mirror of https://github.com/ppy/osu
49 lines
1.6 KiB
C#
49 lines
1.6 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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namespace osu.Game.Database
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{
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/// <summary>
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/// A wrapper to provide access to database backed classes in a thread-safe manner.
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/// </summary>
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/// <typeparam name="T">The databased type.</typeparam>
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public interface ILive<T> : IEquatable<ILive<T>>
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where T : class // TODO: Add IHasGuidPrimaryKey once we don't need EF support any more.
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{
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Guid ID { get; }
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/// <summary>
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/// Perform a read operation on this live object.
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/// </summary>
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/// <param name="perform">The action to perform.</param>
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void PerformRead(Action<T> perform);
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/// <summary>
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/// Perform a read operation on this live object.
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/// </summary>
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/// <param name="perform">The action to perform.</param>
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TReturn PerformRead<TReturn>(Func<T, TReturn> perform);
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/// <summary>
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/// Perform a write operation on this live object.
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/// </summary>
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/// <param name="perform">The action to perform.</param>
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void PerformWrite(Action<T> perform);
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/// <summary>
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/// Whether this instance is tracking data which is managed by the database backing.
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/// </summary>
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bool IsManaged { get; }
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/// <summary>
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/// Resolve the value of this instance on the update thread.
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/// </summary>
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/// <remarks>
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/// After resolving, the data should not be passed between threads.
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/// </remarks>
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T Value { get; }
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}
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}
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