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/protocols/ss7/mtp/mtp-impl/src/main/java/org/mobicents/protocols/ss7/mtp/MTPScheduler.java

http://mobicents.googlecode.com/
Java | 79 lines | 44 code | 7 blank | 28 comment | 11 complexity | 15aeb90b7db9e010705563f0c4321de6 MD5 | raw file
Possible License(s): LGPL-3.0, GPL-3.0, LGPL-2.1, GPL-2.0, CC-BY-SA-3.0, CC0-1.0, Apache-2.0, BSD-3-Clause
  1. /*
  2. * JBoss, Home of Professional Open Source
  3. * Copyright 2011, Red Hat, Inc. and individual contributors
  4. * by the @authors tag. See the copyright.txt in the distribution for a
  5. * full listing of individual contributors.
  6. *
  7. * This is free software; you can redistribute it and/or modify it
  8. * under the terms of the GNU Lesser General Public License as
  9. * published by the Free Software Foundation; either version 2.1 of
  10. * the License, or (at your option) any later version.
  11. *
  12. * This software is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15. * Lesser General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU Lesser General Public
  18. * License along with this software; if not, write to the Free
  19. * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  20. * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
  21. */
  22. package org.mobicents.protocols.ss7.mtp;
  23. import org.apache.log4j.Logger;
  24. /**
  25. *
  26. * @author kulikov
  27. */
  28. public class MTPScheduler {
  29. protected static final Logger logger = Logger.getLogger(MTPScheduler.class);
  30. protected MTPTask[] tasks = new MTPTask[5];
  31. MTPTask tempTask = null;
  32. public void schedule(MTPTask task, int delay) {
  33. task.deadLine= System.currentTimeMillis() + delay;
  34. for (int i = 0; i < tasks.length; i++) {
  35. if (tasks[i] == null || tasks[i].canceled) {
  36. task.canceled = false;
  37. tasks[i] = task;
  38. task.index = i;
  39. task.scheduler = this;
  40. break;
  41. }
  42. }
  43. }
  44. public void tick() {
  45. long now = System.currentTimeMillis();
  46. for (int i = 0; i < tasks.length; i++) {
  47. if (tasks[i] != null && (tasks[i].deadLine <= now)) {
  48. //check if has been canceled from different thread.
  49. if (tasks[i].canceled) {
  50. tasks[i] = null;
  51. }else
  52. {
  53. tempTask = tasks[i];
  54. try{
  55. tempTask.run();
  56. }catch(Exception e)
  57. {
  58. if(logger.isDebugEnabled())
  59. {
  60. logger.debug("Failuer on task run.",e);
  61. }
  62. }
  63. //check if its canceled after run;
  64. if (tasks[i].canceled) {
  65. tasks[i] = null;
  66. }
  67. }
  68. //tempTask = null;
  69. }
  70. }
  71. }
  72. }