public override void Save(string id, byte[] data, string blackImageFile)
{
this.AcquireWriterLock();
try
{
StringCollection keys = new StringCollection();
foreach (string key in this._storeItems.Keys)
{
ChartStoreItem item1 = this._storeItems[key];
if (item1.IsExpired(this._timeoutInMinutes))
{
keys.Add(key);
}
}
foreach (string key in keys)
{
this._storeItems.Remove(key);
}
this._storeItems.Add(id, new ChartStoreItem(id, data, blackImageFile));
}
finally
{
this.ReleaseWriterLock();
}
}
public override byte[] Load(string id, out string fileName, out string blackImageFile)
{
fileName = null;
blackImageFile = null;
this.AcquireReaderLock();
try
{
ChartStoreItem item = null;
if (this._storeItems.TryGetValue(id, out item))
{
fileName = item.FileName;
blackImageFile = item.BlackImageFile;
return(item.Data);
}
else
{
return(null);
}
}
finally
{
this.ReleaseLock();
}
}
