mirror of https://github.com/ppy/osu
43 lines
1.5 KiB
C#
43 lines
1.5 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 Realms;
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namespace osu.Game.Database
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{
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/// <summary>
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/// Provides a method of working with unmanaged realm objects.
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/// Usually used for testing purposes where the instance is never required to be managed.
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/// </summary>
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/// <typeparam name="T">The underlying object type.</typeparam>
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public class RealmLiveUnmanaged<T> : Live<T> where T : RealmObjectBase, IHasGuidPrimaryKey
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{
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/// <summary>
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/// The original live data used to create this instance.
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/// </summary>
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public override T Value { get; }
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/// <summary>
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/// Construct a new instance of live realm data.
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/// </summary>
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/// <param name="data">The realm data.</param>
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public RealmLiveUnmanaged(T data)
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: base(data.ID)
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{
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if (data.IsManaged)
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throw new InvalidOperationException($"Cannot use {nameof(RealmLiveUnmanaged<T>)} with managed instances");
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Value = data;
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}
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public override void PerformRead(Action<T> perform) => perform(Value);
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public override TReturn PerformRead<TReturn>(Func<T, TReturn> perform) => perform(Value);
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public override void PerformWrite(Action<T> perform) => throw new InvalidOperationException(@"Can't perform writes on a non-managed underlying value");
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public override bool IsManaged => false;
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}
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}
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