InMemorySpanExporter class final

Retains spans in memory.

Backs assertions in tests and powers an in-app trace inspector. maxSpans bounds memory by dropping the oldest spans.

Implemented types

• SpanExporter

Constructors

InMemorySpanExporter({int maxSpans = 1000})

Creates a bounded in-memory exporter.

Properties

hashCode → int

The hash code for this object.

no setter, inherited

maxSpans → int

Maximum number of spans retained.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

spans → List<SpanData>

The exported spans, oldest first.

no setter

Methods

clear() → void

Discards every retained span.

dispose() → Future<void>

Releases every resource held by this object.

override

export(SpanData span) → void

Handles one finished span.

override

named(String name) → List<SpanData>

Every exported span named name.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

trace(String traceId) → List<SpanData>

Every exported span belonging to traceId, in start order.

Operators

operator ==(Object other) → bool

The equality operator.

inherited