public SymTask(bool isUnique)
{
pKey = null;
pTaskID = 0;
phase = PHASE_BLOCK;
pIsUnique = isUnique;
pMessageInput = null;
pSynchronized = false;
pForeignTaskID = 0;
handlers = new ConcurrentDictionary<Type, TaskHandlerDescriptor>();
}
/// <summary>
/// Binds the query template to the specified adapters.
/// </summary>
/// <param name="inputAdapter">Input adapter metadata object to bind to all query template inputs.</param>
/// <param name="outputAdapter">Input adapter metadata object to bind to the query template output.</param>
/// <param name="queryTemplate">Query template to bind to adapters.</param>
/// <returns>The query binder.</returns>
private static QueryBinder BindQuery(InputAdapter inputAdapter, OutputAdapter outputAdapter, QueryTemplate queryTemplate)
{
// Create a query binder, wrapping the query template.
QueryBinder queryBinder = new QueryBinder(queryTemplate);
// Define the runtime configuration for both input adapters.
var sensorInputConf = new TextFileReaderConfig
{
InputFileName = @"..\..\..\TrafficSensors.csv",
Delimiter = ',',
CtiFrequency = 9,
CultureName = "en-US",
InputFieldOrders = new Collection<string>() { "SensorId", "AverageSpeed", "VehicularCount" }
};
var locationInputConf = new TextFileReaderConfig
{
InputFileName = @"..\..\..\TrafficSensorLocations.csv",
Delimiter = ',',
CtiFrequency = 100,
CultureName = "en-US",
InputFieldOrders = new Collection<string>() { "SensorId", "LocationId" }
};
// Define the runtime configuration for the output adapter.
// Specify an empty file name, which will just dump the output
// events on the console. Also pass an event handle name to
// synchronize the shutdown.
var outputConf = new TextFileWriterConfig
{
OutputFileName = string.Empty,
Delimiter = '\t'
};
// Bind input adapters to query template's input streams,
// applying runtime configuration.
// In this example, the given input file for sensor input
// contains interval events (each sensor reading has a start
// and end time), while the location input is represented by
// edge events (for each event, the end time is not known in
// advance).
queryBinder.BindProducer("sensorInput", inputAdapter, sensorInputConf, EventShape.Interval);
queryBinder.BindProducer("locationInput", inputAdapter, locationInputConf, EventShape.Edge);
// Bind output adapter to query, applying runtime
// configuration.
queryBinder.AddConsumer<TextFileWriterConfig>("queryresult", outputAdapter, outputConf, EventShape.Point, StreamEventOrder.FullyOrdered);
return queryBinder;
}
/// <summary>
/// Example of using a user-defined filter
/// </summary>
/// <param name="application"></param>
/// <param name="inputConfig"></param>
/// <param name="outputConfig"></param>
/// <param name="inputAdapter"></param>
/// <param name="outputAdapter"></param>
/// <returns></returns>
private static Query createUserFilterExampleQuery(Application application, StockQuoteInputConfig inputConfig, StockQuoteOutputConfig outputConfig, InputAdapter inputAdapter, OutputAdapter outputAdapter)
{
var input = CepStream<StockQuote>.Create("input");
var filteredCepStream = from e in input
where UserDefinedFilter(e.FieldID)
select e;
var queryTemplate = application.CreateQueryTemplate("userFilterExampleTemplate", "Description...", filteredCepStream);
