Fix symbol cache
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@@ -36,31 +36,39 @@ namespace PortfolioManager.Cache
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symbolCache=new List<string>();
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}
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}
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public void Dispose()
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{
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lock(thisLock)
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{
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if(null==symbolCacheInstance || false==threadRun)return;
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if(null==symbolCacheInstance || false==threadRun)return;
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threadRun=false;
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if(null!=cacheMonitorThread)
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{
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MDTrace.WriteLine(LogLevel.DEBUG,String.Format("[SymbolCache:Dispose]Thread state is {0}. Joining main thread...",Utility.ThreadStateToString(cacheMonitorThread)));
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cacheMonitorThread.Join(5000);
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cacheMonitorThread=null;
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MDTrace.WriteLine(LogLevel.DEBUG,"[SymbolCache:Dispose] End.");
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}
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symbolCacheInstance=null;
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}
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if(null!=cacheMonitorThread)
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{
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MDTrace.WriteLine(LogLevel.DEBUG,String.Format("[SymbolCache:Dispose]Thread state is {0}. Joining main thread...",Utility.ThreadStateToString(cacheMonitorThread)));
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cacheMonitorThread.Join(5000);
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cacheMonitorThread=null;
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MDTrace.WriteLine(LogLevel.DEBUG,"[SymbolCache:Dispose] End.");
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}
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}
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public List<String> GetSymbols()
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{
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lock(this)
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lock(thisLock)
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{
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if(0==symbolCache.Count)symbolCache=PricingDA.GetSymbols();
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return symbolCache;
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if(symbolCache.Count>0)return new List<string>(symbolCache);
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}
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List<String> symbols = PricingDA.GetSymbols();
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lock(thisLock)
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{
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if(symbolCache.Count>0)return new List<string>(symbolCache);
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symbolCache=new List<String>(symbols);
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return new List<string>(symbols);
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}
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}
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private void ThreadProc()
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{
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int quantums=0;
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@@ -68,13 +76,15 @@ namespace PortfolioManager.Cache
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while(threadRun)
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{
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Thread.Sleep(quantumInterval);
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if(!threadRun)break;
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quantums+=quantumInterval;
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if(quantums>cacheRefreshAfter)
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{
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quantums=0;
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List<String> symbols = PricingDA.GetSymbols();
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lock(thisLock)
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{
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symbolCache=PricingDA.GetSymbols();
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symbolCache=new List<string>(symbols);
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}
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}
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}
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