QuantConnect.Lean.Engine.DataFeeds.IDataFeedSubscriptionManager Interface Reference

DataFeedSubscriptionManager interface will manage the subscriptions for the Data Feed More...

Inheritance diagram for QuantConnect.Lean.Engine.DataFeeds.IDataFeedSubscriptionManager:

Public Member Functions
bool	RemoveSubscription (SubscriptionDataConfig configuration, Universe universe=null)
	Removes the Subscription, if it exists More...
bool	AddSubscription (SubscriptionRequest request)
	Adds a new Subscription to provide data for the specified security. More...

Properties
SubscriptionCollection	DataFeedSubscriptions [get]
	Gets the data feed subscription collection More...
UniverseSelection	UniverseSelection [get]
	Get the universe selection instance More...

Events
EventHandler< Subscription >	SubscriptionAdded
	Event fired when a new subscription is added More...
EventHandler< Subscription >	SubscriptionRemoved
	Event fired when an existing subscription is removed More...

Detailed Description

DataFeedSubscriptionManager interface will manage the subscriptions for the Data Feed

Definition at line 26 of file IDataFeedSubscriptionManager.cs.

Member Function Documentation

RemoveSubscription()

bool QuantConnect.Lean.Engine.DataFeeds.IDataFeedSubscriptionManager.RemoveSubscription	(	SubscriptionDataConfig	configuration,
		Universe	universe = null
	)

Removes the Subscription, if it exists

Parameters

configuration	The SubscriptionDataConfig of the subscription to remove
universe	Universe requesting to remove Subscription. Default value, null, will remove all universes

Returns

True if the subscription was successfully removed, false otherwise

Implemented in QuantConnect.Lean.Engine.DataFeeds.DataManager.

Here is the caller graph for this function:

AddSubscription()

bool QuantConnect.Lean.Engine.DataFeeds.IDataFeedSubscriptionManager.AddSubscription

(

SubscriptionRequest

request

)

Adds a new Subscription to provide data for the specified security.

Parameters

request

Defines the SubscriptionRequest to be added

Returns

True if the subscription was created and added successfully, false otherwise

Implemented in QuantConnect.Lean.Engine.DataFeeds.DataManager.

Here is the caller graph for this function:

Property Documentation

DataFeedSubscriptions

SubscriptionCollection QuantConnect.Lean.Engine.DataFeeds.IDataFeedSubscriptionManager.DataFeedSubscriptions

get

Gets the data feed subscription collection

Definition at line 41 of file IDataFeedSubscriptionManager.cs.

UniverseSelection

UniverseSelection QuantConnect.Lean.Engine.DataFeeds.IDataFeedSubscriptionManager.UniverseSelection

get

Get the universe selection instance

Definition at line 46 of file IDataFeedSubscriptionManager.cs.

Event Documentation

SubscriptionAdded

EventHandler<Subscription> QuantConnect.Lean.Engine.DataFeeds.IDataFeedSubscriptionManager.SubscriptionAdded

Event fired when a new subscription is added

Definition at line 31 of file IDataFeedSubscriptionManager.cs.

SubscriptionRemoved

EventHandler<Subscription> QuantConnect.Lean.Engine.DataFeeds.IDataFeedSubscriptionManager.SubscriptionRemoved

Event fired when an existing subscription is removed

Definition at line 36 of file IDataFeedSubscriptionManager.cs.

---

The documentation for this interface was generated from the following file:

• Engine/DataFeeds/IDataFeedSubscriptionManager.cs