var queryBinder = new QueryBinder(queryTemplate);
queryBinder.BindProducer<StockQuote>("input", inputAdapter, inputConfig, EventShape.Point);
queryBinder.AddConsumer<StockQuote>("output", outputAdapter, outputConfig, EventShape.Point, StreamEventOrder.ChainOrdered);
var query = application.CreateQuery("userFilterExampleQuery", "Description...", queryBinder);
return query;
}
/// <summary>
/// Example of using a user-defined aggregate
/// </summary>
/// <param name="application"></param>
/// <param name="inputConfig"></param>
/// <param name="outputConfig"></param>
/// <param name="inputAdapter"></param>
/// <param name="outputAdapter"></param>
/// <returns></returns>
private static Query createStandardDeviationExampleQuery(Application application, StockQuoteInputConfig inputConfig, StockQuoteOutputConfig outputConfig, InputAdapter inputAdapter, OutputAdapter outputAdapter)
{
var input = CepStream<StockQuote>.Create("input");
var stddevCepStream = from w in input.Where(e => e.FieldID == "Close")
.HoppingWindow(TimeSpan.FromDays(7), TimeSpan.FromDays(1), HoppingWindowOutputPolicy.ClipToWindowEnd)
select new StockQuote()
{
StockID = "ERIC",
FieldID = "7-day Stddev",
Value = w.StandardDeviation()
};
var queryTemplate = application.CreateQueryTemplate("standardDeviationExampleTemplate", "Description...", stddevCepStream);
var queryBinder = new QueryBinder(queryTemplate);
queryBinder.BindProducer<StockQuote>("input", inputAdapter, inputConfig, EventShape.Point);
queryBinder.AddConsumer<StockQuote>("output", outputAdapter, outputConfig, EventShape.Point, StreamEventOrder.ChainOrdered);
var query = application.CreateQuery("standardDeviationExampleQuery", "Description...", queryBinder);
return query;
}
/// <summary>
/// Example of a grouping and calculation of averages for the groups
/// </summary>
/// <param name="application"></param>
/// <param name="inputConfig"></param>
/// <param name="outputConfig"></param>
/// <param name="inputAdapter"></param>
/// <param name="outputAdapter"></param>
/// <returns></returns>
private static Query createGroupApplyExampleQuery(Application application, StockQuoteInputConfig inputConfig, StockQuoteOutputConfig outputConfig, InputAdapter inputAdapter, OutputAdapter outputAdapter)
{
var input = CepStream<StockQuote>.Create("input");
var ericUSDGroupCepStream = from e in input
group e by e.FieldID into eGroup
from w in eGroup.HoppingWindow(TimeSpan.FromDays(7), TimeSpan.FromDays(1), HoppingWindowOutputPolicy.ClipToWindowEnd)
select new StockQuote()
{
StockID = "ERIC 7-day avg",
FieldID = eGroup.Key,
Value = w.Avg(e => e.Value)
};
var queryTemplate = application.CreateQueryTemplate("groupApplyExampleTemplate", "Description...", ericUSDGroupCepStream);
var queryBinder = new QueryBinder(queryTemplate);
queryBinder.BindProducer<StockQuote>("input", inputAdapter, inputConfig, EventShape.Point);
queryBinder.AddConsumer<StockQuote>("output", outputAdapter, outputConfig, EventShape.Point, StreamEventOrder.ChainOrdered);
var query = application.CreateQuery("groupApplyExampleQuery", "Description...", queryBinder);
return query;
}
/// <summary>
/// Compare USD and SEK stock prices using given exchange rate. Example of a cross join.
