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Code Issues Releases Wiki Activity

Merge pull request #23844 from peppy/memory-caching-nrt

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Apply NRT to `MemoryCachingComponent` classes
This commit is contained in:
Dean Herbert 2023-06-09 23:28:21 +09:00 committed by GitHub
commit 659a042065
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GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 47 additions and 68 deletions
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12
osu.Game.Tests/Visual/Online/TestSceneCurrentlyPlayingDisplay.cs
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@ -1,8 +1,6 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
#nullable disable
using System;
using System.Linq;
using System.Threading;
@ -24,8 +22,8 @@ namespace osu.Game.Tests.Visual.Online
{
private readonly APIUser streamingUser = new APIUser { Id = 2, Username = "Test user" };
private TestSpectatorClient spectatorClient;
private CurrentlyPlayingDisplay currentlyPlaying;
private TestSpectatorClient spectatorClient = null!;
private CurrentlyPlayingDisplay currentlyPlaying = null!;
[SetUpSteps]
public void SetUpSteps()
@ -88,13 +86,13 @@ namespace osu.Game.Tests.Visual.Online
"pishifat"
};
protected override Task<APIUser> ComputeValueAsync(int lookup, CancellationToken token = default)
protected override Task<APIUser?> ComputeValueAsync(int lookup, CancellationToken token = default)
{
// tests against failed lookups
if (lookup == 13)
return Task.FromResult<APIUser>(null);
return Task.FromResult<APIUser?>(null);
return Task.FromResult(new APIUser
return Task.FromResult<APIUser?>(new APIUser
{
Id = lookup,
Username = usernames[lookup % usernames.Length],

14
osu.Game.Tests/Visual/SongSelect/TestSceneBeatmapMetadataDisplay.cs
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@ -1,10 +1,9 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
#nullable disable
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
@ -24,10 +23,10 @@ namespace osu.Game.Tests.Visual.SongSelect
{
public partial class TestSceneBeatmapMetadataDisplay : OsuTestScene
{
private BeatmapMetadataDisplay display;
private BeatmapMetadataDisplay display = null!;
[Resolved]
private BeatmapManager manager { get; set; }
private BeatmapManager manager { get; set; } = null!;
[Cached(typeof(BeatmapDifficultyCache))]
private readonly TestBeatmapDifficultyCache testDifficultyCache = new TestBeatmapDifficultyCache();
@ -121,7 +120,7 @@ namespace osu.Game.Tests.Visual.SongSelect
private partial class TestBeatmapDifficultyCache : BeatmapDifficultyCache
{
private TaskCompletionSource<bool> calculationBlocker;
private TaskCompletionSource<bool>? calculationBlocker;
private bool blockCalculation;
@ -142,10 +141,13 @@ namespace osu.Game.Tests.Visual.SongSelect
}
}
public override async Task<StarDifficulty?> GetDifficultyAsync(IBeatmapInfo beatmapInfo, IRulesetInfo rulesetInfo = null, IEnumerable<Mod> mods = null, CancellationToken cancellationToken = default)
public override async Task<StarDifficulty?> GetDifficultyAsync(IBeatmapInfo beatmapInfo, IRulesetInfo? rulesetInfo = null, IEnumerable<Mod>? mods = null, CancellationToken cancellationToken = default)
{
if (blockCalculation)
{
Debug.Assert(calculationBlocker != null);
await calculationBlocker.Task.ConfigureAwait(false);
}
return await base.GetDifficultyAsync(beatmapInfo, rulesetInfo, mods, cancellationToken).ConfigureAwait(false);
}

