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23 lines
815 B
C#
23 lines
815 B
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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#nullable enable
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namespace osu.Game.Database
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{
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public interface IHasOnlineID<out T>
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where T : IEquatable<T>
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{
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/// <summary>
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/// The server-side ID representing this instance, if one exists. Any value 0 or less denotes a missing ID (except in special cases where autoincrement is not used, like rulesets).
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/// </summary>
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/// <remarks>
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/// Generally we use -1 when specifying "missing" in code, but values of 0 are also considered missing as the online source
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/// is generally a MySQL autoincrement value, which can never be 0.
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/// </remarks>
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T OnlineID { get; }
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}
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}
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