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Code Issues Releases Wiki Activity

Add locking to all BeatmapManager operations

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This commit is contained in:
Dean Herbert 2017-07-28 12:46:54 +09:00
parent 7d4218ea6c
commit d51ce896f9
1 changed files with 38 additions and 22 deletions
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16
osu.Game/Beatmaps/BeatmapManager.cs
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@ -107,11 +107,15 @@ namespace osu.Game.Beatmaps
/// </summary>
/// <param name="archiveReader">The beatmap to be imported.</param>
public BeatmapSetInfo Import(ArchiveReader archiveReader)
{
// let's only allow one concurrent import at a time for now.
lock (this)
{
BeatmapSetInfo set = importToStorage(archiveReader);
Import(set);
return set;
}
}
/// <summary>
/// Import a beatmap from a <see cref="BeatmapSetInfo"/>.
@ -131,12 +135,15 @@ namespace osu.Game.Beatmaps
/// </summary>
/// <param name="beatmapSet">The beatmap to delete.</param>
public void Delete(BeatmapSetInfo beatmapSet)
{
lock (this)
{
if (!beatmaps.Delete(beatmapSet)) return;
if (!beatmapSet.Protected)
files.Dereference(beatmapSet.Files);
}
}
/// <summary>
/// Returns a <see cref="BeatmapSetInfo"/> to a usable state if it has previously been deleted but not yet purged.
@ -144,11 +151,14 @@ namespace osu.Game.Beatmaps
/// </summary>
/// <param name="beatmapSet">The beatmap to restore.</param>
public void Undelete(BeatmapSetInfo beatmapSet)
{
lock (this)
{
if (!beatmaps.Undelete(beatmapSet)) return;
files.Reference(beatmapSet.Files);
}
}
/// <summary>
/// Retrieve a <see cref="WorkingBeatmap"/> instance for the provided <see cref="BeatmapInfo"/>
@ -157,6 +167,8 @@ namespace osu.Game.Beatmaps
/// <param name="previous">The currently loaded <see cref="WorkingBeatmap"/>. Allows for optimisation where elements are shared with the new beatmap.</param>
/// <returns>A <see cref="WorkingBeatmap"/> instance correlating to the provided <see cref="BeatmapInfo"/>.</returns>
public WorkingBeatmap GetWorkingBeatmap(BeatmapInfo beatmapInfo, WorkingBeatmap previous = null)
{
lock (this)
{
if (beatmapInfo == null || beatmapInfo == DefaultBeatmap?.BeatmapInfo)
return DefaultBeatmap;
@ -175,6 +187,7 @@ namespace osu.Game.Beatmaps
return working;
}
}
/// <summary>
/// Reset the manager to an empty state.
@ -324,12 +337,15 @@ namespace osu.Game.Beatmaps
/// <param name="populate">Whether returned objects should be pre-populated with all data.</param>
/// <returns>A list of available <see cref="BeatmapSetInfo"/>.</returns>
public List<BeatmapSetInfo> GetAllUsableBeatmapSets(bool populate = true)
{
lock (this)
{
if (populate)
return beatmaps.QueryAndPopulate<BeatmapSetInfo>(b => !b.DeletePending).ToList();
else
return beatmaps.Query<BeatmapSetInfo>(b => !b.DeletePending).ToList();
}
}
protected class BeatmapManagerWorkingBeatmap : WorkingBeatmap
{