//// GET api/authors
//public IEnumerable<Author> Get()
//{
// var repo = new AuthorRepository();
// return repo.GetAuthors();
//}
// GET api/authors
public Task <FullResponse> Get()
{
var authorRepo = new AuthorRepository();
var titleRepo = new TitleRepository();
var tcs = new TaskCompletionSource <FullResponse>();
var response = new FullResponse();
int outstandingOperations = 2;
Task.Factory.FromAsync(authorRepo.BeginGetAuthors(null, null), iar =>
{
response.Authors = authorRepo.EndGetAuthors(iar);
int currentCount = Interlocked.Decrement(ref outstandingOperations);
if (currentCount == 0)
{
tcs.SetResult(response);
}
});
Task.Factory.FromAsync(titleRepo.BeginGetTitles(null, null), iar =>
{
response.Titles = titleRepo.EndGetTitles(iar);
int currentCount = Interlocked.Decrement(ref outstandingOperations);
if (currentCount == 0)
{
tcs.SetResult(response);
}
});
return(tcs.Task);
}
private IAsyncResult StartGetData(object sender, EventArgs e, AsyncCallback cb, object extradata)
{
asyncResult = new CountingAsyncResult(cb, extradata, 2);
SynchronizationContext ctx = SynchronizationContext.Current;
authorIar = authorRepo.BeginGetAuthors(iar =>
{
try
{
// OperationThatCouldThrowException();
}
catch (Exception x)
{
ctx.Send(_ =>
{
throw new WrapperException("An error occurred during processing", x);
}, null);
}
finally
{
asyncResult.OperationComplete();
}
//ctx.Post(_ =>
// {
// try
// {
// OperationThatCouldThrowException();
// }
// finally
// {
// asyncResult.OperationComplete();
// }
// }, null);
}, null);
titleIar = titleRepo.BeginGetTitles(iar =>
{
asyncResult.OperationComplete();
}, null);
return(asyncResult);
}
//public List<AuthorDTO> GetAuthors()
//{
// return authorRepo.GetAuthors()
// .Select(a => new AuthorDTO
// {
// FirstName = a.FirstName,
// LastName = a.LastName
// })
// .ToList();
//}
public IAsyncResult BeginGetAuthors(AsyncCallback callback, object state)
{
return(authorRepo.BeginGetAuthors(callback, state));
}
private IAsyncResult StartGetData(object sender, EventArgs e, AsyncCallback cb, object extradata)
{
return(repo.BeginGetAuthors(cb, extradata));
}
