public override void Execute()
{
this.Data = new PetStoreEntities();
var countriesIds = this.Data
.Countries
.OrderBy(x => Guid.NewGuid())
.Select(x => x.Id)
.ToList();
var randomSpeciesName = this.GenerateSomeRandomeStrings(5, 50, 400).ToList();
var countryIndex = 0;
for (int i = 0; i < MaxNumberOfSpecies; i++)
{
if (countryIndex == 20)
{
countryIndex = 0;
}
var specie = new Species()
{
Name = randomSpeciesName[i],
CountryId = countriesIds[countryIndex]
};
this.Data.Species.Add(specie);
// print .
if (i % 10 == 0)
{
Console.Write(".");
}
// save dispose
if (i % 20 == 0)
{
this.Data.SaveChanges();
this.Data.Dispose();
this.Data = new PetStoreEntities();
}
countryIndex++;
}
this.Data.SaveChanges();
}
public static void ImportSpecies(int count)
{
Console.WriteLine("ImportSpecies");
var data = new PetStoreEntities();
var coutriesIds = data.Countries.Select(c => c.Id).ToList();
var countriesCount = coutriesIds.Count;
// generate 100 ids list
var countriesRandomCountryIds = new List<int>();
// add the unique 20
countriesRandomCountryIds.AddRange(coutriesIds);
// add the rest to count
for (int i = 0; i < count - countriesCount; i++)
{
var randomCountryIndex = RandomInstance.Next(0, countriesCount);
var randomId = coutriesIds[randomCountryIndex];
countriesRandomCountryIds.Add(randomId);
}
// randomize
var shuffledCountryIds = countriesRandomCountryIds.OrderBy(g => Guid.NewGuid()).ToList();
var speciesNames = new HashSet<string>();
do
{
speciesNames.Add(RandomGenerator.RandomString(5, 50));
}
while (speciesNames.Count < count);
var counter = 0;
foreach (var specie in speciesNames)
{
var id = shuffledCountryIds[0];
shuffledCountryIds.RemoveAt(0);
var newSpecie = new Species()
{
Name = specie,
CountryId = id
};
data.Species.Add(newSpecie);
counter++;
if (counter % 100 == 0)
{
data.SaveChanges();
data.Dispose();
data = new PetStoreEntities();
Console.Write(".");
}
}
data.SaveChanges();
data.Dispose();
}