/// </summary>
/// <param name="application"></param>
/// <param name="ericUSDConfig"></param>
/// <param name="ericSEKConfig"></param>
/// <param name="USDSEKConfig"></param>
/// <param name="outputConfig"></param>
/// <param name="inputAdapter"></param>
/// <param name="outputAdapter"></param>
/// <returns></returns>
private static Query createCrossJoinExampleQuery(Application application, StockQuoteInputConfig ericUSDConfig, StockQuoteInputConfig ericSEKConfig, StockQuoteInputConfig USDSEKConfig, StockQuoteOutputConfig outputConfig, InputAdapter inputAdapter, OutputAdapter outputAdapter)
{
var ericUSDStream = CepStream<StockQuote>.Create("ericUSDStream");
var ericSEKStream = CepStream<StockQuote>.Create("ericSEKStream");
var USDSEKStream = CepStream<StockQuote>.Create("USDSEKStream");
var ericRecalcCepStream = from eUSD in ericUSDStream
from eXch in USDSEKStream // Cross join
where eUSD.FieldID == "Close"
select new StockQuote()
{
StockID = "ERIC-Recalc",
FieldID = "Close",
Value = eUSD.Value * eXch.Value // Convert ERIC USD quote to SEK
};
var ericCompareCepStream = from eRecalc in ericRecalcCepStream
from eSEK in ericSEKStream
where eSEK.FieldID == "Close"
select new StockQuote()
{
StockID = "ERIC-Compare",
FieldID = "Diff",
Value = eSEK.Value - eRecalc.Value
};
var queryTemplate = application.CreateQueryTemplate("ericCompareTemplate", "Description...", ericCompareCepStream);
var queryBinder = new QueryBinder(queryTemplate);
queryBinder.BindProducer<StockQuote>("ericUSDStream", inputAdapter, ericUSDConfig, EventShape.Point);
queryBinder.BindProducer<StockQuote>("ericSEKStream", inputAdapter, ericSEKConfig, EventShape.Point);
queryBinder.BindProducer<StockQuote>("USDSEKStream", inputAdapter, USDSEKConfig, EventShape.Point);
queryBinder.AddConsumer<StockQuote>("output", outputAdapter, outputConfig, EventShape.Point, StreamEventOrder.ChainOrdered);
var query = application.CreateQuery("ericCompareQuery", "Description...", queryBinder);
return query;
}
/// <summary>
/// Example of detecting when stock price falls more than 10% in 7 days
/// </summary>
/// <param name="application"></param>
/// <param name="inputConfig"></param>
/// <param name="outputConfig"></param>
/// <param name="inputAdapter"></param>
/// <param name="outputAdapter"></param>
/// <returns></returns>
private static Query createBigLooserExampleQuery(Application application, StockQuoteInputConfig inputConfig, StockQuoteOutputConfig outputConfig, InputAdapter inputAdapter, OutputAdapter outputAdapter)
{
var input = CepStream<StockQuote>.Create("input");
var bigLooserCepStream = (from e1 in input
from e2 in input.ShiftEventTime(e => e.StartTime.AddDays(7))
where e1.FieldID == "Close" && e2.FieldID == "Close"
select new StockQuote()
{
StockID = "ERIC > 10% drop",
FieldID = "Close",
Value = (e1.Value - e2.Value) / e2.Value * 100
}).Where(e => e.Value < -10);
var queryTemplate = application.CreateQueryTemplate("bigLooserExampleTemplate", "Description...", bigLooserCepStream);
var queryBinder = new QueryBinder(queryTemplate);
queryBinder.BindProducer<StockQuote>("input", inputAdapter, inputConfig, EventShape.Point);
queryBinder.AddConsumer<StockQuote>("output", outputAdapter, outputConfig, EventShape.Point, StreamEventOrder.ChainOrdered);
var query = application.CreateQuery("bigLooserExampleQuery", "Description...", queryBinder);
return query;
}
void Awake()
{
Instance = this;
}
public void ConvertRouteAdapter_PassedWrongFormatInput_ShouldReturnNull(string routeStr)
{
var result = InputAdapter.ConvertRouteAdapter(routeStr);
Assert.That(result, Is.Null);
}
public void ConvertAircraftAdapter_PassedWrongFormatInput_ShouldReturnNull(string aircraftStr)
{
var result = InputAdapter.ConvertAircraftAdapter(aircraftStr);
Assert.That(result, Is.Null);
}
public void ConvertPassengerAdapter_PassedWrongFormatInput_ShouldReturnNull(string passengerStr)
{
var result = InputAdapter.ConvertPassengerAdapter(passengerStr);
Assert.That(result, Is.Null);
}