static void Main()
{
var commandProcessor = new CommandQueueProcessor
{
Snapshots = new Queue <IMemento>()
};
var order = new Order
{
List = new List <IProduct>()
};
var addProductCommand = new AddProductCommand
{
Order = order,
Product = new Product
{
Name = "First",
Count = 10,
Price = 100,
Guid = Guid.NewGuid()
}
};
commandProcessor.AddCommandToExecute(addProductCommand);
addProductCommand.Product = new Product
{
Count = 20,
Price = 200,
Guid = Guid.NewGuid(),
Name = "Secon"
};
commandProcessor.AddCommandToExecute(addProductCommand);
addProductCommand.Product = new Product
{
Count = 30,
Price = 300,
Guid = Guid.NewGuid(),
Name = "Third"
};
commandProcessor.AddCommandToExecute(addProductCommand);
commandProcessor.Run();
commandProcessor.Run();
commandProcessor.Run();
var getSumPriceCommand = new GetSumPriceCommand {
Order = order
};
commandProcessor.AddCommandToExecute(getSumPriceCommand);
Console.Write(order.ToString());
Console.WriteLine(commandProcessor.Run());
Console.WriteLine("-----------------------------------------------------------------------");
commandProcessor.Undo();
commandProcessor.AddCommandToExecute(getSumPriceCommand);
Console.Write(order.ToString());
Console.WriteLine(commandProcessor.Run());
Console.WriteLine("-----------------------------------------------------------------------");
commandProcessor.Undo();
commandProcessor.AddCommandToExecute(getSumPriceCommand);
Console.Write(order.ToString());
Console.WriteLine(commandProcessor.Run());
Console.WriteLine("-----------------------------------------------------------------------");
}
