Struct opentelemetry::trace::noop::NoopSpan

pub struct NoopSpan { /* private fields */ }

A no-op instance of a Span.

Implementations

impl NoopSpan

pub fn new() -> Self

Creates a new NoopSpan instance.

Trait Implementations

impl Clone for NoopSpan

fn clone(&self) -> NoopSpan

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for NoopSpan

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for NoopSpan

fn default() -> Self

Returns the “default value” for a type.

impl Span for NoopSpan

fn add_event<T>(&mut self, _name: T, _attributes: Vec<KeyValue>)where T: Into<Cow<'static, str>>,

Ignores all events

fn add_event_with_timestamp<T>( &mut self, _name: T, _timestamp: SystemTime, _attributes: Vec<KeyValue> )where T: Into<Cow<'static, str>>,

Ignores all events with timestamps

fn span_context(&self) -> &SpanContext

Returns an invalid SpanContext.

fn is_recording(&self) -> bool

Returns false, signifying that this span is never recording.

fn set_attribute(&mut self, _attribute: KeyValue)

Ignores all attributes

fn set_status(&mut self, _code: StatusCode, _message: String)

Ignores status

fn update_name<T>(&mut self, _new_name: T)where T: Into<Cow<'static, str>>,

Ignores name updates

fn end_with_timestamp(&mut self, _timestamp: SystemTime)

Ignores Span endings

fn record_exception(&mut self, err: &dyn Error)

Convenience method to record an exception/error as an Event

fn record_exception_with_stacktrace<T>( &mut self, err: &dyn Error, stacktrace: T )where T: Into<Cow<'static, str>>,

Convenience method to record a exception/error as an Event with custom stacktrace

fn end(&mut self)

Finishes the Span.