Akka example of 51 bank transfers

 BankAccount.scalapackage week52import akka.actor.Actorimport  Akka.event.loggingreceiveobject bankaccount {  case class deposit (amount:  BIGINT)  {    require (amount > 0)   }  case class  withdraw (Amount: bigint)  {    require (amount > 0)    }  case object done  case object failed}class bankaccount  Extends actor {  import bankaccount._  var balance = bigint ( 0)   def receive = loggingreceive {    case deposit ( Amount)  =>      balance += amount       sender ! done    case withdraw (amount)  if amount  <= balance =>      balance -= amount      sender ! Done     case _ => sender ! failed  }}

 wiretransfer.scalapackage week52import akka.actor.actorimport akka.actor.actorrefimport  akka.event.loggingreceiveobject wiretransfer {  case class transfer (from:  actorref, to: actorref, amount: bigint)   case object Done   case object failed}class wiretransfer extends actor {  import  WireTransfer._    def receive = LoggingReceive {     case transfer (From, to, amount)  =>      from  ! bankaccount.withdraw (amount)       context.become (AwaitFrom (To),  amount, sender))   }    def awaitfrom (to: ActorRef,  AMOUNT: BIGINT, CUSTOMER: ACTORREF): receive = loggingreceive {     case bankacCount. Done =>      to ! bankaccount.deposit (amount)        context.become (Awaitto (customer))     case bankaccount.failed  =>      customer ! Failed       Context.stop (self)   }    def awaitto (customer: actorref):  Receive  = LoggingReceive {    case BankAccount.Done =>       customer ! done      context.stop (self)    }}

 transfermain.scalapackage week52import akka.actor.actorimport akka.actor.propsimport  akka.event.LoggingReceiveclass TransferMain extends Actor {  val  Accounta = context.actorof (props[bankaccount],  "AccountA")   val accountb =  context.actorof (props[bankaccount],  "ACCOUNTB")   accounta ! bankaccount.deposit (+)   def receive = LoggingReceive {    case  Bankaccount.done => transfer (  }  def transfer) (AMOUNT: BIGINT):  unit = {    val transaction = context.actorof (Props[ wiretransfer],  "Transfer")     transaction ! wiretransfer.transfer (AccountA,  accountb, amount)     context.become (loggingreceive {       case wiretransfEr. DONE =>        PRINTLN ("Success")          context.stop (self)       case wiretransfer.failed  =>        println ("Failed")          context.stop (self)     })   }}

Akka example of 51 bank transfers