은행창구 매니저 [Step3] 토이, 쥬봉이

BankManager/Sources/BankManager/Model/BankManager.swift

@@ -9,9 +9,28 @@ public struct BankManager<BankClerk: CustomerReceivable> {
  customerQueue.enqueue(customer)
  }
 
- public func assignCustomer(to bankClerk: BankClerk) {
- while let customer = customerQueue.dequeue() as? BankClerk.Customer {
- bankClerk.receive(customer: customer)
+ public func assignCustomer(to bankClerk: [Banking: BankClerk]) {
+ let group = DispatchGroup()
+ let semaphore = DispatchSemaphore(value: 2)
+ let depositQueue = DispatchQueue(label: "depositQueue", attributes: .concurrent)
+ let loanQeueue = DispatchQueue(label: "loanQueue")
+
+ while let customer = customerQueue.dequeue() as? BankClerk.Customer,
+ let banking = customer.banking {
+ switch banking {
+ case .deposit:
+ depositQueue.async(group: group) {
+ semaphore.wait()
+ bankClerk[banking]?.receive(customer: customer)
+ semaphore.signal()
+ }
+ case .loan:
+ loanQeueue.async(group: group) {
+ bankClerk[banking]?.receive(customer: customer)
+ }
+ }
  }
+
+ group.wait()
  }
 }

BankManager/Sources/BankManager/Model/Banking.swift

@@ -0,0 +1,11 @@
+//
+// Banking.swift
+//
+//
+// Created by jyubong, Toy on 11/22/23.
+//
+
+public enum Banking: String, CaseIterable {
+ case deposit = "예금"
+ case loan = "대출"
+}

BankManager/Sources/BankManager/Protocol/CustomerNumbering.swift

@@ -1,3 +1,4 @@
 public protocol CustomerNumbering {
  var number: UInt { get }
+ var banking: Banking? { get }
 }

BankManagerConsoleApp/BankManagerConsoleApp/Model/Bank.swift

@@ -10,7 +10,7 @@ import BankManager
 
 struct Bank: BankBusinesable {
  private let bankManager = BankManager<BankClerk>()
- private let bankClerk = BankClerk()
+ private let bankClerks: [Banking: BankClerk] = [.deposit: BankClerk(work: .deposit), .loan: BankClerk(work: .loan)]
  private let customerNumber: UInt
 
  init(customerNumber: UInt) {
@@ -22,7 +22,7 @@ struct Bank: BankBusinesable {
 
  let startTime = CFAbsoluteTimeGetCurrent()
 
- bankManager.assignCustomer(to: bankClerk)
+ bankManager.assignCustomer(to: bankClerks)
 
  let finishTime = CFAbsoluteTimeGetCurrent() - startTime
  let time = String(format: "%.2f", finishTime)

BankManagerConsoleApp/BankManagerConsoleApp/Model/BankClerk.swift

@@ -8,20 +8,29 @@ import Foundation
 import BankManager
 
 struct BankClerk: CustomerReceivable {
- private let pace = 0.7
+ private let work: Banking
+ private var pace: Double {
+ switch work {
+ case .deposit:
+ return 0.7
+ case .loan:
+ return 1.1
+ }
+ }
  private let startWork: (String) -> Void
  private let endWork: (String) -> Void
 
- init(startWork: @escaping (String) -> Void = { print($0) }, endWork: @escaping (String) -> Void = { print($0) }) {
+ init(work: Banking, startWork: @escaping (String) -> Void = { print($0) }, endWork: @escaping (String) -> Void = { print($0) }) {
+ self.work = work
  self.startWork = startWork
  self.endWork = endWork
  }
 
  func receive(customer: Customer) {
  let number = customer.number
 
- startWork("\(number)번 고객 업무 시작")
+ startWork("\(number)번 고객 \(work.rawValue)업무 시작")
  Thread.sleep(forTimeInterval: pace)
- endWork("\(number)번 고객 업무 종료")
+ endWork("\(number)번 고객 \(work.rawValue)업무 종료")
  }
 }

BankManagerConsoleApp/BankManagerConsoleApp/Model/Customer.swift

@@ -9,4 +9,5 @@ import BankManager
 
 struct Customer: CustomerNumbering {
  let number: UInt
+ let banking = Banking.allCases.randomElement()
 }