private DuckFlock CreateTestFlock()
{
DuckFlock flock = new DuckFlock();
flock.Add(new MallardDuck { Name = "Fred the Mallard" });
flock.Add(new MandarinDuck { Name = "Aaron the Mandarin" });
return flock;
}
// Iterator pattern with aggregate
void iterateMyDucks_Click(object sender, EventArgs e)
{
DuckFlock flock = new DuckFlock();
flock.Add(new MallardDuck());
flock.Add(new MandarinDuck());
flock.Add(new RubberDuck());
LoopThroughDucksUsingIterator(flock);
}
private void LoopThroughDucksUsingIterator(DuckFlock flock)
{
IIterator<IQuackable> duckIterator = new DuckIterator(flock);
IQuackable currentDuck = duckIterator.Current();
while (currentDuck != null)
{
currentDuck.Quack();
currentDuck = duckIterator.Next();
}
}
public NameSorter(DuckFlock flockToSort)
{
this.flockToSort = flockToSort;
}