source: branches/HiveStatistics/sources/HeuristicLab.Services.Hive/3.3/HiveJanitor.cs @ 12789

Last change on this file since 12789 was 12789, checked in by dglaser, 7 years ago

#2388:

HeuristicLab.Services.Access.DataAccess-3.3:

  • Added a new method to the TaskDao

HeuristicLab.Services.Hive-3.3:

  • Added NewEventManager.cs
  • Updated HiveJanitor.cs
  • Updated ServiceLocator.cs
File size: 3.8 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab 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
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Threading;
24using HeuristicLab.Services.Hive.DataAccess;
25using HeuristicLab.Services.Hive.DataAccess.Interfaces;
26
27namespace HeuristicLab.Services.Hive {
28  public class HiveJanitor {
29    private bool stop;
30    private AutoResetEvent cleanupWaitHandle;
31    private AutoResetEvent generateStatisticsWaitHandle;
32
33    private IPersistenceManager PersistenceManager {
34      get { return ServiceLocator.Instance.PersistenceManager; }
35    }
36    private IEventManager EventManager {
37      get { return ServiceLocator.Instance.EventManager; }
38    }
39
40    private IStatisticsGenerator StatisticsGenerator {
41      get { return ServiceLocator.Instance.StatisticsGenerator; }
42    }
43
44    public HiveJanitor() {
45      stop = false;
46      cleanupWaitHandle = new AutoResetEvent(false);
47      generateStatisticsWaitHandle = new AutoResetEvent(false);
48    }
49
50    public void StopJanitor() {
51      stop = true;
52      cleanupWaitHandle.Set();
53      generateStatisticsWaitHandle.Set();
54    }
55
56    public void RunCleanup() {
57      while (!stop) {
58        try {
59          LogFactory.GetLogger(typeof(HiveJanitor).Namespace).Log("HiveJanitor: starting cleanup.");
60          bool cleanup = false;
61          using (var pm = PersistenceManager) {
62            var lifecycleDao = pm.LifecycleDao;
63            pm.UseTransaction(() => {
64              var lifecycle = lifecycleDao.GetLastLifecycle();
65              if (lifecycle == null
66                  || DateTime.Now - lifecycle.LastCleanup > HeuristicLab.Services.Hive.Properties.Settings.Default.CleanupInterval) {
67                lifecycleDao.UpdateLifecycle();
68                cleanup = true;
69              }
70              pm.SubmitChanges();
71            }, true);
72          }
73          if (cleanup) {
74            EventManager.Cleanup();
75          }
76          LogFactory.GetLogger(typeof(HiveJanitor).Namespace).Log("HiveJanitor: cleanup finished.");
77        }
78        catch (Exception e) {
79          LogFactory.GetLogger(typeof(HiveJanitor).Namespace).Log(string.Format("HiveJanitor: The following exception occured: {0}", e.ToString()));
80        }
81        cleanupWaitHandle.WaitOne(HeuristicLab.Services.Hive.Properties.Settings.Default.CleanupInterval);
82      }
83      cleanupWaitHandle.Close();
84    }
85
86    public void RunGenerateStatistics() {
87      while (!stop) {
88        try {
89          LogFactory.GetLogger(typeof(HiveJanitor).Namespace).Log("HiveJanitor: starting generate statistics.");
90          StatisticsGenerator.GenerateStatistics();
91          LogFactory.GetLogger(typeof(HiveJanitor).Namespace).Log("HiveJanitor: generate statistics finished.");
92        }
93        catch (Exception e) {
94          LogFactory.GetLogger(typeof(HiveJanitor).Namespace).Log(string.Format("HiveJanitor: The following exception occured: {0}", e));
95        }
96
97        generateStatisticsWaitHandle.WaitOne(Properties.Settings.Default.GenerateStatisticsInterval);
98      }
99
100      generateStatisticsWaitHandle.Close();
101    }
102  }
103}
104
105
106
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