PubSubMessageListener class
Receives a topic's messages; pass it to PubSub.subscribe and the same object to PubSub.unsubscribe. Every callback is optional.
Constructors
-
PubSubMessageListener({void onMessageReceived(PubSubMessage message)?, void onOldMessagesReceived(List<
PubSubMessage> messages, PubSubHistoryInfo info)?, void onBatchReceived(List<PubSubMessage> messages)?, void onMessageDrop(PubSubMessageDropInfo info)?}) -
Builds a listener from any of the four callbacks.
const
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
-
onBatchReceived
→ void Function(List<
PubSubMessage> messages)? -
Live messages delivered together.
final
- onMessageDrop → void Function(PubSubMessageDropInfo info)?
-
Live messages dropped under RealtimeOverflow.DROP.
final
- onMessageReceived → void Function(PubSubMessage message)?
-
A live message.
final
-
onOldMessagesReceived
→ void Function(List<
PubSubMessage> messages, PubSubHistoryInfo info)? -
Stored messages, delivered after subscribing.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited