IoStreamPort class abstract
Abstract port for streaming subscriptions to I/O device topics.
Provides subscription lifecycle management: subscribe, unsubscribe, list active subscriptions, and query subscription status.
- Implementers
Constructors
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
getStatus(
String subscriptionId) → Future< SubscriptionStatus?> - Get subscription status, or null if the subscription does not exist.
-
listSubscriptions(
{String? consumerId, String? deviceId}) → Future< List< SubscriptionHandle> > - List active subscriptions, optionally filtered by consumer or device.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
subscribe(
TopicSpec spec, {required String consumerId}) → Future< IoStreamSubscription> - Create a subscription and return handle + stream.
-
toString(
) → String -
A string representation of this object.
inherited
-
unsubscribe(
String subscriptionId) → Future< void> - Unsubscribe from a topic.
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited