/interpreter/tags/at2dist220411/src/edu/vub/at/actors/net/cmd/CMDObjectReconnected.java

http://ambienttalk.googlecode.com/ · Java · 70 lines · 22 code · 8 blank · 40 comment · 0 complexity · 80de762787b37b0498d7ae4f21a61488 MD5 · raw file

  1. /**
  2. * AmbientTalk/2 Project
  3. * CMDObjectTakenOffline.java
  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.net.cmd;
  29. import edu.vub.at.actors.id.ATObjectID;
  30. import edu.vub.at.actors.natives.ELVirtualMachine;
  31. import edu.vub.at.actors.net.comm.Address;
  32. import edu.vub.at.actors.net.comm.CommunicationBus;
  33. /**
  34. * A CMDObjectTakenOfflineSoft command is sent asynchronously to all connected VMs when
  35. * an actor on the sender VM takes one of its objects offline. Connected VMs are notified
  36. * of this event so that they can check if they had a far remote reference to the offline object.
  37. *
  38. * SENDER: the VM that reconnects an object
  39. * RECEIVER: all connected VMs
  40. * MODE: ASYNCHRONOUS, MULTICAST
  41. * PROPERTIES: objectID of the reconnected object
  42. * REPLY: none
  43. *
  44. * @author kpinte
  45. */
  46. public class CMDObjectReconnected extends VMCommand{
  47. private static final long serialVersionUID = -2928210552460460485L;
  48. private final ATObjectID senderObjectId_;
  49. public CMDObjectReconnected(ATObjectID senderObjectId) {
  50. super("objectReconnected");
  51. senderObjectId_ = senderObjectId;
  52. }
  53. public void send(CommunicationBus dispatcher, Address recipient) {
  54. dispatcher.sendAsyncUnicast(this, recipient);
  55. }
  56. public void broadcast(CommunicationBus dispatcher) {
  57. dispatcher.sendAsyncMulticast(this);
  58. }
  59. public void uponReceiptBy(ELVirtualMachine remoteHost, Address senderAddress) {
  60. remoteHost.connectionManager_.notifyObjectReconnected(senderObjectId_);
  61. }
  62. }