mirror of https://github.com/ppy/osu
38 lines
1.3 KiB
C#
38 lines
1.3 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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#nullable enable
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namespace osu.Game.Database
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{
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public static class RealmExtensions
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{
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public static void Write(this Realm realm, Action<Realm> function)
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{
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using var transaction = realm.BeginWrite();
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function(realm);
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transaction.Commit();
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}
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public static T Write<T>(this Realm realm, Func<Realm, T> function)
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{
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using var transaction = realm.BeginWrite();
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var result = function(realm);
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transaction.Commit();
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return result;
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}
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/// <summary>
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/// Whether the provided change set has changes to the top level collection.
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/// </summary>
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/// <remarks>
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/// Realm subscriptions fire on both collection and property changes (including *all* nested properties).
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/// Quite often we only care about changes at a collection level. This can be used to guard and early-return when no such changes are in a callback.
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/// </remarks>
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public static bool HasCollectionChanges(this ChangeSet changes) => changes.InsertedIndices.Length > 0 || changes.DeletedIndices.Length > 0 || changes.Moves.Length > 0;
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}
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}
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