public static void Test()
{
var collection = new ConcreteAggregate<string>
{
"Item 0", "Item 1", "Item 2", "Item 3", "Item 4"
};
IEnumerator<string> enumerator = collection.GetEnumerator();
}
private static void ClearImplementationDemo()
{
var aggregate = new ConcreteAggregate();
aggregate[0] = "Item A";
aggregate[1] = "Item B";
aggregate[2] = "Item C";
aggregate[3] = "Item D";
IIterator iterator = new ConcreteIterator(aggregate);
Console.WriteLine("Iterating over collection:");
while (!iterator.IsDone())
{
Console.WriteLine(iterator.CurrentItem());
iterator.Next();
}
}
/// <summary>
/// Entry point into console application.
/// </summary>
static void Demo()
{
ConcreteAggregate a = new ConcreteAggregate();
a[0] = "Item A";
a[1] = "Item B";
a[2] = "Item C";
a[3] = "Item D";
// Create Iterator and provide aggregate
ConcreteIterator i = new ConcreteIterator(a);
Console.WriteLine("Iterating over collection:");
object item = i.First();
while (item != null)
{
Console.WriteLine(item);
item = i.Next();
}
// Wait for user
Console.ReadKey();
}
public static void Main(string[] args)
{
ConcreteAggregate a = new ConcreteAggregate();
a[0] = "Item A";
a[1] = "Item B";
a[2] = "Item C";
a[3] = "Item D";
// Create Iterator and provide aggregate
ConcreteIterator i = new ConcreteIterator(a);
// Iterate over collection
object item = i.First();
while( item != null )
{
Console.WriteLine( item );
item = i.Next();
}
}
static void Main()
{
ConcreteAggregate aggregate = new ConcreteAggregate();
aggregate[0] = "Item A";
aggregate[1] = "Item B";
aggregate[2] = "Item C";
aggregate[3] = "Item D";
aggregate[4] = "Bob";
// Create Iterator and provide aggregate
ConcreteIterator it = new ConcreteIterator(aggregate);
Console.WriteLine("Iterating over collection:");
object item = it.First();
while (item != null)
{
Console.WriteLine(item);
item = it.Next();
}
// Wait for user
Console.ReadKey();
}
public ConcreteIterator(ConcreteAggregate collection)
{
this.Collection = collection;
position = 0;
}
public ConcreteIterator(ConcreteAggregate aggregate)
{
Aggregate = aggregate;
}
// Constructor
public ConcreteIterator(ConcreteAggregate <T> aggregate)
{
this._aggregate = aggregate;
}
public ConcreteIteratorDesc(ConcreteAggregate aggregate)
{
this.aggregate = aggregate;
this.current = aggregate.Count - 1;
}
public ConcreteIteratorDesc(ConcreteAggregate aggregate)
{
_aggregate = aggregate;
_current = _aggregate.TotalCount - 1;
}
/// <summary>
/// 初始化时将具体的聚集对象传入
/// </summary>
/// <param name="aggregate"></param>
public ConcreteIteratorDesc(ConcreteAggregate aggregate)
{
this.aggregate = aggregate;
current = aggregate.Count - 1;
}
public ConcreteIterator(ConcreteAggregate agg)
{
_concreteAggregate = agg;
_index = 0;
}
private int cursor; //定义一个游标，用于记录当前访问位置
public ConcreteIterator(ConcreteAggregate objects)
{
this.objects = objects;
}
public ConcreteIterator(ConcreteAggregate concreteAggregate)
{
this._concreteAggregate = concreteAggregate;
}
public ConcreteIterator(ConcreteAggregate aggregate)
{
this.aggregate = aggregate;
}
public CategoryIterator(ConcreteAggregate categoryAggregate)
{
_aggregate = categoryAggregate;
}
public ConcreteIterator(ConcreteAggregate <T> aggregate)
{
_aggregate = aggregate;
_current = 0;
}