code.grnet.gr Git - pithos-ms-client/blob - trunk/Pithos.Core/IStatusKeeper.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Diagnostics.Contracts;
   4 using System.IO;
   5 using System.Linq;
   6 using System.Threading;
   7 using Pithos.Interfaces;
   8
   9 namespace Pithos.Core
  10 {
  11     [ContractClass(typeof(IStatusKeeperContract))]
  12     public interface IStatusKeeper
  13     {
  14         void SetFileOverlayStatus(string path,FileOverlayStatus status);
  15         void UpdateFileChecksum(string path, string checksum);
  16         void RemoveFileOverlayStatus(string path);
  17         void SetFileStatus(string path, FileStatus status);
  18         FileStatus GetFileStatus(string path);
  19         void ClearFileStatus(string path);
  20         void SetPithosStatus(PithosStatus status);
  21         FileOverlayStatus GetFileOverlayStatus(string path);
  22         IEnumerable<string> StoreUnversionedFiles(ParallelQuery<string> paths);
  23         void Stop();
  24         void SetFileState(string path, FileStatus fileStatus, FileOverlayStatus overlayStatus);
  25         void StoreInfo(string path, ObjectInfo objectInfo);
  26         T GetStatus<T>(string path,Func<FileState,T> getter,T defaultValue );
  27         void SetStatus(string path, Action<FileState> setter);
  28         void SetNetworkState(string fileName, NetworkState uploading);
  29         NetworkState GetNetworkState(string fileName);
  30
  31         void StartProcessing(CancellationToken token);
  32
  33     }
  34
  35     [ContractClassFor(typeof(IStatusKeeper))]
  36     public abstract class IStatusKeeperContract : IStatusKeeper
  37     {
  38         public void SetFileOverlayStatus(string path, FileOverlayStatus status)
  39         {
  40             Contract.Requires(!String.IsNullOrWhiteSpace(path));
  41         }
  42
  43         public void UpdateFileChecksum(string path, string checksum)
  44         {
  45             Contract.Requires(!String.IsNullOrWhiteSpace(path));
  46             Contract.Requires(checksum!=null);
  47         }
  48
  49         public void RemoveFileOverlayStatus(string path)
  50         {
  51             Contract.Requires(!String.IsNullOrWhiteSpace(path));
  52         }
  53
  54         public void RenameFileOverlayStatus(string oldPath, string newPath)
  55         {
  56             Contract.Requires(!String.IsNullOrWhiteSpace(oldPath));
  57             Contract.Requires(!String.IsNullOrWhiteSpace(newPath));
  58
  59         }
  60
  61         public void SetFileStatus(string path, FileStatus status)
  62         {
  63             Contract.Requires(!String.IsNullOrWhiteSpace(path));
  64         }
  65
  66         public FileStatus GetFileStatus(string path)
  67         {
  68             Contract.Requires(!String.IsNullOrWhiteSpace(path));
  69
  70             return default(FileStatus);
  71         }
  72
  73         public FileOverlayStatus GetFileOverlayStatus(string path)
  74         {
  75             Contract.Requires(!String.IsNullOrWhiteSpace(path));
  76
  77             return default(FileOverlayStatus);
  78         }
  79
  80         public IEnumerable<string> StoreUnversionedFiles(ParallelQuery<string> paths)
  81         {
  82             Contract.Requires(paths!=null);
  83
  84             return default(IEnumerable<string>);
  85         }
  86
  87         public void Stop()
  88         {
  89
  90         }
  91
  92         public void SetFileState(string path, FileStatus fileStatus, FileOverlayStatus overlayStatus)
  93         {
  94             Contract.Requires(!String.IsNullOrWhiteSpace(path));
  95         }
  96
  97         public void StoreInfo(string path, ObjectInfo objectInfo)
  98         {
  99             Contract.Requires(!String.IsNullOrWhiteSpace(path));
 100             Contract.Requires(objectInfo!=null);
 101         }
 102
 103         public T GetStatus<T>(string path, Func<FileState, T> getter, T defaultValue)
 104         {
 105             Contract.Requires(!String.IsNullOrWhiteSpace(path));
 106             Contract.Requires(getter!=null);
 107
 108             return default(T);
 109         }
 110
 111         public void SetStatus(string path, Action<FileState> setter)
 112         {
 113             Contract.Requires(!String.IsNullOrWhiteSpace(path));
 114             Contract.Requires(setter != null);
 115         }
 116
 117         public void SetNetworkState(string path, NetworkState uploading)
 118         {
 119             Contract.Requires(!String.IsNullOrWhiteSpace(path));
 120         }
 121
 122         public NetworkState GetNetworkState(string path)
 123         {
 124             Contract.Requires(!String.IsNullOrWhiteSpace(path));
 125
 126             return default(NetworkState);
 127         }
 128
 129         public void ClearFileStatus(string path)
 130         {
 131             Contract.Requires(!String.IsNullOrWhiteSpace(path));
 132         }
 133
 134         public void SetPithosStatus(PithosStatus status)
 135         {
 136         }
 137
 138         public void StartProcessing(CancellationToken token)
 139         {
 140             Contract.Requires(token != null, "token can't be empty");
 141         }
 142
 143     }
 144 }