static void Main(string[] args)
{
WebAppInventory.InventoryService service = new WebAppInventory.InventoryService();
InventoryServiceMonitor monitor = new InventoryServiceMonitor();
monitor.Subscribe(service);
service.AddItem("orange", DateTime.Now.AddSeconds(30), WebAppInventory.InventoryItemType.Solid);
service.AddItem("apple", DateTime.Now, WebAppInventory.InventoryItemType.Solid); // expect getting item expired notification
System.Threading.Thread.Sleep(2000);
service.RemoveItem("apple"); // expect getting item removed notification
System.Threading.Thread.Sleep(65000); // after sleep expect getting item expired notification for orange
monitor.Unsubscribe();
service.RemoveItem("orange"); // expect not getting item removed notification, because the monitor already unsubscribed
System.Threading.Thread.Sleep(65000);
}
public virtual void Subscribe(WebAppInventory.InventoryService provider)
{
cancellation = provider.Subscribe(this);
}
