MetricsListener class abstract interface

Represents a type used to listen to metrics emitted from the system.

Properties

hashCode → int
The hash code for this object.
no setterinherited
name → String
The name of the listener. This is used to identify the listener in the rules configuration.
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

getMeasurementHandlers() → MeasurementHandlers
Called once to get the MeasurementHandlers that will be used to process measurements.
initialize(ObservableInstrumentsSource source) → void
Called once by the runtime to provide a ObservableInstrumentsSource used to pull for fresh metrics data.
instrumentPublished(Instrument instrument) → (bool, Object?)
Called when a new instrument is created and enabled by a matching rule.
measurementsCompleted(Instrument instrument, Object? userState) → void
Called when a instrument is disabled by the producer or a rules change.
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