[−][src]Trait zipkin::Sample

pub trait Sample {
    fn sample(&self, trace_id: TraceId) -> bool;
}

A sampler decides whether or not a span should be recorded based on its trace ID.

A trace context received from a remote service may already indicate if the span should be recorded, but if it does not, a Sampler is responsible for making that decision.

Required methods

fn sample(&self, trace_id: TraceId) -> bool

Returns true if the span associated with the trace ID should be recorded.

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Implementations on Foreign Types

impl<T: ?Sized> Sample for Arc<T> where
    T: Sample, 
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impl<T: ?Sized> Sample for Box<T> where
    T: Sample, 
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Implementors

impl Sample for AlwaysSampler
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impl Sample for NeverSampler
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impl Sample for RandomSampler
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