EchoSrv interface
Used to send events to all the registered backends. This should be accessed via the getEchoSrv() function. Will, by default, flush events to the backends every 10s or when the flush function is triggered.
Signature
export interface EchoSrv
Import
import { EchoSrv } from '@grafana/runtime';
Methods
| Method | Description |
|---|---|
| addBackend(backend) | Add a new echo backend to the list of backends that will receive events. |
| addEvent(event, meta) | Call this to add event that will be sent to the echo backends upon next flush. |
| flush() | Call this to flush current events to the echo backends. |
addBackend method
Add a new echo backend to the list of backends that will receive events.
Signature
addBackend(backend: EchoBackend): void;
Parameters
| Parameter | Type | Description |
|---|---|---|
| backend | EchoBackend |
Returns:
void
addEvent method
Call this to add event that will be sent to the echo backends upon next flush.
Signature
addEvent<T extends EchoEvent>(event: Omit<T, 'meta'>, meta?: {}): void;
Parameters
| Parameter | Type | Description |
|---|---|---|
| event | Omit<T, ‘meta’> |
Object containing event information. |
| meta | {} |
Object that will extend/override the default meta object. |
Returns:
void
flush method
Call this to flush current events to the echo backends.
Signature
flush(): void;
Returns:
void
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