public void ExecuteFrame(PageCache cache)
{
if (0 == _waitQueue.Count)
{
return;
}
try
{
while (_waitQueue.Count != 0)
{
var key = _waitQueue.Dequeue();
PagePointer ptr;
cache.AddContext(key, out ptr);
Page page;
if (!cache.TryGetPage(ptr.index, out page))
{
_capturing.Enqueue(ptr.index);
}
}
while (_capturing.Count != 0)
{
var pageIndex = _capturing.Dequeue();
Task.Factory.StartNew(() =>
{
var page = _stream.Capture(pageIndex * Config.LENGTH_PAGE, (pageIndex + 1) * Config.LENGTH_PAGE).Flush();
page.index = pageIndex;
cache.AddPage(page);
});
}
}
catch (KeyNotFoundException e) { }
catch (Exception e) { }
finally
{
_waitQueue.Clear();
_capturing.Clear();
}
}