opentelemetry_api v1.2.2

View Source otel_propagator_text_map_composite (opentelemetry_api v1.2.2)

A Composite TextMap Propagator is a Propagator that performs run multiple TextMap Propagators in a specified order.

An example of creating a Composite TextMap Propagator to inject and extract Baggage and TraceContext:

  Propagator = otel_propagator_text_map_composite:create([trace_context, baggage]),
  otel_propagator_text_map:extract(Propagator, Carrier)

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Functions

create(Propagators)
extract(Context, Carrier, CarrierKeysFun, CarrierGetFun, Extractors)
fields(Propagators)
inject(Context, Carrier, CarrierSetFun, Injectors)
report_cb(_)

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create(Propagators)

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extract(Context, Carrier, CarrierKeysFun, CarrierGetFun, Extractors)

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-spec extract(Context, Carrier, CarrierKeysFun, CarrierGetFun, Extractors) -> Context
           when
               Context :: otel_ctx:t(),
               Carrier :: otel_propagator:carrier(),
               CarrierKeysFun :: otel_propagator_text_map:carrier_keys(),
               CarrierGetFun :: otel_propagator_text_map:carrier_get(),
               Extractors :: [otel_propagator_text_map:t()].
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fields(Propagators)

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inject(Context, Carrier, CarrierSetFun, Injectors)

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-spec inject(Context, Carrier, CarrierSetFun, Injectors) -> Carrier
          when
              Context :: otel_ctx:t(),
              Carrier :: otel_propagator:carrier(),
              CarrierSetFun :: otel_propagator_text_map:carrier_set(),
              Injectors :: [otel_propagator_text_map:t()].
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report_cb(_)

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