/// <summary>
/// Reads the contents of the TollInput.txt data file to an IEnumerable source.
/// </summary>
/// <returns>Toll data.</returns>
public static IEnumerable <IntervalEvent <TollReading> > CreateTollDataSource()
{
foreach (string line in File.ReadLines(@"Data\TollInput.txt"))
{
string[] fields = line.Split(',');
yield return(IntervalEvent.CreateInsert(
DateTime.Parse(fields[0], CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal),
DateTime.Parse(fields[1], CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal),
new TollReading
{
TollId = fields[2],
LicensePlate = fields[3],
State = fields[4],
Make = fields[5],
Model = fields[6],
VehicleType = int.Parse(fields[7], CultureInfo.InvariantCulture),
VehicleWeight = string.IsNullOrWhiteSpace(fields[8])
? default(float)
: float.Parse(fields[8], CultureInfo.InvariantCulture),
Toll = float.Parse(fields[9], CultureInfo.InvariantCulture),
Tag = fields[10],
}));
}
}
public IntervalEvent <TPayloadType> GetIntervalEvent()
{
if (this.EventKind == EventKind.Insert)
{
return(IntervalEvent <TPayloadType> .CreateInsert(this.Start, this.End, Payload));
}
return(IntervalEvent <TPayloadType> .CreateCti(Start));
}
protected override void PopulateEvent(out IntervalEvent <T> typedEvent)
{
typedEvent = IntervalEvent.CreateInsert(DateTime.Now,
DateTime.Now +
TimeSpan.FromMilliseconds(
Math.Max(
EventInterval -
(this.Rnd.Next(EventIntervalDiff * 2) - EventIntervalDiff), 1)),
new T());
}
/// <summary>
/// Defines a stream of TollReadings used throughout examples. A simulated data array
/// is wrapped into the Enumerable source which is then converted to a stream.
/// </summary>
/// <param name="app">StreamInsight application object.</param>
/// <returns>Returns stream of simulated TollReadings used in examples.</returns>
static IQStreamable <TollReading> GetTollReadings(this Application app)
{
return(app.DefineEnumerable(() =>
// Simulated readings data defined as an array.
// IntervalEvent objects are constructed directly to avoid copying.
new[] {
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 01, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 03, 0, DateTimeKind.Utc),
new TollReading {
TollId = "1", LicensePlate = "JNB 7001", State = "NY", Make = "Honda", Model = "CRV", VehicleType = 1, VehicleWeight = 0, Toll = 7.0f, Tag = ""
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 02, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 03, 0, DateTimeKind.Utc),
new TollReading {
TollId = "1", LicensePlate = "YXZ 1001", State = "NY", Make = "Toyota", Model = "Camry", VehicleType = 1, VehicleWeight = 0, Toll = 4.0f, Tag = "123456789"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 02, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 04, 0, DateTimeKind.Utc),
new TollReading {
TollId = "3", LicensePlate = "ABC 1004", State = "CT", Make = "Ford", Model = "Taurus", VehicleType = 1, VehicleWeight = 0, Toll = 5.0f, Tag = "456789123"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 03, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 07, 0, DateTimeKind.Utc),
new TollReading {
TollId = "2", LicensePlate = "XYZ 1003", State = "CT", Make = "Toyota", Model = "Corolla", VehicleType = 1, VehicleWeight = 0, Toll = 4.0f, Tag = ""
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 03, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 08, 0, DateTimeKind.Utc),
new TollReading {
TollId = "1", LicensePlate = "BNJ 1007", State = "NY", Make = "Honda", Model = "CRV", VehicleType = 1, VehicleWeight = 0, Toll = 5.0f, Tag = "789123456"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 05, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 07, 0, DateTimeKind.Utc),
new TollReading {
TollId = "2", LicensePlate = "CDE 1007", State = "NJ", Make = "Toyota", Model = "4x4", VehicleType = 1, VehicleWeight = 0, Toll = 6.0f, Tag = "321987654"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 06, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 09, 0, DateTimeKind.Utc),
new TollReading {
TollId = "2", LicensePlate = "BAC 1005", State = "NY", Make = "Toyota", Model = "Camry", VehicleType = 1, VehicleWeight = 0, Toll = 5.5f, Tag = "567891234"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 07, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 10, 0, DateTimeKind.Utc),
new TollReading {
TollId = "1", LicensePlate = "ZYX 1002", State = "NY", Make = "Honda", Model = "Accord", VehicleType = 1, VehicleWeight = 0, Toll = 6.0f, Tag = "234567891"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 07, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 10, 0, DateTimeKind.Utc),
new TollReading {
