public void DumpCars()
{
try
{
using (var scope = new TransactionScope())
{
using (ObjyConnection objyConnection = new ObjyConnection())
{
objyConnection.Open(OpenMode.Read);
foreach (Car car in _Cars)
{
Console.WriteLine("Car => ID:{0}, Manufacture:{1}, Model:{2}, Year:{3} ",
car.Id, car.Manufacturer, car.Model, car.Year);
Console.WriteLine(" Engine => Description:{0}, HorsePower:{1}",
car.Engine.Description, car.Engine.HorsePower);
for (int i = 0; i < car.Engine.Cylinders.Length; i++)
{
Console.WriteLine(" Cylynder => ID:{0}", car.Engine.Cylinders[i].Id);
}
for (int i = 0; i < car.Wheels.Length; i++)
{
Console.WriteLine(" Wheel => ID:{0}, Location:{1}", car.Wheels[i].Id, car.Wheels[i].Location);
}
}
}
scope.Complete();
}
}
catch (Objectivity.Db.KernelException ex)
{
Console.WriteLine("Exception in PersistentCarFactory() {0}", ex.FullMessage);
}
}
/// <summary>
/// Had hard coded data - Needs to call database for data
/// </summary>
public void LoadCars()
{
try
{
using (var scope = new TransactionScope())
{
//ObjyConnection connection = GetConnection();
using (ObjyConnection objyConnection = new ObjyConnection())
{
objyConnection.Open(OpenMode.Update);
// find the existing cars in the DB.
var foundCars = objyConnection.Federation.Scan <Car>();
foreach (Car carObj in foundCars)
{
_Cars.Add(carObj);
}
if (Cars.Count == 0)
{
// this can be replaced with a car factory method to construct all elements.
Engine engine = new Engine(null)
{
Description = "V4",
HorsePower = 2500
};
AddCylinders(engine, 4);
Car car = new Car(null)
{
Id = 1,
Manufacturer = "Honda",
Model = "Accord",
Year = 2017
};
car.Engine = engine;
AddWheels(car);
_Cars.Add(car);
car = new Car(null)
{
Id = 2,
Manufacturer = "Honda",
Model = "Accord",
Engine = new Engine(null)
{
Description = "V6",
HorsePower = 3500
},
Year = 2017
};
AddCylinders(car.Engine, 6);
AddWheels(car);
_Cars.Add(car);
}
}
scope.Complete();
}
}
catch (Objectivity.Db.KernelException ex)
{
Console.WriteLine("Exception in PersistentCarFactory() {0}", ex.FullMessage);
}
}
