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package xyz.driver.core.app
import akka.http.scaladsl.model.StatusCodes
import akka.http.scaladsl.server.Directives.complete
import akka.http.scaladsl.server.{Route, RouteConcatenation}
import xyz.driver.core.rest.ServiceDiscovery
import xyz.driver.core.rest.ServiceDiscovery.{NoServiceDiscovery, SavingUsedServiceDiscovery}
import scala.reflect.runtime.universe._
trait Module {
val name: String
def route: Route
def routeTypes: Seq[Type]
val serviceDiscovery: ServiceDiscovery with SavingUsedServiceDiscovery = new NoServiceDiscovery()
def activate(): Unit = {}
def deactivate(): Unit = {}
}
object Module {
class EmptyModule extends Module {
override val name: String = "Nothing"
override def route: Route = complete(StatusCodes.OK)
override def routeTypes: Seq[Type] = Seq.empty[Type]
}
class SimpleModule(override val name: String, override val route: Route, routeType: Type) extends Module {
def routeTypes: Seq[Type] = Seq(routeType)
}
/**
* Module implementation which may be used to composed a few
*
* @param name more general name of the composite module,
* must be provided as there is no good way to automatically
* generalize the name from the composed modules' names
* @param modules modules to compose into a single one
*/
class CompositeModule(override val name: String, modules: Seq[Module]) extends Module with RouteConcatenation {
override def route: Route = RouteConcatenation.concat(modules.map(_.route): _*)
override def routeTypes: Seq[Type] = modules.flatMap(_.routeTypes)
override def activate(): Unit = modules.foreach(_.activate())
override def deactivate(): Unit = modules.reverse.foreach(_.deactivate())
}
}
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