static IDataLayer CreateDataLayer()
{
DevExpress.Xpo.Metadata.XPDictionary dict = new DevExpress.Xpo.Metadata.ReflectionDictionary();
dict.GetDataStoreSchema(typeof(Person).Assembly);
DataSetDataStore dataStore = new DataSetDataStore(new DataSet(), AutoCreateOption.DatabaseAndSchema);
using(UnitOfWork uow = new UnitOfWork(new SimpleDataLayer(dict, dataStore))) {
uow.UpdateSchema(typeof(Person));
Person p1 = new Person(uow);
p1.FirstName = "Slava";
p1.LastName = "Donchak";
Person p2 = new Person(uow);
p2.FirstName = "Dan";
p2.LastName = "Ignatov";
Product xaf = new Product(uow);
xaf.Name = "Xaf";
xaf.Manager = p2;
Product xpo = new Product(uow);
xpo.Name = "Xpo";
xpo.Manager = p1;
uow.CommitChanges();
}
return new ThreadSafeDataLayer(dict, dataStore);
}
static void Main(string[] args)
{
Console.WriteLine("Creating database/deleting records...");
using(UnitOfWork uow = new UnitOfWork()) {
uow.ConnectionString = Constants.DatabaseConnectionString;
uow.UpdateSchema(typeof(Person));
foreach(Person p in new System.Collections.ArrayList(new XPCollection<Person>(uow))) {
uow.Delete(p);
}
foreach(Product p in new System.Collections.ArrayList(new XPCollection<Product>(uow))) {
uow.Delete(p);
}
uow.CommitChanges();
}
Console.WriteLine("Creating records...");
using(UnitOfWork uow = new UnitOfWork()) {
uow.ConnectionString = Constants.DatabaseConnectionString;
uow.UpdateSchema(typeof(Person));
Person p1 = new Person(uow);
p1.FirstName = "Slava";
p1.LastName = "Donchak";
Person p2 = new Person(uow);
p2.FirstName = "Dan";
p2.LastName = "Ignatov";
Product xaf = new Product(uow);
xaf.Name = "Xaf";
xaf.Manager = p2;
Product xpo = new Product(uow);
xpo.Name = "Xpo";
xpo.Manager = p1;
uow.CommitChanges();
}
Console.WriteLine("Database is recreated.");
Console.ReadLine();
}
