source: branches/HiveStatistics/sources/HeuristicLab.Services.Hive/3.3/HiveJanitor.cs @ 12484

Last change on this file since 12484 was 12484, checked in by dglaser, 7 years ago

#2388: Updated Hive, DataAccess and WebApp

HeuristicLab.Services.Hive.DataAccess:

  • Updated database statistics schema

HeuristicLab.Services.Hive:

  • Fixed event flag in HiveJanitor Service
  • Improved UpdateTaskFactsTable in the HiveStatisticsGenerator

HeuristicLab.Services.WebApp:

  • Updated Statistics DataController to match the new statistics schema
File size: 3.7 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 ITransactionManager trans {
34      get { return ServiceLocator.Instance.TransactionManager; }
35    }
36
37    private IEventManager eventManager {
38      get { return ServiceLocator.Instance.EventManager; }
39    }
40
41    private IStatisticsGenerator statisticsGenerator {
42      get { return ServiceLocator.Instance.StatisticsGenerator; }
43    }
44
45    private IHiveDao dao {
46      get { return ServiceLocator.Instance.HiveDao; }
47    }
48
49    public HiveJanitor() {
50      stop = false;
51      cleanupWaitHandle = new AutoResetEvent(false);
52      generateStatisticsWaitHandle = new AutoResetEvent(false);
53    }
54
55    public void StopJanitor() {
56      stop = true;
57      cleanupWaitHandle.Set();
58      generateStatisticsWaitHandle.Set();
59    }
60
61    public void RunCleanup() {
62      while (!stop) {
63        try {
64          LogFactory.GetLogger(typeof(HiveJanitor).Namespace).Log("HiveJanitor: starting cleanup.");
65          bool cleanup = false;
66          trans.UseTransaction(() => {
67            DateTime lastCleanup = dao.GetLastCleanup();
68            if (DateTime.Now - lastCleanup > HeuristicLab.Services.Hive.Properties.Settings.Default.CleanupInterval) {
69              dao.SetLastCleanup(DateTime.Now);
70              cleanup = true;
71            }
72          }, true);
73
74          if (cleanup) {
75            eventManager.Cleanup();
76          }
77          LogFactory.GetLogger(typeof(HiveJanitor).Namespace).Log("HiveJanitor: cleanup finished.");
78        }
79        catch (Exception e) {
80          LogFactory.GetLogger(typeof(HiveJanitor).Namespace).Log(string.Format("HiveJanitor: The following exception occured: {0}", e.ToString()));
81        }
82        cleanupWaitHandle.WaitOne(HeuristicLab.Services.Hive.Properties.Settings.Default.CleanupInterval);
83      }
84      cleanupWaitHandle.Close();
85    }
86
87    public void RunGenerateStatistics() {
88      while (!stop) {
89        try {
90          LogFactory.GetLogger(typeof(HiveJanitor).Namespace).Log("HiveJanitor: starting generate statistics.");
91          statisticsGenerator.GenerateStatistics();
92          LogFactory.GetLogger(typeof(HiveJanitor).Namespace).Log("HiveJanitor: generate statistics finished.");
93        }
94        catch (Exception e) {
95          LogFactory.GetLogger(typeof(HiveJanitor).Namespace).Log(string.Format("HiveJanitor: The following exception occured: {0}", e));
96        }
97
98        generateStatisticsWaitHandle.WaitOne(Properties.Settings.Default.GenerateStatisticsInterval);
99      }
100
101      generateStatisticsWaitHandle.Close();
102    }
103  }
104}
105
106
107
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