[−][src]Trait opentelemetry::sdk::trace::SpanProcessor
This is supported on crate feature
trace
only.SpanProcessor
is an interface which allows hooks for span start and end
method invocations. The span processors are invoked only when is_recording
is true.
Required methods
pub fn on_start(&self, span: &Span, cx: &Context)
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on_start
is called when a Span
is started. This method is called
synchronously on the thread that started the span, therefore it should
not block or throw exceptions.
pub fn on_end(&self, span: SpanData)
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on_end
is called after a Span
is ended (i.e., the end timestamp is
already set). This method is called synchronously within the Span::end
API, therefore it should not block or throw an exception.
pub fn force_flush(&self) -> TraceResult<()>
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Force the spans lying in the cache to be exported.
pub fn shutdown(&mut self) -> TraceResult<()>
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Shuts down the processor. Called when SDK is shut down. This is an opportunity for processors to do any cleanup required.