public void Set(byte[] value, string id, string version = null)
{
string path = _cachePath + "/" + id;
if (!Has(id) || !_fileSystem.FileExists(path) || !MatchesVersion(id, version))
{
SaveFile(path, value);
}
_cacheEntries[id] = new FileCacheEntry(id, version, path, DateTime.Now.ToString(DATE_FORMAT));
}
private void DeleteFile(FileCacheEntry ce)
{
if (ce.Data == null)
{
return;
}
string path = ce.Data;
if (_fileSystem.FileExists(path))
{
_fileSystem.DeleteFile(path);
}
}
private void StartWatcher(FileCache cache, string path, string filter)
{
FileCacheEntry entry = this;
// Initialize a new filesystem watcher
_watcher.Created += (sender, e) => OnCreated(sender, e, cache, entry);
_watcher.Changed += (sender, e) => OnChanged(sender, e, cache, entry);
_watcher.Deleted += (sender, e) => OnDeleted(sender, e, cache, entry);
_watcher.Renamed += (sender, e) => OnRenamed(sender, e, cache, entry);
_watcher.Path = path;
_watcher.IncludeSubdirectories = true;
_watcher.Filter = filter;
_watcher.NotifyFilter = NotifyFilters.FileName | NotifyFilters.LastWrite;
_watcher.EnableRaisingEvents = true;
}
private static void OnRenamed(object sender, RenamedEventArgs e, FileCache cache, FileCacheEntry entry)
{
var oldKey = e.OldFullPath.Replace(entry._path, entry._prefix);
var oldFile = e.OldFullPath;
var newKey = e.FullPath.Replace(entry._path, entry._prefix);
var newFile = e.FullPath;
// Skip missing files
if (!File.Exists(newFile))
{
return;
}
// Skip directory updates
if (IsDirectory(newFile))
{
return;
}
cache.RemoveFileInternal(entry._path, oldKey);
cache.InsertFileInternal(entry._path, newFile, newKey, entry._timespan, entry._handler);
}
private static void OnDeleted(object sender, FileSystemEventArgs e, FileCache cache, FileCacheEntry entry)
{
var key = e.FullPath.Replace(entry._path, entry._prefix);
var file = e.FullPath;
cache.RemoveFileInternal(entry._path, key);
}
private static void OnChanged(object sender, FileSystemEventArgs e, FileCache cache, FileCacheEntry entry)
{
if (e.ChangeType != WatcherChangeTypes.Changed)
{
return;
}
var key = e.FullPath.Replace(entry._path, entry._prefix);
var file = e.FullPath;
// Skip missing files
if (!File.Exists(file))
{
return;
}
// Skip directory updates
if (IsDirectory(file))
{
return;
}
cache.InsertFileInternal(entry._path, file, key, entry._timespan, entry._handler);
}
private DateTime GetEntryLastUseDate(FileCacheEntry entry)
{
return(DateTime.ParseExact(entry.LastUseDate, DATE_FORMAT, null));
}