47 lines
1.1 KiB
C#
47 lines
1.1 KiB
C#
using System.Collections;
|
|
|
|
namespace MareSynchronos.Utils;
|
|
|
|
public class RollingList<T> : IEnumerable<T>
|
|
{
|
|
private readonly Lock _addLock = new();
|
|
private readonly LinkedList<T> _list = new();
|
|
|
|
public RollingList(int maximumCount)
|
|
{
|
|
if (maximumCount <= 0)
|
|
throw new ArgumentException(message: null, nameof(maximumCount));
|
|
|
|
MaximumCount = maximumCount;
|
|
}
|
|
|
|
public int Count => _list.Count;
|
|
public int MaximumCount { get; }
|
|
|
|
public T this[int index]
|
|
{
|
|
get
|
|
{
|
|
if (index < 0 || index >= Count)
|
|
throw new ArgumentOutOfRangeException(nameof(index));
|
|
|
|
return _list.Skip(index).First();
|
|
}
|
|
}
|
|
|
|
public void Add(T value)
|
|
{
|
|
lock (_addLock)
|
|
{
|
|
if (_list.Count == MaximumCount)
|
|
{
|
|
_list.RemoveFirst();
|
|
}
|
|
_list.AddLast(value);
|
|
}
|
|
}
|
|
|
|
public IEnumerator<T> GetEnumerator() => _list.GetEnumerator();
|
|
|
|
IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
|
|
} |