InMemoryMetricExporter class

Metric exporter that buffers exported metric snapshots in memory.

Use with OnDemandMetricReader so tests drive collection explicitly — tests rarely want a timer fighting their expect assertions.

Implemented types

• MetricExporter

Constructors

InMemoryMetricExporter()

Creates an exporter.

Properties

hashCode → int

The hash code for this object.

no setter, inherited

metrics → List<Metric>

All metrics exported since the last clear.

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

clear() → void

Clears the recorded metrics. Call between tests.

export(MetricData data) → Future<bool>

Export a batch of metrics to the backend.

override

findMetricByName(String name) → Metric?

Returns the most-recently exported metric named name, or null if none match.

forceFlush() → Future<bool>

Force flush any pending metrics.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

shutdown() → Future<bool>

Shutdown the exporter.

override

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited