Parker's DevEd Blog

Final RollingList<T>

public class RollingList<T> : ICollection<T> {
    #region Private Fields
    private int _capacity;
    private LinkedList<T> _linkedList;
    #endregion

    #region ICollection<T> Members
    public void Add(T item) {
        _linkedList.AddFirst(new LinkedListNode<T>(item));
        if(_linkedList.Count > _capacity)
            _linkedList.RemoveLast();
    }
    public void Clear() {
        _linkedList.Clear();
    }
    public bool Contains(T item) {
        return _linkedList.Contains(item);
    }
    public void CopyTo(T[] array, int arrayIndex) {
        _linkedList.CopyTo(array, arrayIndex);
    }
    public int Count {
        get { return _linkedList.Count; }
    }
    public bool IsReadOnly {
        get { throw new Exception("The method or operation is not implemented."); }
    }
    public bool Remove(T item) {
        return _linkedList.Remove(item);
    }
    #endregion

    #region IEnumerable Members
    IEnumerator IEnumerable.GetEnumerator() {
        return _linkedList.GetEnumerator();
    }
    #endregion
}