10
osu.Game/Database/BeatmapLookupCache.cs
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@ -1,13 +1,10 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
#nullable disable
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using JetBrains.Annotations;
using osu.Game.Online.API.Requests;
using osu.Game.Online.API.Requests.Responses;
@ -21,8 +18,7 @@ namespace osu.Game.Database
/// <param name="beatmapId">The beatmap to lookup.</param>
/// <param name="token">An optional cancellation token.</param>
/// <returns>The populated beatmap, or null if the beatmap does not exist or the request could not be satisfied.</returns>
[ItemCanBeNull]
public Task<APIBeatmap> GetBeatmapAsync(int beatmapId, CancellationToken token = default) => LookupAsync(beatmapId, token);
public Task<APIBeatmap?> GetBeatmapAsync(int beatmapId, CancellationToken token = default) => LookupAsync(beatmapId, token);
/// <summary>
/// Perform an API lookup on the specified beatmaps, populating a <see cref="APIBeatmap"/> model.
@ -30,10 +26,10 @@ namespace osu.Game.Database
/// <param name="beatmapIds">The beatmaps to lookup.</param>
/// <param name="token">An optional cancellation token.</param>
/// <returns>The populated beatmaps. May include null results for failed retrievals.</returns>
public Task<APIBeatmap[]> GetBeatmapsAsync(int[] beatmapIds, CancellationToken token = default) => LookupAsync(beatmapIds, token);
public Task<APIBeatmap?[]> GetBeatmapsAsync(int[] beatmapIds, CancellationToken token = default) => LookupAsync(beatmapIds, token);
protected override GetBeatmapsRequest CreateRequest(IEnumerable<int> ids) => new GetBeatmapsRequest(ids.ToArray());
protected override IEnumerable<APIBeatmap> RetrieveResults(GetBeatmapsRequest request) => request.Response?.Beatmaps;
protected override IEnumerable<APIBeatmap>? RetrieveResults(GetBeatmapsRequest request) => request.Response?.Beatmaps;
}
}

17
osu.Game/Database/MemoryCachingComponent.cs
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@ -1,13 +1,11 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
#nullable disable
using System;
using System.Collections.Concurrent;
using System.Diagnostics.CodeAnalysis;
using System.Threading;
using System.Threading.Tasks;
using JetBrains.Annotations;
using osu.Framework.Extensions.TypeExtensions;
using osu.Framework.Graphics;
using osu.Framework.Statistics;
@ -19,8 +17,9 @@ namespace osu.Game.Database
/// Currently not persisted between game sessions.
/// </summary>
public abstract partial class MemoryCachingComponent<TLookup, TValue> : Component
where TLookup : notnull
{
private readonly ConcurrentDictionary<TLookup, TValue> cache = new ConcurrentDictionary<TLookup, TValue>();
private readonly ConcurrentDictionary<TLookup, TValue?> cache = new ConcurrentDictionary<TLookup, TValue?>();
private readonly GlobalStatistic<MemoryCachingStatistics> statistics;
@ -37,12 +36,12 @@ namespace osu.Game.Database
/// </summary>
/// <param name="lookup">The lookup to retrieve.</param>
/// <param name="token">An optional <see cref="CancellationToken"/> to cancel the operation.</param>
protected async Task<TValue> GetAsync([NotNull] TLookup lookup, CancellationToken token = default)
protected async Task<TValue?> GetAsync(TLookup lookup, CancellationToken token = default)
{
if (CheckExists(lookup, out TValue performance))
if (CheckExists(lookup, out TValue? existing))
{
statistics.Value.HitCount++;
return performance;
return existing;
}
var computed = await ComputeValueAsync(lookup, token).ConfigureAwait(false);
@ -73,7 +72,7 @@ namespace osu.Game.Database
statistics.Value.Usage = cache.Count;
}
protected bool CheckExists([NotNull] TLookup lookup, out TValue value) =>
protected bool CheckExists(TLookup lookup, [MaybeNullWhen(false)] out TValue value) =>
cache.TryGetValue(lookup, out value);
/// <summary>
@ -82,7 +81,7 @@ namespace osu.Game.Database
/// <param name="lookup">The lookup to retrieve.</param>
/// <param name="token">An optional <see cref="CancellationToken"/> to cancel the operation.</param>
/// <returns>The computed value.</returns>
protected abstract Task<TValue> ComputeValueAsync(TLookup lookup, CancellationToken token = default);
protected abstract Task<TValue?> ComputeValueAsync(TLookup lookup, CancellationToken token = default);
private class MemoryCachingStatistics
{

