root / trunk / Pithos.Core / InMemStatusChecker.cs @ b5061ac8
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using System; |
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using System.Collections.Concurrent; |
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using System.Collections.Generic; |
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using System.ComponentModel.Composition; |
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using System.Diagnostics.Contracts; |
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using System.Linq; |
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using Pithos.Interfaces; |
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|
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namespace Pithos.Core |
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{ |
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//[Export(typeof(IStatusChecker)),Export(typeof(IStatusKeeper))] |
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public class InMemStatusChecker:IStatusChecker,IStatusKeeper |
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{ |
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[Import] |
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public IPithosSettings Settings { get; set; } |
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|
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private readonly string[] _states = {"Normal", "Modified", "Conflict","Synch"}; |
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|
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ConcurrentDictionary<string, FileOverlayStatus> _overlayCache = new ConcurrentDictionary<string, FileOverlayStatus>(); |
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ConcurrentDictionary<string, FileStatus> _statusCache = new ConcurrentDictionary<string, FileStatus>(); |
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ConcurrentDictionary<string, string> _checksums = new ConcurrentDictionary<string, string>(); |
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|
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public FileOverlayStatus GetFileOverlayStatus(string path) |
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{ |
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if (!_overlayCache.ContainsKey(path)) |
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return FileOverlayStatus.Unversioned; |
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|
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var pithosPath = Settings.PithosPath; |
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if (path.StartsWith(pithosPath,true,null)) |
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{ |
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var status = _overlayCache[path]; |
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return status; |
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} |
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return FileOverlayStatus.Unversioned; |
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} |
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|
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public IEnumerable<string> StoreUnversionedFiles(ParallelQuery<string> paths) |
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{ |
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|
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var newFiles = (from file in paths |
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where !_overlayCache.ContainsKey(file) |
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select new { |
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FilePath = file, |
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OverlayStatus = FileOverlayStatus.Unversioned, |
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FileStatus = FileStatus.Created, |
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Checksum = Signature.CalculateHash(file) |
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}); |
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ConcurrentBag<string> files = new ConcurrentBag<string>(); |
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newFiles.ForAll(state => |
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{ |
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_overlayCache[state.FilePath] = state.OverlayStatus; |
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_statusCache[state.FilePath] = state.FileStatus; |
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_checksums[state.FilePath] = state.Checksum; |
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files.Add(state.FilePath); |
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}); |
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return files.GetConsumingEnumerable(); |
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} |
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|
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|
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private PithosStatus _pithosStatus = PithosStatus.InSynch; |
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public void SetPithosStatus(PithosStatus status) |
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{ |
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_pithosStatus = status; |
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} |
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|
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public PithosStatus GetPithosStatus() |
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{ |
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return _pithosStatus; |
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} |
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|
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public void SetFileOverlayStatus(string path, FileOverlayStatus overlayStatus) |
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{ |
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_overlayCache[path] = overlayStatus; |
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} |
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|
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public void RemoveFileOverlayStatus(string path) |
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{ |
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FileOverlayStatus value; |
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_overlayCache.TryRemove(path, out value); |
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} |
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|
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public void RenameFileOverlayStatus(string oldPath, string newPath) |
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{ |
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var status=_overlayCache[oldPath]; |
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_overlayCache[newPath] = status; |
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FileOverlayStatus value; |
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_overlayCache.TryRemove(oldPath,out value); |
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} |
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|
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public void SetFileStatus(string path, FileStatus status) |
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{ |
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_statusCache[path] = status; |
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} |
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|
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public FileStatus GetFileStatus(string path) |
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{ |
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if (!_statusCache.ContainsKey(path)) |
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return FileStatus.Missing; |
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return _statusCache[path]; |
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} |
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|
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public void ClearFileStatus(string path) |
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{ |
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FileStatus value; |
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_statusCache.TryRemove(path,out value); |
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} |
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|
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public void UpdateFileChecksum(string path, string checksum) |
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{ |
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_checksums[path] = checksum; |
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} |
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} |
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} |