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trait Propagation[Header, Request] extends AnyRef

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B3FormatPropagation
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Abstract Value Members

  1. abstract def extractContext(request: Request): Try[SpanContext]

    Extract the spanContext from a http request

    Extract the spanContext from a http request

    request

    the (usually incoming) http request

    returns

    the span context which can be used as parent context for a new span if the headers are valid. Otherwise returns a failure containing the error

  2. abstract def headersWithTracingContext(span: Span): Seq[Header]

    Builds the http headers for the B3 format to propagate the span context to a downstream service.

    Builds the http headers for the B3 format to propagate the span context to a downstream service.

    span

    the current span

    returns

    a list of B3 headers

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  5. val b3Format: TextFormat
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