31
osu.Game/Database/OnlineLookupCache.cs
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@ -1,14 +1,11 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
#nullable disable
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using JetBrains.Annotations;
using osu.Framework.Allocation;
using osu.Framework.Extensions;
using osu.Game.Online.API;
@ -21,7 +18,7 @@ namespace osu.Game.Database
where TRequest : APIRequest
{
[Resolved]
private IAPIProvider api { get; set; }
private IAPIProvider api { get; set; } = null!;
/// <summary>
/// Creates an <see cref="APIRequest"/> to retrieve the values for a given collection of <typeparamref name="TLookup"/>s.
@ -32,8 +29,7 @@ namespace osu.Game.Database
/// <summary>
/// Retrieves a list of <typeparamref name="TValue"/>s from a successful <typeparamref name="TRequest"/> created by <see cref="CreateRequest"/>.
/// </summary>
[CanBeNull]
protected abstract IEnumerable<TValue> RetrieveResults(TRequest request);
protected abstract IEnumerable<TValue>? RetrieveResults(TRequest request);
/// <summary>
/// Perform a lookup using the specified <paramref name="id"/>, populating a <typeparamref name="TValue"/>.
@ -41,8 +37,7 @@ namespace osu.Game.Database
/// <param name="id">The ID to lookup.</param>
/// <param name="token">An optional cancellation token.</param>
/// <returns>The populated <typeparamref name="TValue"/>, or null if the value does not exist or the request could not be satisfied.</returns>
[ItemCanBeNull]
protected Task<TValue> LookupAsync(TLookup id, CancellationToken token = default) => GetAsync(id, token);
protected Task<TValue?> LookupAsync(TLookup id, CancellationToken token = default) => GetAsync(id, token);
/// <summary>
/// Perform an API lookup on the specified <paramref name="ids"/>, populating a <typeparamref name="TValue"/>.
@ -50,9 +45,9 @@ namespace osu.Game.Database
/// <param name="ids">The IDs to lookup.</param>
/// <param name="token">An optional cancellation token.</param>
/// <returns>The populated values. May include null results for failed retrievals.</returns>
protected Task<TValue[]> LookupAsync(TLookup[] ids, CancellationToken token = default)
protected Task<TValue?[]> LookupAsync(TLookup[] ids, CancellationToken token = default)
{
var lookupTasks = new List<Task<TValue>>();
var lookupTasks = new List<Task<TValue?>>();
foreach (var id in ids)
{
@ -69,18 +64,18 @@ namespace osu.Game.Database
}
// cannot be sealed due to test usages (see TestUserLookupCache).
protected override async Task<TValue> ComputeValueAsync(TLookup lookup, CancellationToken token = default)
protected override async Task<TValue?> ComputeValueAsync(TLookup lookup, CancellationToken token = default)
=> await queryValue(lookup).ConfigureAwait(false);
private readonly Queue<(TLookup id, TaskCompletionSource<TValue>)> pendingTasks = new Queue<(TLookup, TaskCompletionSource<TValue>)>();
private Task pendingRequestTask;
private readonly Queue<(TLookup id, TaskCompletionSource<TValue?>)> pendingTasks = new Queue<(TLookup, TaskCompletionSource<TValue?>)>();
private Task? pendingRequestTask;
private readonly object taskAssignmentLock = new object();
private Task<TValue> queryValue(TLookup id)
private Task<TValue?> queryValue(TLookup id)
{
lock (taskAssignmentLock)
{
var tcs = new TaskCompletionSource<TValue>();
var tcs = new TaskCompletionSource<TValue?>();
// Add to the queue.
pendingTasks.Enqueue((id, tcs));
@ -96,14 +91,14 @@ namespace osu.Game.Database
private async Task performLookup()
{
// contains at most 50 unique IDs from tasks, which is used to perform the lookup.
var nextTaskBatch = new Dictionary<TLookup, List<TaskCompletionSource<TValue>>>();
var nextTaskBatch = new Dictionary<TLookup, List<TaskCompletionSource<TValue?>>>();
// Grab at most 50 unique IDs from the queue.
lock (taskAssignmentLock)
{
while (pendingTasks.Count > 0 && nextTaskBatch.Count < 50)
{
(TLookup id, TaskCompletionSource<TValue> task) next = pendingTasks.Dequeue();
(TLookup id, TaskCompletionSource<TValue?> task) next = pendingTasks.Dequeue();
// Perform a secondary check for existence, in case the value was queried in a previous batch.
if (CheckExists(next.id, out var existing))
@ -113,7 +108,7 @@ namespace osu.Game.Database
if (nextTaskBatch.TryGetValue(next.id, out var tasks))
tasks.Add(next.task);
else
nextTaskBatch[next.id] = new List<TaskCompletionSource<TValue>> { next.task };
nextTaskBatch[next.id] = new List<TaskCompletionSource<TValue?>> { next.task };
}
}
}

