Struct Builder 

pub struct Builder { /* private fields */ }

A builder for Spans.

Implementations

impl Builder

pub fn trace_id(&mut self, trace_id: TraceId) -> &mut Builder

Sets the trace ID of the span.

pub fn name(&mut self, name: &str) -> &mut Builder

Sets the name of the span.

Defaults to None.

pub fn parent_id(&mut self, parent_id: SpanId) -> &mut Builder

Sets the ID of the span’s parent.

Defaults to None.

pub fn id(&mut self, id: SpanId) -> &mut Builder

Sets the ID of the span.

pub fn kind(&mut self, kind: Kind) -> &mut Builder

Sets the kind of the span.

Defaults to None.

pub fn timestamp(&mut self, timestamp: SystemTime) -> &mut Builder

Sets the time of the beginning of the span.

Defaults to None.

pub fn duration(&mut self, duration: Duration) -> &mut Builder

Sets the duration of the span.

Defaults to None.

pub fn debug(&mut self, debug: bool) -> &mut Builder

Sets the debug state of the span.

Defaults to false.

pub fn shared(&mut self, shared: bool) -> &mut Builder

Sets the shared state of the span.

Defaults to false.

pub fn local_endpoint(&mut self, local_endpoint: Endpoint) -> &mut Builder

Sets the local endpoint of the span.

Defaults to None.

pub fn remote_endpoint(&mut self, remote_endpoint: Endpoint) -> &mut Builder

Sets the remote endpoint of the span.

Defaults to None.

pub fn annotation(&mut self, annotation: Annotation) -> &mut Builder

Adds an annotation to the span.

pub fn annotations<I>(&mut self, annotations: I) -> &mut Builder

where I: IntoIterator<Item = Annotation>,

Adds multiple annotations to the span.

pub fn tag(&mut self, key: &str, value: &str) -> &mut Builder

Adds a tag to the span.

pub fn tags<I>(&mut self, tags: I) -> &mut Builder

where I: IntoIterator<Item = (String, String)>,

As multiple tags to the span.

pub fn build(&self) -> Span

Constructs a Span.

Panics

Panics if trace_id or id was not set.

Trait Implementations

impl From<Span> for Builder

fn from(s: Span) -> Builder

Converts to this type from the input type.