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/source/library/Interlace/ReactorService/EventReactorThreadInvoker.cs

https://bitbucket.org/VahidN/interlace
C# | 80 lines | 41 code | 14 blank | 25 comment | 2 complexity | 88595fb077830b52baef4219d79b3ee7 MD5 | raw file
  1. #region Using Directives and Copyright Notice
  2. // Copyright (c) 2007-2010, Computer Consultancy Pty Ltd
  3. // All rights reserved.
  4. //
  5. // Redistribution and use in source and binary forms, with or without
  6. // modification, are permitted provided that the following conditions are met:
  7. // * Redistributions of source code must retain the above copyright
  8. // notice, this list of conditions and the following disclaimer.
  9. // * Redistributions in binary form must reproduce the above copyright
  10. // notice, this list of conditions and the following disclaimer in the
  11. // documentation and/or other materials provided with the distribution.
  12. // * Neither the name of the Computer Consultancy Pty Ltd nor the
  13. // names of its contributors may be used to endorse or promote products
  14. // derived from this software without specific prior written permission.
  15. //
  16. // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  17. // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18. // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19. // ARE DISCLAIMED. IN NO EVENT SHALL COMPUTER CONSULTANCY PTY LTD BE LIABLE
  20. // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21. // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  22. // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  23. // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24. // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25. // OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
  26. // DAMAGE.
  27. using System;
  28. using System.Collections.Generic;
  29. using System.Text;
  30. using System.Threading;
  31. using Interlace.ReactorCore;
  32. using Interlace.Utilities;
  33. #endregion
  34. namespace Interlace.ReactorService
  35. {
  36. public class EventReactorThreadInvoker : IThreadInvoker
  37. {
  38. delegate void QueueDelegate();
  39. ReactorThreadInvokerQueue _queue;
  40. public EventReactorThreadInvoker(ReactorThreadInvokerQueue queue)
  41. {
  42. _queue = queue;
  43. }
  44. #region IThreadInvoker Members
  45. public object Invoke(Delegate method)
  46. {
  47. Invoke(method, new object[] { });
  48. return null;
  49. }
  50. public object Invoke(Delegate method, params object[] args)
  51. {
  52. using (ManualResetEvent waitHandle = new ManualResetEvent(false))
  53. {
  54. _queue._queue.Enqueue(
  55. delegate()
  56. {
  57. object result = method.DynamicInvoke(args);
  58. if (result != null) throw new InvalidOperationException(
  59. "An invoke called via an event reactor thread invoker returned a non-null value, which is not permitted.");
  60. });
  61. return null;
  62. }
  63. }
  64. #endregion
  65. }
  66. }