TollId = "2", LicensePlate = "ZXY 1001", State = "PA", Make = "Toyota", Model = "Camry", VehicleType = 1, VehicleWeight = 0, Toll = 4.0f, Tag = "987654321"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 08, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 10, 0, DateTimeKind.Utc),
new TollReading {
TollId = "3", LicensePlate = "CBA 1008", State = "PA", Make = "Ford", Model = "Mustang", VehicleType = 1, VehicleWeight = 0, Toll = 4.5f, Tag = "891234567"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 09, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 11, 0, DateTimeKind.Utc),
new TollReading {
TollId = "2", LicensePlate = "DCB 1004", State = "NY", Make = "Volvo", Model = "S80", VehicleType = 1, VehicleWeight = 0, Toll = 5.5f, Tag = "654321987"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 09, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 16, 0, DateTimeKind.Utc),
new TollReading {
TollId = "2", LicensePlate = "CDB 1003", State = "PA", Make = "Volvo", Model = "C30", VehicleType = 1, VehicleWeight = 0, Toll = 5.0f, Tag = "765432198"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 09, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 10, 0, DateTimeKind.Utc),
new TollReading {
TollId = "3", LicensePlate = "YZX 1009", State = "NY", Make = "Volvo", Model = "V70", VehicleType = 1, VehicleWeight = 0, Toll = 4.5f, Tag = "912345678"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 10, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 12, 0, DateTimeKind.Utc),
new TollReading {
TollId = "3", LicensePlate = "BCD 1002", State = "NY", Make = "Toyota", Model = "Rav4", VehicleType = 1, VehicleWeight = 0, Toll = 5.5f, Tag = "876543219"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 10, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 14, 0, DateTimeKind.Utc),
new TollReading {
TollId = "1", LicensePlate = "CBD 1005", State = "NY", Make = "Toyota", Model = "Camry", VehicleType = 1, VehicleWeight = 0, Toll = 4.0f, Tag = "543219876"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 11, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 13, 0, DateTimeKind.Utc),
new TollReading {
TollId = "1", LicensePlate = "NJB 1006", State = "CT", Make = "Ford", Model = "Focus", VehicleType = 1, VehicleWeight = 0, Toll = 4.5f, Tag = "678912345"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 12, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 15, 0, DateTimeKind.Utc),
new TollReading {
TollId = "3", LicensePlate = "PAC 1209", State = "NJ", Make = "Chevy", Model = "Malibu", VehicleType = 1, VehicleWeight = 0, Toll = 6.0f, Tag = "219876543"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 15, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 22, 0, DateTimeKind.Utc),
new TollReading {
TollId = "2", LicensePlate = "BAC 1005", State = "PA", Make = "Peterbilt", Model = "389", VehicleType = 2, VehicleWeight = 2.675f, Toll = 15.5f, Tag = "567891234"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 15, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 18, 0, DateTimeKind.Utc),
new TollReading {
TollId = "3", LicensePlate = "EDC 3109", State = "NJ", Make = "Ford", Model = "Focus", VehicleType = 1, VehicleWeight = 0, Toll = 4.0f, Tag = "198765432"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 18, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 20, 0, DateTimeKind.Utc),
new TollReading {
TollId = "2", LicensePlate = "DEC 1008", State = "NY", Make = "Toyota", Model = "Corolla", VehicleType = 1, VehicleWeight = 0, Toll = 4.0f, Tag = ""
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 20, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 22, 0, DateTimeKind.Utc),
new TollReading {
TollId = "1", LicensePlate = "DBC 1006", State = "NY", Make = "Honda", Model = "Civic", VehicleType = 1, VehicleWeight = 0, Toll = 5.0f, Tag = "432198765"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 20, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 23, 0, DateTimeKind.Utc),
new TollReading {
TollId = "2", LicensePlate = "APC 2019", State = "NJ", Make = "Honda", Model = "Civic", VehicleType = 1, VehicleWeight = 0, Toll = 4.0f, Tag = "345678912"
}),
IntervalEvent.CreateInsert(new DateTime(2009, 06, 25, 12, 22, 0, DateTimeKind.Utc), new DateTime(2009, 06, 25, 12, 25, 0, DateTimeKind.Utc),
new TollReading {
TollId = "1", LicensePlate = "EDC 1019", State = "NJ", Make = "Honda", Model = "Accord", VehicleType = 1, VehicleWeight = 0, Toll = 4.0f, Tag = ""
}),
})
// Predefined AdvanceTimeSettings.IncreasingStartTime is used to insert CTIs after each event, which occurs later than the previous one.
.ToIntervalStreamable(e => e, AdvanceTimeSettings.IncreasingStartTime));
}
