server: implement RetryableFuture on XSNServiceRPCImpl

server/app/com/xsn/explorer/config/RetryConfig.scala

@@ -0,0 +1,5 @@
+package com.xsn.explorer.config
+
+import scala.concurrent.duration.FiniteDuration
+
+case class RetryConfig(initialDelay: FiniteDuration, maxDelay: FiniteDuration)

server/app/com/xsn/explorer/errors/xsnErrors.scala

@@ -34,3 +34,11 @@ case object XSNWorkQueueDepthExceeded extends XSNServerError {
     List(error)
   }
 }
+
+case object XSNWarmingUp extends XSNServerError {
+  override def toPublicErrorList[L](i18nService: I18nService[L])(implicit lang: L): List[PublicError] = {
+    val message = i18nService.render("xsn.server.unexpectedError")
+    val error = GenericPublicError(message)
+    List(error)
+  }
+}

server/app/com/xsn/explorer/modules/RetryableFutureModule.scala

@@ -0,0 +1,22 @@
+package com.xsn.explorer.modules
+
+import akka.actor.{ActorSystem, Scheduler}
+import com.google.inject.{AbstractModule, Provides}
+import com.xsn.explorer.config.RetryConfig
+
+import scala.concurrent.duration._
+
+class RetryableFutureModule extends AbstractModule {
+
+  override def configure(): Unit = {}
+
+  @Provides
+  def retryConfig(): RetryConfig = {
+    RetryConfig(1.second, 65.seconds)
+  }
+
+  @Provides
+  def scheduler(actorSystem: ActorSystem): Scheduler = {
+    actorSystem.scheduler
+  }
+}