EventsManager

@hyperledger/identus-sdk v8.1.3

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@hyperledger/identus-sdk / overview / EventsManager

Class: EventsManager

Defined in: packages/lib/sdk/src/edge-agent/Agent.MessageEvents.ts:11

An extension for the Edge agent that gives it capability of creating listeners for specific events and also emitting or notifying any listener available with the new event.

EventsManager

Constructors

Constructor

new EventsManager(): EventsManager

Returns

EventsManager

Methods

addListener()

addListener<T>(eventName: T, callback: EventCallback<T>): number

Defined in: packages/lib/sdk/src/edge-agent/Agent.MessageEvents.ts:23

Just adds a new event listener by passing the event name and the callback function we want to be notified at

Type Parameters

Type Parameter
T extends ListenerKey

Parameters

Parameter	Type	Description
eventName	T	-
callback	EventCallback<T>	-

Returns

number

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emit()

emit(eventName: ListenerKey, data: any): void

Defined in: packages/lib/sdk/src/edge-agent/Agent.MessageEvents.ts:56

Emit some data to all the listeners of a specific event

Parameters

Parameter	Type	Description
eventName	ListenerKey	-
data	any	-

Returns

void

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removeListener()

removeListener<T>(eventName: T, callback: EventCallback<T>): void

Defined in: packages/lib/sdk/src/edge-agent/Agent.MessageEvents.ts:41

Remove an existing event listener, used when the Agent is stopping to make sure no memory leaks are produced

Type Parameters

Type Parameter
T extends ListenerKey

Parameters

Parameter	Type	Description
eventName	T	-
callback	EventCallback<T>	-

Returns

void