sttp.client4.internal.httpclient.FutureSequencer.scala Maven / Gradle / Ivy

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package sttp.client4.internal.httpclient

import java.util.concurrent.Semaphore
import scala.concurrent.{blocking, ExecutionContext, Future}

private[client4] class FutureSequencer(implicit ec: ExecutionContext) extends Sequencer[Future] {
  private val semaphore = new Semaphore(1)

  def apply[T](t: => Future[T]): Future[T] = {
    blocking {
      semaphore.acquire()
    }
    t.andThen { case _ => semaphore.release() }
  }
}