public static IReadOnlyList <TravelAgent> GetStartupAgentList() { //Double Checked, Thread Safe Singleton returns if (_agentList == null) { lock (SyncLock) { if (_agentList == null) { _agentList = new TravelAgentList(); } } } return(_agentList._startupAgentList); }
public void Login() { //persistence = new TripPersistence(); bool success = false; while (success == false) { Console.WriteLine("Please select Travel Agent by typing Agent ID:"); IReadOnlyList <TravelAgent> startupAgents = TravelAgentList.GetStartupAgentList(); for (var person = 0; person < startupAgents.Count; person++) { Console.WriteLine($"{person + 1}. {startupAgents[person]._name}, {startupAgents[person]._agentID}"); } string input = Console.ReadLine(); int id; if (int.TryParse(input, out id)) { for (int i = 0; i < startupAgents.Count; i++) { if (id == startupAgents[i]._agentID) { CurrentAgent = startupAgents[i]; Console.WriteLine($"Current Agent = {CurrentAgent._name}"); success = true; break; } } } else { Console.WriteLine("Please enter a valid integer:"); success = false; } } }