Hi All, I have some simple Actor:
case class Item(id: String, description: String)
object Player {
sealed trait PlayerMessage
case class PickupItem(item: Item)
case class GiveItem(itemId: String, player: ActorRef)
case object ShowInventory
def props(): Props =
Props(classOf[Player])
}
class Player extends Actor with ActorLogging {
import Player._
var inventory = Seq.empty[Item]
override def receive: Receive = {
case PickupItem(item) =>
inventory = inventory :+ item
case GiveItem(itemId, player) =>
inventory
.find(_.id == itemId)
.map { item =>
inventory = inventory.diff(Seq(item))
player ! PickupItem(item)
}
case ShowInventory =>
log.info(s"[${context.self.path.name}] [${inventory.mkString(", ")}]")
}
}
If two Player's actors live in two different remote actor systems - how
safely transfer item from one player to other (read transactionally or
guaranteed) change state of two actor, by design all actions with inventory
persisted to database (without akka-persistence).
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