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osu-lazer/osu.Game/Database/EmptyRealmSet.cs
2022-01-23 23:18:50 +09:00

47 lines
1.8 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.ComponentModel;
using Realms;
using Realms.Schema;
#nullable enable
namespace osu.Game.Database
{
public class EmptyRealmSet<T> : IRealmCollection<T>
{
private IList<T> emptySet => Array.Empty<T>();
public IEnumerator<T> GetEnumerator() => emptySet.GetEnumerator();
IEnumerator IEnumerable.GetEnumerator() => emptySet.GetEnumerator();
public int Count => emptySet.Count;
public T this[int index] => emptySet[index];
public int IndexOf(object item) => emptySet.IndexOf((T)item);
public bool Contains(object item) => emptySet.Contains((T)item);
public event NotifyCollectionChangedEventHandler? CollectionChanged
{
add => throw new NotImplementedException();
remove => throw new NotImplementedException();
}
public event PropertyChangedEventHandler? PropertyChanged
{
add => throw new NotImplementedException();
remove => throw new NotImplementedException();
}
public IRealmCollection<T> Freeze() => throw new NotImplementedException();
public IDisposable SubscribeForNotifications(NotificationCallbackDelegate<T> callback) => throw new NotImplementedException();
public bool IsValid => throw new NotImplementedException();
public Realm Realm => throw new NotImplementedException();
public ObjectSchema ObjectSchema => throw new NotImplementedException();
public bool IsFrozen => throw new NotImplementedException();
}
}