beagled/FileSystemQueryable/NullFileEventBackend.cs

   1 //
   2 // NullFileEventBackend.cs
   3 //
   4 // Copyright (C) 2006 Novell, Inc.
   5 //
   6
   7 //
   8 // Permission is hereby granted, free of charge, to any person obtaining a
   9 // copy of this software and associated documentation files (the "Software"),
  10 // to deal in the Software without restriction, including without limitation
  11 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12 // and/or sell copies of the Software, and to permit persons to whom the
  13 // Software is furnished to do so, subject to the following conditions:
  14 //
  15 // The above copyright notice and this permission notice shall be included in
  16 // all copies or substantial portions of the Software.
  17 //
  18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  23 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  24 // DEALINGS IN THE SOFTWARE.
  25 //
  26
  27 using Beagle.Util;
  28
  29 namespace Beagle.Daemon.FileSystemQueryable {
  30
  31         public class NullFileEventBackend : IFileEventBackend {
  32
  33                 static public bool Debug = false;
  34
  35                 public object CreateWatch (string path)
  36                 {
  37                         if (Debug)
  38                                 Logger.Log.Debug ("NullFileEventBackend: Asked to watch {0}", path);
  39
  40                         return null;
  41                 }
  42
  43                 public bool ForgetWatch (object watch_object)
  44                 {
  45                         if (Debug)
  46                                 Logger.Log.Debug ("NullFileEventBackend: Asked to forget {0}", watch_object);
  47
  48                         return false;
  49                 }
  50
  51                 public void Start (FileSystemQueryable queryable)
  52                 {
  53                 }
  54         }
  55 }