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Merge pull request #16510 from peppy/optimise-set-detach-part-2

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Avoid file retrieval overhead when detaching `BeatmapSetInfo`
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Dan Balasescu 2022-01-19 13:53:34 +09:00 committed by GitHub
commit 9c8f7795b7
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3 changed files with 43 additions and 15 deletions
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16
osu.Game.Tests/Database/BeatmapImporterTests.cs
View File

@ -57,8 +57,9 @@ namespace osu.Game.Tests.Database
{
detachedBeatmapSet = live.Detach();
Assert.AreEqual(live.Files.Count, detachedBeatmapSet.Files.Count);
Assert.AreEqual(live.Files.Select(f => f.File).Count(), detachedBeatmapSet.Files.Select(f => f.File).Count());
// files are omitted
Assert.AreEqual(0, detachedBeatmapSet.Files.Count);
Assert.AreEqual(live.Beatmaps.Count, detachedBeatmapSet.Beatmaps.Count);
Assert.AreEqual(live.Beatmaps.Select(f => f.Difficulty).Count(), detachedBeatmapSet.Beatmaps.Select(f => f.Difficulty).Count());
Assert.AreEqual(live.Metadata, detachedBeatmapSet.Metadata);
@ -67,11 +68,9 @@ namespace osu.Game.Tests.Database
Debug.Assert(detachedBeatmapSet != null);
// Check detached instances can all be accessed without throwing.
Assert.NotNull(detachedBeatmapSet.Files.Count);
Assert.NotZero(detachedBeatmapSet.Files.Select(f => f.File).Count());
Assert.AreEqual(0, detachedBeatmapSet.Files.Count);
Assert.NotNull(detachedBeatmapSet.Beatmaps.Count);
Assert.NotZero(detachedBeatmapSet.Beatmaps.Select(f => f.Difficulty).Count());
Assert.NotNull(detachedBeatmapSet.Beatmaps.First().Path);
Assert.NotNull(detachedBeatmapSet.Metadata);
// Check cyclic reference to beatmap set
@ -96,9 +95,12 @@ namespace osu.Game.Tests.Database
Assert.NotNull(beatmapSet);
Debug.Assert(beatmapSet != null);
BeatmapSetInfo? detachedBeatmapSet = null;
// Detach at the BeatmapInfo point, similar to what GetWorkingBeatmap does.
BeatmapInfo? detachedBeatmap = null;
beatmapSet.PerformRead(s => detachedBeatmapSet = s.Detach());
beatmapSet.PerformRead(s => detachedBeatmap = s.Beatmaps.First().Detach());
BeatmapSetInfo? detachedBeatmapSet = detachedBeatmap?.BeatmapSet;
Debug.Assert(detachedBeatmapSet != null);

18
osu.Game/Beatmaps/BeatmapManager.cs
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@ -299,7 +299,23 @@ namespace osu.Game.Beatmaps
#region Implementation of IWorkingBeatmapCache
public WorkingBeatmap GetWorkingBeatmap(BeatmapInfo? importedBeatmap) => workingBeatmapCache.GetWorkingBeatmap(importedBeatmap);
public WorkingBeatmap GetWorkingBeatmap(BeatmapInfo? importedBeatmap)
{
// Detached sets don't come with files.
// If we seem to be missing files, now is a good time to re-fetch.
if (importedBeatmap?.BeatmapSet?.Files.Count == 0)
{
using (var realm = contextFactory.CreateContext())
{
var refetch = realm.Find<BeatmapInfo>(importedBeatmap.ID)?.Detach();
if (refetch != null)
importedBeatmap = refetch;
}
}
return workingBeatmapCache.GetWorkingBeatmap(importedBeatmap);
}
public WorkingBeatmap GetWorkingBeatmap(ILive<BeatmapInfo>? importedBeatmap)
{

24
osu.Game/Database/RealmObjectExtensions.cs
View File

@ -76,6 +76,14 @@ namespace osu.Game.Database
{
applyCommonConfiguration(c);
c.CreateMap<BeatmapSetInfo, BeatmapSetInfo>()
.MaxDepth(2)
.AfterMap((s, d) =>
{
foreach (var beatmap in d.Beatmaps)
beatmap.BeatmapSet = d;
});
// This can be further optimised to reduce cyclic retrievals, similar to the optimised set mapper below.
// Only hasn't been done yet as we detach at the point of BeatmapInfo less often.
c.CreateMap<BeatmapInfo, BeatmapInfo>()
@ -100,6 +108,15 @@ namespace osu.Game.Database
{
applyCommonConfiguration(c);
c.CreateMap<BeatmapSetInfo, BeatmapSetInfo>()
.MaxDepth(2)
.ForMember(b => b.Files, cc => cc.Ignore())
.AfterMap((s, d) =>
{
foreach (var beatmap in d.Beatmaps)
beatmap.BeatmapSet = d;
});
c.CreateMap<BeatmapInfo, BeatmapInfo>()
.MaxDepth(1)
// This is not required as it will be populated in the `AfterMap` call from the `BeatmapInfo`'s parent.
@ -132,13 +149,6 @@ namespace osu.Game.Database
c.CreateMap<RealmUser, RealmUser>();
c.CreateMap<RealmFile, RealmFile>();
c.CreateMap<RealmNamedFileUsage, RealmNamedFileUsage>();
c.CreateMap<BeatmapSetInfo, BeatmapSetInfo>()
.MaxDepth(2)
.AfterMap((s, d) =>
{
foreach (var beatmap in d.Beatmaps)
beatmap.BeatmapSet = d;
});
}
/// <summary>