public static async Task Main(string[] args)
{
var ksqlDbUrl = @"http:\\localhost:8088";
var httpClientFactory = new HttpClientFactory(new Uri(ksqlDbUrl));
var restApiProvider = new KSqlDbRestApiProvider(httpClientFactory);
var moviesProvider = new MoviesProvider(restApiProvider);
await moviesProvider.CreateTablesAsync();
var contextOptions = CreateQueryStreamOptions(ksqlDbUrl);
var context = new KSqlDBContext(contextOptions);
var subscription = context.CreateQuery <Movie>()
.Where(p => p.Title != "E.T.")
.Where(c => K.Functions.Like(c.Title.ToLower(), "%hard%".ToLower()) || c.Id == 1)
.Where(p => p.RowTime >= 1510923225000) //AND RowTime >= 1510923225000
.Select(l => new { Id2 = l.Id, l.Title, l.Release_Year, l.RowTime })
.Take(2) // LIMIT 2
.ToObservable() // client side processing starts here lazily after subscription. Switches to Rx.NET
.ObserveOn(TaskPoolScheduler.Default)
.Subscribe(onNext: movie =>
{
Console.WriteLine($"{nameof(Movie)}: {movie.Id2} - {movie.Title} - {movie.RowTime}");
Console.WriteLine();
}, onError: error => { Console.WriteLine($"Exception: {error.Message}"); }, onCompleted: () => Console.WriteLine("Completed"));
await moviesProvider.InsertMovieAsync(MoviesProvider.Movie1);
await moviesProvider.InsertMovieAsync(MoviesProvider.Movie2);
await moviesProvider.InsertLeadAsync(MoviesProvider.LeadActor1);
try
{
await new PullQueryExample().ExecuteAsync();
}
catch (Exception e)
{
Console.WriteLine(e);
}
Console.WriteLine("Press any key to stop the subscription");
Console.ReadKey();
await context.DisposeAsync();
using (subscription)
{
}
Console.WriteLine("Subscription completed");
}
public override void TestCleanup()
{
Context.DisposeAsync().GetAwaiter().GetResult();
base.TestCleanup();
}
