public async Task <Book> GetBookAsync(Guid id)
{
var pageCalculator = new Books.Legacy.ComplicatedPageCalculator();
var amountOfPages = pageCalculator.CalculateBookPages();
return(await _context.Books
.Include(b => b.Author)
.FirstOrDefaultAsync(b => b.Id == id));
}
public Task <int> GetBookPages()
{
// this long running task will run on a new thread
return(Task.Run(() =>
{
_logger.LogInformation($"ThreadId when entering GetBookPages: {System.Threading.Thread.CurrentThread.ManagedThreadId}");
var pageCalculator = new Books.Legacy.ComplicatedPageCalculator();
return pageCalculator.CalculateBookPages();
}));
}
// waiting for this result of legacy code
private Task <int> GetBookPages()
{
return(Task.Run(() => // free new thread requested - not optimized for Task.Run()
{
var pageCalculator = new Books.Legacy.ComplicatedPageCalculator();
_logger.LogInformation($"ThreadId when calculating the amount of pages: " +
$"{System.Threading.Thread.CurrentThread.ManagedThreadId}");
return pageCalculator.CalculateBookPages();
}));
}