10
osu.Game/Database/UserLookupCache.cs
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@ -1,13 +1,10 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
#nullable disable
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using JetBrains.Annotations;
using osu.Game.Online.API.Requests;
using osu.Game.Online.API.Requests.Responses;
@ -21,8 +18,7 @@ namespace osu.Game.Database
/// <param name="userId">The user to lookup.</param>
/// <param name="token">An optional cancellation token.</param>
/// <returns>The populated user, or null if the user does not exist or the request could not be satisfied.</returns>
[ItemCanBeNull]
public Task<APIUser> GetUserAsync(int userId, CancellationToken token = default) => LookupAsync(userId, token);
public Task<APIUser?> GetUserAsync(int userId, CancellationToken token = default) => LookupAsync(userId, token);
/// <summary>
/// Perform an API lookup on the specified users, populating a <see cref="APIUser"/> model.
@ -30,10 +26,10 @@ namespace osu.Game.Database
/// <param name="userIds">The users to lookup.</param>
/// <param name="token">An optional cancellation token.</param>
/// <returns>The populated users. May include null results for failed retrievals.</returns>
public Task<APIUser[]> GetUsersAsync(int[] userIds, CancellationToken token = default) => LookupAsync(userIds, token);
public Task<APIUser?[]> GetUsersAsync(int[] userIds, CancellationToken token = default) => LookupAsync(userIds, token);
protected override GetUsersRequest CreateRequest(IEnumerable<int> ids) => new GetUsersRequest(ids.ToArray());
protected override IEnumerable<APIUser> RetrieveResults(GetUsersRequest request) => request.Response?.Users;
protected override IEnumerable<APIUser>? RetrieveResults(GetUsersRequest request) => request.Response?.Users;
}
}

2
osu.Game/Online/API/Requests/GetUsersRequest.cs
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@ -1,8 +1,6 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
#nullable disable
using System;
namespace osu.Game.Online.API.Requests

2
osu.Game/Online/Rooms/OnlinePlayBeatmapAvailabilityTracker.cs
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@ -67,7 +67,7 @@ namespace osu.Game.Online.Rooms
{
var beatmap = task.GetResultSafely();
if (SelectedItem.Value?.Beatmap.OnlineID == beatmap.OnlineID)
if (beatmap != null && SelectedItem.Value?.Beatmap.OnlineID == beatmap.OnlineID)
{
selectedBeatmap = beatmap;
beginTracking();

9
osu.Game/Scoring/ScorePerformanceCache.cs
View File

@ -1,12 +1,9 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
#nullable disable
using System;
using System.Threading;
using System.Threading.Tasks;
using JetBrains.Annotations;
using osu.Framework.Allocation;
using osu.Game.Beatmaps;
using osu.Game.Database;
@ -21,7 +18,7 @@ namespace osu.Game.Scoring
public partial class ScorePerformanceCache : MemoryCachingComponent<ScorePerformanceCache.PerformanceCacheLookup, PerformanceAttributes>
{
[Resolved]
private BeatmapDifficultyCache difficultyCache { get; set; }
private BeatmapDifficultyCache difficultyCache { get; set; } = null!;
protected override bool CacheNullValues => false;
@ -30,10 +27,10 @@ namespace osu.Game.Scoring
/// </summary>
/// <param name="score">The score to do the calculation on. </param>
/// <param name="token">An optional <see cref="CancellationToken"/> to cancel the operation.</param>
public Task<PerformanceAttributes> CalculatePerformanceAsync([NotNull] ScoreInfo score, CancellationToken token = default) =>
public Task<PerformanceAttributes?> CalculatePerformanceAsync(ScoreInfo score, CancellationToken token = default) =>
GetAsync(new PerformanceCacheLookup(score), token);
protected override async Task<PerformanceAttributes> ComputeValueAsync(PerformanceCacheLookup lookup, CancellationToken token = default)
protected override async Task<PerformanceAttributes?> ComputeValueAsync(PerformanceCacheLookup lookup, CancellationToken token = default)
{
var score = lookup.ScoreInfo;

8
osu.Game/Tests/Visual/TestUserLookupCache.cs
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@ -1,8 +1,6 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
#nullable disable
using System.Threading;
using System.Threading.Tasks;
using osu.Game.Database;
@ -18,12 +16,12 @@ namespace osu.Game.Tests.Visual
/// </summary>
public const int UNRESOLVED_USER_ID = -1;
protected override Task<APIUser> ComputeValueAsync(int lookup, CancellationToken token = default)
protected override Task<APIUser?> ComputeValueAsync(int lookup, CancellationToken token = default)
{
if (lookup == UNRESOLVED_USER_ID)
return Task.FromResult((APIUser)null);
return Task.FromResult<APIUser?>(null);
return Task.FromResult(new APIUser
return Task.FromResult<APIUser?>(new APIUser
{
Id = lookup,
Username = $"User {lookup}"