Class DataUpdater

Abstract base class for data updater. Data updaters are instantiated as required by the data source, and there is no need for application developers to interact with them directly.

Inheritance
object
DataUpdater
Inherited Members
object.Equals(object)
object.Equals(object, object)
object.GetHashCode()
object.GetType()
object.MemberwiseClone()
object.ReferenceEquals(object, object)
object.ToString()
Namespace: TuringTrader.Simulator
Assembly: TuringTrader.Simulator.dll
Syntax
public abstract class DataUpdater

Constructors

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DataUpdater(SimulatorCore, Dictionary<DataSourceParam, string>)

Create and initialize generic data updater object.

Declaration
protected DataUpdater(SimulatorCore simulator, Dictionary<DataSourceParam, string> info)
Parameters
Type Name Description
SimulatorCore simulator

parent simulator
System.Collections.Generic.Dictionary<TKey, TValue><DataSourceParam, string> info

info dictionary

Fields

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Info

Info dictionary, holding data source description.

Declaration
public readonly Dictionary<DataSourceParam, string> Info
Field Value
Type Description
System.Collections.Generic.Dictionary<TKey, TValue><DataSourceParam, string>
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Simulator

Parent simulator object.

Declaration
public readonly SimulatorCore Simulator
Field Value
Type Description
SimulatorCore

Properties

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Name

Name of data updater.

Declaration
public abstract string Name { get; }
Property Value
Type Description
string

Methods

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New(SimulatorCore, Dictionary<DataSourceParam, string>)

Factory method to create new data updater object, based on info dictionary.

Declaration
public static DataUpdater New(SimulatorCore simulator, Dictionary<DataSourceParam, string> info)
Parameters
Type Name Description
SimulatorCore simulator

parent simulator
System.Collections.Generic.Dictionary<TKey, TValue><DataSourceParam, string> info

info dictionary
Returns
Type Description
DataUpdater

new data updater object
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UpdateData(DateTime, DateTime)

Run data update.

Declaration
public abstract IEnumerable<Bar> UpdateData(DateTime startTime, DateTime endTime)
Parameters
Type Name Description
System.DateTime startTime

start of update range
System.DateTime endTime

end of update range
Returns
Type Description
System.Collections.Generic.IEnumerable<T><Bar>

enumerable with updated bars