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opentelemetry

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Implementation of stable OpenTelemetry signals

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opentelemetry src otel_tracer.hrl
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src/otel_tracer.hrl 

%% This record is for the data of a named tracer.

%% The `tracer' contains the modules to use for span creation,

%% the sampler to use at creation time and the processors to

%% run `OnStart' and `OnEnd'.

%% See OpenTelemetry Tracer spec: https://github.com/open-telemetry/opentelemetry-specification/blob/v1.8.0/specification/trace/sdk.md#tracer-creation

-record(tracer,

        {

         module                  :: module(),

         on_start_processors     :: fun((otel_ctx:t(), opentelemetry:span()) -> opentelemetry:span()),

         on_end_processors       :: fun((opentelemetry:span()) -> boolean() | {error, term()}),

         sampler                 :: otel_sampler:t(),

         id_generator            :: otel_id_generator:t(),

         instrumentation_scope   :: otel_tracer_server:instrumentation_scope() | undefined

        }).

-type tracer() :: #tracer{}.