source: trunk/sources/HeuristicLab.Hive.Server.Core/LifecycleManager.cs @ 1133

Last change on this file since 1133 was 1133, checked in by msteinbi, 12 years ago

Implementing Lifecycle Management (#453)

File size: 2.4 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2008 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.Collections.Generic;
24using System.Linq;
25using System.Text;
26using HeuristicLab.Hive.Contracts.Interfaces;
27using HeuristicLab.Hive.Server.Core.InternalInterfaces.DataAccess;
28using System.Timers;
29
30namespace HeuristicLab.Hive.Server.Core {
31  class LifecycleManager: ILifecycleManager {
32    private static Timer timer =
33      new Timer();
34
35    private static event EventHandler OnServerHeartbeat;
36    private static event EventHandler OnStartup;
37    private static event EventHandler OnShutdown;
38    #region ILifecycleManager Members
39
40    public void RegisterHeartbeat(EventHandler handler) {
41      OnServerHeartbeat += handler;
42    }
43
44    public void RegisterStartup(EventHandler handler) {
45      OnStartup += handler;
46    }
47
48    public void RegisterShutdown(EventHandler handler) {
49      OnShutdown += handler;
50    }
51
52    public void Init() {
53      timer.Interval = new TimeSpan(0, 0, 10).TotalMilliseconds; // TODO: global constant needed
54      timer.Elapsed += new ElapsedEventHandler(timer_Elapsed);
55      timer.Start();
56
57      if (OnStartup != null)
58        OnStartup(this, null);
59    }
60
61    void timer_Elapsed(object sender, ElapsedEventArgs e) {
62      if (OnServerHeartbeat != null)
63        OnServerHeartbeat(this, null);
64    }
65
66    public ITransactionManager GetTransactionManager() {
67      return ServiceLocator.GetTransactionManager();
68    }
69
70    public void Shutdown() {
71      ServiceLocator.GetTransactionManager().UpdateDB();
72
73      if (OnShutdown != null)
74        OnShutdown(this, null);
75    }
76
77    #endregion
78  }
79}
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