#region License Information /* HeuristicLab * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL) * * This file is part of HeuristicLab. * * HeuristicLab is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * HeuristicLab is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with HeuristicLab. If not, see . */ #endregion using System; using System.Collections.Generic; using System.Linq; using System.Threading; using HeuristicLab.Common; using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; namespace HeuristicLab.Core { [Item("ThreadSafeLog", "A thread-safe log for logging string messages.")] [StorableClass] public sealed class ThreadSafeLog : Log { private ReaderWriterLockSlim locker = new ReaderWriterLockSlim(); public override IEnumerable Messages { get { locker.EnterReadLock(); try { return messages.ToArray(); // return copy of messages } finally { locker.ExitReadLock(); } } } [StorableConstructor] private ThreadSafeLog(bool deserializing) : base(deserializing) { } public ThreadSafeLog(long maxMessageCount = -1) : base(maxMessageCount) { } private ThreadSafeLog(ThreadSafeLog original, Cloner cloner) : base(original, cloner) { } public override IDeepCloneable Clone(Cloner cloner) { locker.EnterReadLock(); try { return new ThreadSafeLog(this, cloner); } finally { locker.ExitReadLock(); } } public override void Clear() { locker.EnterWriteLock(); try { messages.Clear(); } finally { locker.ExitWriteLock(); } OnCleared(); } public override void LogMessage(string message) { string s = FormatLogMessage(message); locker.EnterWriteLock(); try { messages.Add(s); CapMessages(); } finally { locker.ExitWriteLock(); } OnMessageAdded(s); } public override void LogException(Exception ex) { string s = FormatException(ex); locker.EnterWriteLock(); try { messages.Add(s); CapMessages(); } finally { locker.ExitWriteLock(); } OnMessageAdded(s); } } }