LeanEngineSystemHandlers

QuantConnect.Lean.Engine.LeanEngineSystemHandlers

LeanEngineSystemHandlers(
    job_queue: IJobQueueHandler,
    api: IApi,
    notify: IMessagingHandler,
    lean_manager: ILeanManager,
)

Bases: Object, IDisposable

Provides a container for the system level handlers

Initializes a new instance of the LeanEngineSystemHandlers class with the specified handles

Parameters:

Name	Type	Description	Default
`job_queue`	`IJobQueueHandler`	The job queue used to acquire algorithm jobs	required
`api`	`IApi`	The api instance used for communicating limits and status	required
`notify`	`IMessagingHandler`	The messaging handler user for passing messages from the algorithm to listeners	required
`lean_manager`	`ILeanManager`		required

api

api: IApi

Gets the api instance used for communicating algorithm limits, status, and storing of log data

notify

notify: IMessagingHandler

Gets the messaging handler instance used for communicating various packets to listeners, including debug/log messages, email/sms/web messages, as well as results and run time errors

job_queue

job_queue: IJobQueueHandler

Gets the job queue responsible for acquiring and acknowledging an algorithm job

lean_manager

lean_manager: ILeanManager

Gets the ILeanManager implementation using to enhance the hosting environment

dispose

dispose() -> None

Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

from_configuration

from_configuration(
    composer: Composer,
) -> LeanEngineSystemHandlers

Creates a new instance of the LeanEngineSystemHandlers class from the specified composer using type names from configuration

Parameters:

Name	Type	Description	Default
`composer`	`Composer`	The composer instance to obtain implementations from	required

Returns:

Type	Description
`LeanEngineSystemHandlers`	A fully hydrates LeanEngineSystemHandlers instance.

initialize

initialize() -> None

Initializes the Api, Messaging, and JobQueue components