public override bool Process(Game gameIn, mapManager mapIn, EventManager eventManagerIn, gameElement focusElementIn, GameTime gameTimeIn)
{
if (PriorityCondition.MarkedTreesExist())
{
Event newEvent = new EventHarvestTrees(gameIn, mapIn, eventManagerIn, focusElementIn, gameTimeIn, false);
newEvent.SetAssociated((ActorElement)focusElementIn);
eventManagerIn.AddEvent(newEvent);
return(true);
}
else
{
return(false);
}
}
static void Main(string[] args)
{
#region Single-Responsibility-Principle
/// TodoList class is only responsible for managing to do items.
/// TodoListFileStorage class has been created. Saving to do items to file is done
/// on TodoListFileStorage class.
/// TodoList should be only responsible for managing todo items.
var todoList = new TodoList();
var todoListSaver = new TodoListFileStorage("save");
todoList.Add(new Todo(Category.Hobby, Priority.Low, "learn C#"));
todoList.Add(new Todo(Category.Work, Priority.Low, "learn Azure Functions"));
todoList.Add(new Todo(Category.Hobby, Priority.Major, "learn .NET Core"));
todoList.Add(new Todo(Category.Hobby, Priority.Low, "learn IoT"));
Console.WriteLine(todoList.ToString());
todoListSaver.Save(todoList, false).GetAwaiter().GetResult();
todoList.Add(new Todo(Category.Home, Priority.Major, "tidy bedroom"));
todoList.Add(new Todo(Category.Home, Priority.Major, "tidy kichen"));
Console.WriteLine(todoList.ToString());
// not todoList.SaveToFile(...);
todoListSaver.Save(todoList, true).GetAwaiter().GetResult();
#endregion
#region Open-Closed-Principle
/// 'Open closed principle states that classes should be open for extension'
/// The class should be open for extensions, but shouldn't be modified itself.
/// In this example I've created ICondition<> and IFilter<>
/// ICondition<> enable us to check is object met our conditions (IsSatisfied method)
/// IFilter<> enable filtering based on conditions (Filter method)
//Create conditions which we want to be met.
var categoryCondition = new CategoryCondition(category: Category.Home);
var priorityCondition = new PriorityCondition(priority: Priority.Major);
//Create filters to use created conditions.
var categoryFilter =
new TodoItemsFilter(todoList.Todos, new List <ICondition <Todo> > {
categoryCondition
});
var priorityFilter =
new TodoItemsFilter(todoList.Todos, new List <ICondition <Todo> > {
priorityCondition
});
var categoryAndPriorityFilter =
new TodoItemsFilter(todoList.Todos, new List <ICondition <Todo> > {
priorityCondition, categoryCondition
});
//Check results.
var homeCategoryItems = categoryFilter.Filter().ToList();
var majorPriorityItems = priorityFilter.Filter().ToList();
var homeAndMajorItems = categoryAndPriorityFilter.Filter().ToList();
#endregion
#region Liskov-Substitution-Principle
var rectangle1 = new Rectangle(3, 4);
var area1 = rectangle1.Area();
Console.WriteLine($"{rectangle1.ToString()} + Area: {area1}");
var rectangle2 = new Square(4);
var area2 = rectangle2.Area();
Console.WriteLine($"{rectangle2.ToString()} + Area: {area2}");
#endregion
}
