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Fix the symbol cache and image cache

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This commit is contained in:
Sean
2026-02-22 14:04:44 -05:00
parent 9a7b09ef7c
commit 01c2516eaa
2 changed files with 30 additions and 17 deletions
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25
PortfolioManager/Cache/ImageCache.cs
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@@ -57,6 +57,7 @@ namespace PortfolioManager.Cache
{
lock (thisLock)
{
DisposeBitmaps();
imageCache = new Dictionary<ImageType, Bitmap>();
}
}
@@ -66,22 +67,30 @@ namespace PortfolioManager.Cache
lock (thisLock)
{
if (null == imageCacheInstance) return;
List<Bitmap> bitmaps = imageCache.Values.ToList();
foreach (Bitmap bitmap in bitmaps)
{
bitmap.Dispose();
}
DisposeBitmaps();
imageCache = null;
imageCacheInstance = null;
}
}
public IImage GetImage(ImageCache.ImageType imageType)
private void DisposeBitmaps()
{
lock(this)
if(null == imageCache)return;
List<Bitmap> bitmaps = imageCache.Values.ToList();
foreach (Bitmap bitmap in bitmaps)
{
return imageCache[imageType];
bitmap.Dispose();
}
}
public IImage GetImage(ImageType imageType)
{
lock(thisLock)
{
if (imageCache == null)throw new ObjectDisposedException(nameof(ImageCache));
if (!imageCache.TryGetValue(imageType, out var bitmap))throw new KeyNotFoundException($"Image {imageType} not found in cache.");
return bitmap;
}
}
}
}

18
PortfolioManager/Cache/SymbolCache.cs
View File

@@ -10,7 +10,8 @@ namespace PortfolioManager.Cache
public class SymbolCache : IDisposable
{
private List<String> symbolCache=new List<String>();
private Object thisLock=new Object();
private readonly Object thisLock=new Object();
private readonly Object fetchLock = new Object();
private Thread cacheMonitorThread=null;
private volatile bool threadRun=true;
private int cacheRefreshAfter=60000; // Invalidate cache after
@@ -60,12 +61,15 @@ namespace PortfolioManager.Cache
{
if(symbolCache.Count>0)return new List<string>(symbolCache);
}
List<String> symbols = PricingDA.GetSymbols();
lock(thisLock)
lock(fetchLock)
{
if(symbolCache.Count>0)return new List<string>(symbolCache);
symbolCache=new List<String>(symbols);
return new List<string>(symbols);
List<String> symbols = PricingDA.GetSymbols();
lock(thisLock)
{
if(symbolCache.Count>0)return new List<string>(symbolCache);
symbolCache=new List<String>(symbols);
return new List<string>(symbols);
}
}
}
@@ -81,7 +85,7 @@ namespace PortfolioManager.Cache
if(quantums>cacheRefreshAfter)
{
quantums=0;
List<String> symbols = PricingDA.GetSymbols();
List<String> symbols = PricingDA.GetSymbols();
lock(thisLock)
{
symbolCache=new List<string>(symbols);