public Subscription(RandomObject <T> subject, IObserver <T> observer)
{
_subject = subject;
_observer = observer;
}
/// <summary>
/// analyze data object event flow
/// </summary>
public void App(int TimeStamp)
{
Console.WriteLine("Starting observable source...");
using (var source = new RandomObject <Car>(NoSeconds, NoValues, CountMax, NoSegments, TimeStamp))//genereaza o data la fiecare 500 milisecunde
{
Console.WriteLine("Started observable source.");
using (var server = Server.Create("Default"))
{
var host = new ServiceHost(server.CreateManagementService());
host.AddServiceEndpoint(typeof(IManagementService), new WSHttpBinding(SecurityMode.Message), "http://localhost/MyStreamInsightApp");
host.Open();
var myApp = server.CreateApplication("serverApp");
Console.WriteLine("convert source to stream");
var stream = source.ToPointStream(myApp,
e => PointEvent.CreateInsert(DateTime.Now, new Payload <Car> {
Value = e
}),
AdvanceTimeSettings.StrictlyIncreasingStartTime,
"Observable Stream");
//Console.ReadLine()
;
//query that sums of events within 2 second tumbling windows
var thumblingResult = from ob in stream.TumblingWindow(TimeSpan.FromSeconds(2), HoppingWindowOutputPolicy.ClipToWindowEnd)
select new
{
avreageT = ob.Avg(e => e.Value.Speed),
};
//List<double> list;
var query = from ob in stream
where ob.Value.Speed < 50
select ob.Value;
//var query = from cars in stream.SnapshotWindow()
// select new {
// avreage = cars.Avg(e => e.Value.Speed),
// groupId=1
// };
//var query = from ob in stream.HoppingWindow(TimeSpan.FromSeconds(WinSize), TimeSpan.FromSeconds(1))
// select new
// {
// avreage = ob.Avg(e => e.Value.Speed),
// groupId = 1
// };
//var query = from rs in stream
// group rs by rs.Value.RoadSegment into roadSeg
// from ob in roadSeg.HoppingWindow(TimeSpan.FromSeconds(WinSize), TimeSpan.FromSeconds(1))
// select new
// {
// avreage = ob.Avg(e => e.Value.Speed),
// groupId = roadSeg.Key
// };
//var query = from rs in stream
// group rs by rs.Value.RoadSegment into roadSeg
// from ob in roadSeg.SnapshotWindow()
// select new
// {
// avreage = ob.Avg(e => e.Value.Speed),
// groupId = roadSeg.Key
// };
var enumerator = query.ToPointEnumerable().GetEnumerator();
while (enumerator.MoveNext())
{
if (enumerator.Current.EventKind == EventKind.Insert)
{
var s = enumerator.Current.Payload.ToString();
//if (s.Length > 0)
// DB.Write(s);
//Console.WriteLine(s);
DB.Write(TimeStamp, s);
RetrieveDiagnostics rD = new RetrieveDiagnostics();
DiagnosticSettings settings = new DiagnosticSettings(DiagnosticAspect.GenerateErrorReports, DiagnosticLevel.Always);
server.SetDiagnosticSettings(new Uri("cep:/Server"), settings);
rD.FileWrite(server.GetDiagnosticView(new Uri("cep:/Server/EventManager")), WinSize);
rD.FileWrite(server.GetDiagnosticView(new Uri("cep:/Server/Query")), WinSize);
}
}
host.Close();
}
//Count<Car> count = new Count<Car>(50);
//Console.WriteLine("-------------" + count.NoOptimal);
Console.WriteLine("The end");
source.OnCompleted();
}
Console.WriteLine("Stopped observable source.");
//Console.ReadLine();
}