public CsvInputAdapter(CsvInputConfig configInfo, CepEventType eventType, TInputAdapter inputAdapter)
{
this.inputAdapter = inputAdapter;
this.config = configInfo;
this.fileStreamReader = new FileStream(configInfo.InputFileName, FileMode.Open, FileAccess.Read, FileShare.None, this.config.BufferSize, true);
this.buffer = new byte[this.config.BufferSize];
this.bindTimeEventType = eventType;
this.mapOrdinalsFromInputToCepEvent = CsvCommon.MapPayloadToFieldsByOrdinal(this.config.Fields, this.bindTimeEventType);
this.readyToEnqueue = new ManualResetEvent(true);
}
internal static void Main()
{
using (var server = Server.Create("Default"))
{
// If you want to publish this server, or connect to an already existing server,
// please see the product documentation "Publishing and Connecting to a StreamInsight Server"
// to find out how to replace, or add to the above server creation code. You must publish
// the server for the Event Flow debugger to be able to connect to the server.
var application = server.CreateApplication("TutorialApp");
// Define device configuration
var inputConfig = new CsvInputConfig
{
InputFileName = @"..\..\..\TollInput.txt",
Delimiter = new char[] { ',' },
BufferSize = 4096,
CtiFrequency = 1,
CultureName = "en-US",
Fields = new List<string>() { "TollId", "LicensePlate", "State", "Make", "Model", "VehicleType", "VehicleWeight", "Toll", "Tag" },
NonPayloadFieldCount = 2,
StartTimePos = 1,
EndTimePos = 2
};
var outputConfigForPassThroughQuery = new CsvOutputConfig
{
// The adapter recognizes empty filename as a write to console
OutputFileName = string.Empty,
Delimiter = new string[] { "\t" },
CultureName = "en-US",
Fields = new List<string>() { "TollId", "LicensePlate", "State", "Make", "Model", "VehicleType", "VehicleWeight", "Toll", "Tag" }
};
var outputConfigForCountQuery = new CsvOutputConfig
{
OutputFileName = string.Empty,
Delimiter = new string[] { "\t" },
CultureName = "en-US",
Fields = new List<string>() { "Count" }
};
// Define console trace listener
TraceListener tracer = new ConsoleTraceListener();
// set up advance time settings to enqueue CTIs - to deliver output in a timely fashion
var advanceTimeGenerationSettings = new AdvanceTimeGenerationSettings(inputConfig.CtiFrequency, TimeSpan.Zero, true);
var advanceTimeSettings = new AdvanceTimeSettings(advanceTimeGenerationSettings, null, AdvanceTimePolicy.Adjust);
// Define input stream object, mapped to stream names
// Instantiate an adapter from the input factory class
var inputStream = CepStream<TollReading>.Create(
"TollStream",
typeof(CsvInputFactory),
inputConfig,
EventShape.Interval,
advanceTimeSettings);
var passthroughQuery = from e in inputStream select e;
var countQuery = from w in inputStream.TumblingWindow(TimeSpan.FromMinutes(3), HoppingWindowOutputPolicy.ClipToWindowEnd)
select new TollCount { Count = w.Count() };
// Create a runnable query by binding the query template to the
// input stream of interval events, and to an output stream of
// fully ordered point events (through an output adapter instantiated
// from the output factory class)
Query query = countQuery.ToQuery(
application,
"HelloTollTutorial",
"Hello Toll Query",
typeof(CsvOutputFactory),
outputConfigForCountQuery,
EventShape.Interval,
StreamEventOrder.FullyOrdered);
query.Start();
Console.WriteLine("*** Hit Return to see Query Diagnostics after this run ***");
Console.WriteLine();
Console.ReadLine();
// Retrieve diagnostic information from the CEP server about the query.
// See the section "Connecting to and Publishing a Server" in the StreamInsight MSDN documentation on
// how to make the debugger client connect to the server and retrieve these diagnostics
Console.WriteLine(string.Empty);
RetrieveDiagnostics(server.GetDiagnosticView(new Uri("cep:/Server/EventManager")), tracer);
RetrieveDiagnostics(server.GetDiagnosticView(new Uri("cep:/Server/PlanManager")), tracer);
RetrieveDiagnostics(server.GetDiagnosticView(new Uri("cep:/Server/Application/TutorialApp/Query/HelloTollTutorial")), tracer);
DiagnosticSettings settings = new DiagnosticSettings(DiagnosticAspect.GenerateErrorReports, DiagnosticLevel.Always);
server.SetDiagnosticSettings(new Uri("cep:/Server"), settings);
tracer.WriteLine("Global Server Diagnostics");
RetrieveDiagnostics(server.GetDiagnosticView(new Uri("cep:/Server/EventManager")), tracer);
RetrieveDiagnostics(server.GetDiagnosticView(new Uri("cep:/Server/PlanManager")), tracer);
RetrieveDiagnostics(server.GetDiagnosticView(new Uri("cep:/Server/Query")), tracer);
tracer.WriteLine(string.Empty);
tracer.WriteLine("Summary Query Diagnostics for");
RetrieveDiagnostics(server.GetDiagnosticView(new Uri("cep:/Server/Application/TutorialApp/Query/HelloTollTutorial")), tracer);
tracer.WriteLine(string.Empty);
query.Stop();
Console.WriteLine("*** Query Completed *** Hit Return to Exit");
Console.WriteLine();
Console.ReadLine();
}
return;
}
public CsvInputInterval(CsvInputConfig configInfo, CepEventType eventType)
{
this.inputAdapter = new CsvInputAdapter <CsvInputInterval, IntervalEvent>(configInfo, eventType, this);
}
public CsvInputPoint(CsvInputConfig configInfo, CepEventType eventType)
{
this.inputAdapter = new CsvInputAdapter <CsvInputPoint, PointEvent>(configInfo, eventType, this);
}
