/interpreter/tags/at2-build190607/src/edu/vub/at/actors/natives/NATRemoteFarRef.java

http://ambienttalk.googlecode.com/ · Java · 70 lines · 26 code · 6 blank · 38 comment · 0 complexity · 1e76db9cbe869a869cc33f553a64889b MD5 · raw file

  1. /**
  2. * AmbientTalk/2 Project
  3. * NATRemoteFarRef.java created on 22-dec-2006 at 11:35:01
  4. * (c) Programming Technology Lab, 2006 - 2007
  5. * Authors: Tom Van Cutsem & Stijn Mostinckx
  6. *
  7. * Permission is hereby granted, free of charge, to any person
  8. * obtaining a copy of this software and associated documentation
  9. * files (the "Software"), to deal in the Software without
  10. * restriction, including without limitation the rights to use,
  11. * copy, modify, merge, publish, distribute, sublicense, and/or
  12. * sell copies of the Software, and to permit persons to whom the
  13. * Software is furnished to do so, subject to the following
  14. * conditions:
  15. *
  16. * The above copyright notice and this permission notice shall be
  17. * included in all copies or substantial portions of the Software.
  18. *
  19. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  20. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  21. * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  22. * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  23. * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  24. * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  25. * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  26. * OTHER DEALINGS IN THE SOFTWARE.
  27. */
  28. package edu.vub.at.actors.natives;
  29. import edu.vub.at.actors.ATAsyncMessage;
  30. import edu.vub.at.actors.id.ATObjectID;
  31. import edu.vub.at.exceptions.InterpreterException;
  32. import edu.vub.at.objects.ATObject;
  33. import edu.vub.at.objects.ATTypeTag;
  34. import edu.vub.at.objects.ATTable;
  35. import edu.vub.at.objects.natives.NATNil;
  36. import edu.vub.at.util.logging.Logging;
  37. /**
  38. * Instances of NATRemoteFarRef represent far references to physically remote actors.
  39. * By 'physically remote', we mean in a separate address space.
  40. *
  41. * @author tvcutsem
  42. */
  43. public class NATRemoteFarRef extends NATFarReference {
  44. /**
  45. * When a remote far reference is passed on to another virtual machine, the event loop
  46. * is not taken with it. At the remote end, a new far reference will be created with the
  47. * appropriate event loop.
  48. */
  49. private transient final ELFarReference sendLoop_;
  50. public NATRemoteFarRef(ATObjectID objectId, ELActor hostActor, ATTypeTag[] types) {
  51. super(objectId, types, hostActor);
  52. sendLoop_ = new ELFarReference(objectId, hostActor, this);
  53. }
  54. protected ATObject transmit(ATAsyncMessage message) throws InterpreterException {
  55. sendLoop_.event_transmit(message);
  56. return NATNil._INSTANCE_;
  57. }
  58. public ATTable meta_retractUnsentMessages() throws InterpreterException {
  59. return sendLoop_.retractUnsentMessages();
  60. }
  61. protected void finalize() throws Throwable{
  62. sendLoop_.stopProcessing();
  63. }
  64. }