def enableSampling()

in http-server/src/main/scala/com/twitter/finatra/http/modules/DarkTrafficFilterModule.scala [52:85]


  def enableSampling(injector: Injector): Request => Boolean

  /**
   * Override to specify further configuration of the Finagle [[Http.Client]].
   *
   * @param injector the [[com.twitter.inject.Injector]] for use in configuring the underlying client.
   * @param client   the default configured [[Http.Client]].
   *
   * @return a configured instance of the [[Http.Client]]
   */
  protected def configureHttpClient(injector: Injector, client: Http.Client): Http.Client = client

  @Provides
  @Singleton
  @DarkTrafficFilterType
  final def provideDarkTrafficFilter(
    injector: Injector,
    statsReceiver: StatsReceiver,
    @CanonicalResourceFilter canonicalResourceFilter: Filter[Request, Response, Request, Response],
    @DarkTrafficService service: Option[Service[Request, Response]]
  ): Filter[Request, Response, Request, Response] = {
    service match {
      case Some(svc) =>
        val filteredDarkService = canonicalResourceFilter.andThen(svc)
        new DarkTrafficFilter[Request, Response](
          filteredDarkService,
          enableSampling(injector),
          statsReceiver,
          forwardAfterService
        )
      case _ =>
        Filter.identity
    }
  }