skinny.controller.feature

FutureOpsFeature

trait FutureOpsFeature extends AnyRef

Provides seamless Future operations within SkinnyController. This trait enables accessing request, session and RequestScope from Future operations safely.

import scala.concurrent._
import scala.concurrent.duration._
import scala.concurrent.ExecutionContext.Implicits.global

class SomeControllerOps(controller: SomeController) {
  def setOther(implicit req: HttpServletRequest) = {
    controller.set("bar", Seq(1,2,3)) // implicit request is not ambiguous here
  }
}

class SomeController extends ApplicationController {
  def index = {
    val ops = new SomeControllerOps(this)
    awaitFutures(5.seconds)(
      futureWithRequest { implicit req =>
        // Explicitly specify HttpServletRequest here
        set("foo" -> FooService.getSomething()))(req)
      },
      futureWithRequest(req => ops.setOther(req))
    )
    render("/some/index")
  }
}
Self Type
SkinnyControllerBase
Linear Supertypes
AnyRef, Any
Known Subclasses
ErrorPageFilter, ScalateTemplateEngineFeature, SkinnyApiController, SkinnyApiResource, SkinnyApiResourceRoutes, SkinnyApiResourceServlet, SkinnyApiResourceServletWithId, SkinnyApiResourceWithId, SkinnyApiServlet, SkinnyController, SkinnyControllerBase, SkinnyFilter, SkinnyRenderingFilter, SkinnyResource, SkinnyResourceRoutes, SkinnyResourceServlet, SkinnyResourceServletWithId, SkinnyResourceWithId, SkinnyServlet, SkinnySessionFilter, SkinnyWebPageControllerFeatures, TemplateEngineFeature, TxPerRequestFilter
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  5. def awaitFutures[A](duration: Duration)(fs: Future[A]*)(implicit ec: ExecutionContext): Seq[A]

    Awaits multiple Future's results.

    Awaits multiple Future's results.

    duration

    duration to await futures

    fs

    futures

    ec

    execution context

    returns

    results

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  10. def futureWithRequest[A](op: (HttpServletRequest) ⇒ A)(implicit ec: ExecutionContext, req: HttpServletRequest): Future[A]

    Creates a future with implicit request.

    Creates a future with implicit request.

    A

    response type

    op

    operation inside this future

    ec

    execution context

    req

    request

    returns

    response value

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