RealtimeNotification

typedef RealtimeNotification = Map<String, dynamic>

A FHIR SubscriptionStatus event notification received over a WebSocket.

resources holds the changed resources sent with the notification, in the order the server sent them.

RealtimeNotificationHandler

typedef RealtimeNotificationHandler = void Function(Map<String, dynamic>)

Receives each event notification for a realtime subscription.

class RealtimeResource

Creates FHIR subscriptions and receives matching resource updates.

RealtimeResource(
  HttpClient _http,
  FhirResource _fhir,
  String _baseUrl,
  UserSession _session,
)

Built by the client; use ovok.realtime instead.

Parameter	Type	Kind
`_http`	`HttpClient`	positional
`_fhir`	`FhirResource`	positional
`_baseUrl`	`String`	positional
`_session`	`UserSession`	positional

Future<RealtimeUnsubscribe> subscribe(String criteria, RealtimeNotificationHandler handler)

Subscribes to resources matching a FHIR search criteria.

The returned function closes the WebSocket and deletes the Subscription. Throws OvokValidationException when criteria is blank.

Parameter	Type	Kind	Default
`criteria`	`String`	positional
`handler`	`RealtimeNotificationHandler`	positional

Returns Future<Future<void> Function()>.

typedef RealtimeUnsubscribe = Future<void> Function()

Stops a realtime subscription and removes its FHIR Subscription resource.