1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Threading;
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24 | using HeuristicLab.Services.Hive.DataAccess;
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25 | using HeuristicLab.Services.Hive.DataAccess.Interfaces;
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26 |
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27 | namespace HeuristicLab.Services.Hive {
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28 | public class HiveJanitor {
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29 | private bool stop;
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30 | private AutoResetEvent cleanupWaitHandle;
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31 | private AutoResetEvent generateStatisticsWaitHandle;
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32 |
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33 | private IPersistenceManager PersistenceManager {
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34 | get { return ServiceLocator.Instance.PersistenceManager; }
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35 | }
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36 | private IEventManager EventManager {
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37 | get { return ServiceLocator.Instance.EventManager; }
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38 | }
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39 |
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40 | private IStatisticsGenerator StatisticsGenerator {
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41 | get { return ServiceLocator.Instance.StatisticsGenerator; }
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42 | }
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43 |
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44 | public HiveJanitor() {
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45 | stop = false;
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46 | cleanupWaitHandle = new AutoResetEvent(false);
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47 | generateStatisticsWaitHandle = new AutoResetEvent(false);
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48 | }
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49 |
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50 | public void StopJanitor() {
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51 | stop = true;
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52 | cleanupWaitHandle.Set();
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53 | generateStatisticsWaitHandle.Set();
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54 | }
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55 |
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56 | public void RunCleanup() {
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57 | var pm = PersistenceManager;
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58 | while (!stop) {
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59 | try {
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60 | LogFactory.GetLogger(typeof(HiveJanitor).Namespace).Log("HiveJanitor: starting cleanup.");
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61 | bool cleanup = false;
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62 |
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63 | var lifecycleDao = pm.LifecycleDao;
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64 | pm.UseTransaction(() => {
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65 | var lifecycle = lifecycleDao.GetLastLifecycle();
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66 | if (lifecycle == null
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67 | || DateTime.Now - lifecycle.LastCleanup > Properties.Settings.Default.CleanupInterval) {
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68 | lifecycleDao.UpdateLifecycle();
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69 | cleanup = true;
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70 | }
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71 | pm.SubmitChanges();
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72 | }, true);
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73 |
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74 | if (cleanup) {
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75 | EventManager.Cleanup();
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76 | }
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77 | LogFactory.GetLogger(typeof(HiveJanitor).Namespace).Log("HiveJanitor: cleanup finished.");
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78 | }
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79 | catch (Exception e) {
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80 | LogFactory.GetLogger(typeof(HiveJanitor).Namespace).Log(string.Format("HiveJanitor: The following exception occured: {0}", e.ToString()));
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81 | }
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82 | cleanupWaitHandle.WaitOne(Properties.Settings.Default.CleanupInterval);
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83 | }
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84 | cleanupWaitHandle.Close();
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85 | }
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86 |
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87 | public void RunGenerateStatistics() {
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88 | while (!stop) {
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89 | try {
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90 | LogFactory.GetLogger(typeof(HiveJanitor).Namespace).Log("HiveJanitor: starting generate statistics.");
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91 | StatisticsGenerator.GenerateStatistics();
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92 | LogFactory.GetLogger(typeof(HiveJanitor).Namespace).Log("HiveJanitor: generate statistics finished.");
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93 | }
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94 | catch (Exception e) {
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95 | LogFactory.GetLogger(typeof(HiveJanitor).Namespace).Log(string.Format("HiveJanitor: The following exception occured: {0}", e));
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96 | }
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97 |
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98 | generateStatisticsWaitHandle.WaitOne(Properties.Settings.Default.GenerateStatisticsInterval);
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99 | }
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100 |
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101 | generateStatisticsWaitHandle.Close();
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102 | }
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103 | }
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104 | }
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105 |
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106 |
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107 |
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