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source: branches/HeuristicLab.Hive.Azure/HeuristicLab.Core/3.3/ThreadSafeLog.cs @ 7317

Last change on this file since 7317 was 7270, checked in by spimming, 13 years ago

#1680:

  • merged changes from trunk into branch
File size: 2.7 KB
RevLine 
[6424]1#region License Information
2/* HeuristicLab
[7270]3 * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[6424]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.Threading;
26using HeuristicLab.Common;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28
29namespace HeuristicLab.Core {
30  [Item("ThreadSafeLog", "A thread-safe log for logging string messages.")]
31  [StorableClass]
[7215]32  public sealed class ThreadSafeLog : Log {
33    private ReaderWriterLockSlim locker = new ReaderWriterLockSlim();
[6424]34
[6862]35    public override IEnumerable<string> Messages {
[6424]36      get {
37        locker.EnterReadLock();
38        try {
[6862]39          return messages.ToArray(); // return copy of messages
[7215]40        } finally { locker.ExitReadLock(); }
[6424]41      }
42    }
43
44    [StorableConstructor]
[7215]45    private ThreadSafeLog(bool deserializing) : base(deserializing) { }
[6862]46    public ThreadSafeLog(long maxMessageCount = -1)
47      : base(maxMessageCount) {
[6424]48    }
49
[7215]50    private ThreadSafeLog(ThreadSafeLog original, Cloner cloner)
51      : base(original, cloner) { }
[6862]52
[6424]53    public override IDeepCloneable Clone(Cloner cloner) {
[7215]54      locker.EnterReadLock();
55      try {
56        return new ThreadSafeLog(this, cloner);
57      } finally { locker.ExitReadLock(); }
[6424]58    }
59
[6862]60    public override void Clear() {
[6424]61      locker.EnterWriteLock();
62      try {
[6862]63        messages.Clear();
[7215]64      } finally { locker.ExitWriteLock(); }
[6862]65      OnCleared();
[6424]66    }
67
[6862]68    public override void LogMessage(string message) {
69      string s = FormatLogMessage(message);
[6424]70      locker.EnterWriteLock();
71      try {
[6862]72        messages.Add(s);
73        CapMessages();
[7215]74      } finally { locker.ExitWriteLock(); }
[6862]75      OnMessageAdded(s);
[6424]76    }
77
[6862]78    public override void LogException(Exception ex) {
79      string s = FormatException(ex);
[6424]80      locker.EnterWriteLock();
81      try {
[6862]82        messages.Add(s);
83        CapMessages();
[7215]84      } finally { locker.ExitWriteLock(); }
[6862]85      OnMessageAdded(s);
[6424]86    }
87  }
88}
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