本文整理汇总了Scala中akka.pattern.AskTimeoutException类的典型用法代码示例。如果您正苦于以下问题:Scala AskTimeoutException类的具体用法?Scala AskTimeoutException怎么用?Scala AskTimeoutException使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了AskTimeoutException类的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Scala代码示例。
示例1: Application
//设置package包名称以及导入依赖的类
package controllers
import akka.actor._
import akka.pattern.AskTimeoutException
import com.google.inject.name.Named
import com.google.inject.{Inject, Singleton}
import play.api._
import play.api.data.Form
import play.api.data.Forms._
import play.api.libs.concurrent.Execution.Implicits.defaultContext
import play.api.libs.json.Json
import play.api.mvc._
import scala.concurrent.Future
import scalaz.\/.left
import scalaz.{-\/, \/-}
import actors.Library
import actors.Library.{RequestBooks, BookData}
import entities.Book
import forms.SearchForm
@Singleton
class Application @Inject()(system: ActorSystem,
@Named("ndl-client-actor") ndlClient: ActorRef)
extends Controller {
import akka.pattern.ask
import scala.concurrent.duration._
def index = Action(Ok(views.html.index("Simple OPAC")))
val bookForm = Form(
mapping(
"title" -> optional(text),
"author" -> optional(text),
"any" -> optional(text),
"count" -> optional(number(min = 1, max = 200))
)(SearchForm.apply)(SearchForm.unapply)
)
implicit val bookToJson = Json.writes[Book]
implicit val timeout: akka.util.Timeout = 1 minute
lazy val libraryActor = system.actorOf(Library.props)
def books = Action.async { implicit req =>
bookForm.bindFromRequest.fold(
formWithError => {
Future.successful(BadRequest("invalid request"))
},
{
case validForm => (try {
libraryActor.ask(RequestBooks(validForm, ndlClient)).mapTo[BookData].map(_.books)
} catch {
case e: AskTimeoutException => Future.successful(left(s"Server Error: \n$e"))
case _ => Future.successful(left("Something wrong..."))
}).map {
case \/-(books) => Ok(Json.toJson(books))
case -\/(msg) => InternalServerError(msg)
}
}
)
}
}
示例2:
//设置package包名称以及导入依赖的类
package com.packt.chapter9
import akka.http.scaladsl.model.StatusCodes
import akka.http.scaladsl.server.Directives._
import akka.http.scaladsl.server.ExceptionHandler
import akka.pattern.AskTimeoutException
trait RouteExceptionHandler {
val routeExceptionHandler = ExceptionHandler {
case _: ArithmeticException =>
complete {
StatusCodes.BadRequest -> "You values are incorrect. Probably b needs to be different from 0"
}
case _: AskTimeoutException =>
complete {
StatusCodes.ServiceUnavailable -> "Internal actor is not responding within 500 millis"
}
}
}
示例3: funcToRunnable
//设置package包名称以及导入依赖的类
package com
import akka.actor.ActorRef
import com.carjump.http.{ReqParams, CacheResponseBody}
import scala.reflect.ClassTag
import scala.util.control.NonFatal
import akka.pattern.AskTimeoutException
import scala.concurrent.{ExecutionContext, Future}
package object carjump {
implicit def funcToRunnable(f: () ? Unit) = new Runnable {
override def run() = f()
}
implicit def asFiniteDuration(d: java.time.Duration) =
scala.concurrent.duration.Duration.fromNanos(d.toNanos)
case class ValidationException(message: String) extends Exception(message)
trait AskSupport {
import akka.pattern.ask
implicit def askTimeout: akka.util.Timeout
def queryCache[T <: CacheResponseBody](message: ReqParams, cache: ActorRef)(implicit ec: ExecutionContext, tag: ClassTag[T]): Future[cats.data.Xor[String, T]] =
cache.ask(message).mapTo[T].map { response =>
response.error.fold(cats.data.Xor.right(response)) { error =>
throw ValidationException(error)
}
}.recoverWith {
case ex: ClassCastException ? Future.successful(cats.data.Xor.left(s"Could'n cast type: ${ex.getMessage}"))
case ex: AskTimeoutException ? Future.successful(cats.data.Xor.left(s"Request timeout: ${ex.getMessage}"))
case ex: ValidationException => Future.successful(cats.data.Xor.left(s"Validation error: ${ex.getMessage}"))
case NonFatal(e) => //Doesn't swallow stack overflow and out of memory errors
Future.successful(cats.data.Xor.left(s"Unexpected error: ${e.getMessage}"))
}
}
}