Struct opentracingrust::StartOptions

pub struct StartOptions { /* fields omitted */ }

Additional options that are passed to Tracer::span.

These options specify initial attributes of a span. All values are optional.

Examples

extern crate opentracingrust;

use std::time::SystemTime;

use opentracingrust::StartOptions;
use opentracingrust::tracers::NoopTracer;


fn main() {
    let (tracer, _) = NoopTracer::new();
    let parent = tracer.span("parent");

    let now = SystemTime::now();
    let options = StartOptions::default()
        .child_of(parent.context().clone())
        .start_time(now);
    let span = tracer.span_with_options("test", options);
}

Methods

impl StartOptions

pub fn child_of(self, parent: SpanContext) -> Self

Declares a ChildOf relationship for the Span to be.

pub fn follows(self, parent: SpanContext) -> Self

Declares a FollowsFrom relationship for the Span to be.

pub fn reference_span(self, reference: SpanReference) -> Self

Declares any of the SpanReferences for the Span to be.

pub fn start_time(self, start_time: SystemTime) -> Self

Sets the start time for the operation.

Trait Implementations

impl Default for StartOptions

fn default() -> StartOptions

Returns a default set of StartOptions.

By default the Span will:

• Have no references, which will make it a root span.
• Have have a start time of when Tracer::span is called.