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/source/library/Interlace/ReactorCore/RepeatingTimerHandle.cs

https://bitbucket.org/VahidN/interlace
C# | 86 lines | 44 code | 17 blank | 25 comment | 6 complexity | 078e2f662dcc7e8737a0d67ad326a39f 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. #endregion
  31. namespace Interlace.ReactorCore
  32. {
  33. public class RepeatingTimerHandle
  34. {
  35. TimerQueue _queue;
  36. TimeSpan _interval;
  37. TimerCallback _callback;
  38. object _state;
  39. bool _running;
  40. TimerHandle _currentHandle;
  41. public RepeatingTimerHandle(TimerQueue queue, TimeSpan interval, TimerCallback callback, object state, bool started)
  42. {
  43. _queue = queue;
  44. _interval = interval;
  45. _callback = callback;
  46. _state = state;
  47. if (started) Start();
  48. }
  49. public void Start()
  50. {
  51. if (_running) return;
  52. _currentHandle = _queue.Add(DateTime.Now + _interval, Callback, null);
  53. _running = true;
  54. }
  55. void Callback(DateTime fireAt, object state)
  56. {
  57. if (!_running) return;
  58. _callback(fireAt, _state);
  59. _currentHandle = _queue.Add(DateTime.Now + _interval, Callback, null);
  60. }
  61. public void Stop()
  62. {
  63. if (!_running) return;
  64. _running = false;
  65. if (_currentHandle != null) _currentHandle.Cancel();
  66. _currentHandle = null;
  67. }
  68. }
  69. }