/// <summary>
/// Starts the block type compilation thread.
/// </summary>
private static void StartBlockTypeCompilationThread()
{
BlockTypeCompilationThread = new Thread(() =>
{
// Set to background thread so that this thread doesn't prevent Rock from shutting down.
Thread.CurrentThread.IsBackground = true;
// Set priority to lowest so that RockPage.VerifyBlockTypeInstanceProperties() gets priority
Thread.CurrentThread.Priority = ThreadPriority.Lowest;
Stopwatch stopwatchCompileBlockTypes = Stopwatch.StartNew();
// get a list of all block types that are used by blocks
var allUsedBlockTypeIds = new BlockTypeService(new RockContext()).Queryable()
.Where(a => a.Blocks.Any())
.OrderBy(a => a.Category)
.Select(a => a.Id).ToArray();
// Pass in a CancellationToken so we can stop compiling if Rock shuts down before it is done
BlockTypeService.VerifyBlockTypeInstanceProperties(allUsedBlockTypeIds, _threadCancellationTokenSource.Token);
Debug.WriteLine(string.Format("[{0,5:#} seconds] All block types Compiled", stopwatchCompileBlockTypes.Elapsed.TotalSeconds));
});
BlockTypeCompilationThread.Start();
}