mirror of https://github.com/ppy/osu
56 lines
2.2 KiB
C#
56 lines
2.2 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Collections.Specialized;
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using System.ComponentModel;
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using JetBrains.Annotations;
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using Realms;
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using Realms.Schema;
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namespace osu.Game.Database
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{
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/// <summary>
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/// This can arrive in <see cref="RealmAccess.RegisterForNotifications{T}"/> callbacks to imply that realm access has been reset.
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/// </summary>
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/// <remarks>
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/// Usually implies that the original database may return soon and the callback can usually be silently ignored.
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///</remarks>
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public class RealmResetEmptySet<T> : IRealmCollection<T>
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{
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private IList<T> emptySet => Array.Empty<T>();
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[MustDisposeResource]
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public IEnumerator<T> GetEnumerator() => emptySet.GetEnumerator();
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[MustDisposeResource]
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IEnumerator IEnumerable.GetEnumerator() => emptySet.GetEnumerator();
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public int Count => emptySet.Count;
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public T this[int index] => emptySet[index];
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public int IndexOf(object? item) => item == null ? -1 : emptySet.IndexOf((T)item);
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public bool Contains(object? item) => item != null && emptySet.Contains((T)item);
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public event NotifyCollectionChangedEventHandler? CollectionChanged
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{
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add => throw new NotImplementedException();
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remove => throw new NotImplementedException();
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}
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public event PropertyChangedEventHandler? PropertyChanged
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{
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add => throw new NotImplementedException();
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remove => throw new NotImplementedException();
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}
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public IRealmCollection<T> Freeze() => throw new NotImplementedException();
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public IDisposable SubscribeForNotifications(NotificationCallbackDelegate<T> callback) => throw new NotImplementedException();
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public bool IsValid => throw new NotImplementedException();
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public Realm Realm => throw new NotImplementedException();
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public ObjectSchema ObjectSchema => throw new NotImplementedException();
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public bool IsFrozen => throw new NotImplementedException();
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}
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}
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