Payload class

Messaging — Traffic Monitor Event — payload

Constructors

Payload({required String subscriptionId, required int seq, required List<MonitorEvent> events, required int dropped, required String expiresAt, Ext? ext})

const

Payload.fromJson(Map<String, dynamic> json)

Read this payload from a decoded JSON object.

factory

Properties

dropped → int

Events that matched the filter but were discarded since the previous batch — rate ceiling exceeded or subscriber not connected.

final

events → List<MonitorEvent>

Events in the order the mediator observed them. May be empty on a heartbeat batch.

final

expiresAt → String

The subscription's current expiry, so the subscriber can renew before it lapses.

final

ext → Ext?

Ecosystem-defined extension members per SPEC.md §4.5.1.

final

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

seq → int

Batch sequence number, starting at 1 and increasing by exactly 1 per batch within a subscription. A gap means batches were lost in transit.

final

subscriptionId → String

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toJson() → Map<String, dynamic>

Serialize to a JSON-encodable map, omitting absent members.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited