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Make thread safe.

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This commit is contained in:
Michael Bucari-Tovo 2021-07-27 10:21:17 -06:00
parent f5e1667368
commit a77405c632
1 changed files with 15 additions and 8 deletions
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23
FileManager/BackgroundFileSystem.cs
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@ -20,9 +20,13 @@ namespace FileManager
private Task backgroundScanner { get; set; } private Task backgroundScanner { get; set; }
private List<string> fsCache { get; set; } private List<string> fsCache { get; set; }
public string FindFile(string regexPattern, RegexOptions options) => public string FindFile(string regexPattern, RegexOptions options)
fsCache.FirstOrDefault(s => Regex.IsMatch(s, regexPattern, options)); {
lock (fsCache)
{
return fsCache.FirstOrDefault(s => Regex.IsMatch(s, regexPattern, options));
}
}
public void Init(string rootDirectory, string searchPattern, SearchOption searchOptions) public void Init(string rootDirectory, string searchPattern, SearchOption searchOptions)
{ {
@ -63,6 +67,13 @@ namespace FileManager
directoryChangesEvents.Add(e); directoryChangesEvents.Add(e);
} }
#region Background Thread
private void BackgroundScanner()
{
while (directoryChangesEvents.TryTake(out FileSystemEventArgs change, -1))
UpdateLocalCache(change);
}
private void UpdateLocalCache(FileSystemEventArgs change) private void UpdateLocalCache(FileSystemEventArgs change)
{ {
if (change.ChangeType == WatcherChangeTypes.Deleted) if (change.ChangeType == WatcherChangeTypes.Deleted)
@ -98,10 +109,6 @@ namespace FileManager
fsCache.Add(path); fsCache.Add(path);
} }
private void BackgroundScanner() #endregion
{
while (directoryChangesEvents.TryTake(out FileSystemEventArgs change, -1))
UpdateLocalCache(change);
}
} }
} }