulation(string countryIsoCode)
{
try
{
if (_countryInformationService == null)
{
_countryInformationService = new CountryInformationServiceSoapClient("CountryInformationServiceSoap12");
}
var countryName = _countryInformationService.GetCountryByTwoLetterISOCode(countryIsoCode);
var population = _countryInformationService.GetPopulationByCountry(countryName);
int popInt;
try
{
popInt = int.Parse(population);
}
catch (FormatException)
{
popInt = -1;
}
return(popInt);
}
catch (WebException e)
{
Debug.WriteLine(e.Message);
//throw new WebException("No internet connection", e);
MessageBox.Show("Could not connect to web service, please try again later", "Internet connection (Population)");
return(-1);
}
}
static void Main(string[] args)
{
System.Net.ServicePointManager.Expect100Continue = false;
var service = new CountryInformationServiceSoapClient("CountryInformationServiceSoap12");
TaskCompletionSource <bool> tcs = new TaskCompletionSource <bool>();
World world = new World(service, tcs);
tcs.Task.Wait();
Console.WriteLine("Press any key to continue");
Console.ReadLine();
using (Stream s = File.Create(@"ContinentName.xml"))
using (XmlWriter w = XmlWriter.Create(s))
{
w.WriteStartElement("Continents");
foreach (Continent continent in world.Continents)
{
w.WriteStartElement("Continent");
w.WriteAttributeString("Name", continent.Name);
w.WriteAttributeString("Code", continent.Code);
foreach (Country country in continent.Countries)
{
w.WriteStartElement("Country");
w.WriteAttributeString("ISOCode", country.Iso2);
w.WriteAttributeString("Name", country.Name);
w.WriteElementString("Capital", country.Capital);
w.WriteElementString("Pupolation", country.Population.ToString());
w.WriteEndElement();
}
w.WriteStartElement("Execution");
w.WriteAttributeString("Time", continent.ExecutionTime.ToString());
w.WriteEndElement();
w.WriteEndElement();
}
w.WriteEndElement();
}
Console.WriteLine("File created. Press any key to continue.");
Console.ReadLine();
}
public World(CountryInformationServiceSoapClient service, TaskCompletionSource <bool> pTcs)
{
Continents = new List <Continent>();
Console.WriteLine("Retrieving the list of continents");
Task t1 = service.GetContinentsAsync().ContinueWith(t =>
{
List <Task <bool> > tcss = new List <Task <bool> >();
DataSet data = t.Result;
foreach (DataRow row in data.Tables[0].Rows)
{
TaskCompletionSource <bool> tcs = new TaskCompletionSource <bool>();
Continents.Add(new Continent(service, tcs, row[0].ToString(), row[1].ToString()));
tcss.Add(tcs.Task);
}
Task.WhenAll(tcss.ToArray()).ContinueWith(ts =>
{
pTcs.SetResult(true);
});
});
}
