public override Result DoProcess(ATMSimCommand command)
{
if (command.CommandId == CommandId.ShowLoginPage)
{
return(Result.Success);
}
else
{
return(Result.NotSuccess);
}
}
public override BaseState GetNextState(ATMSimCommand command)
{
if (command.CommandId == CommandId.ShowLoginPage)
{
return(StateHolder.LoginState);
}
else
{
return(null);
}
}
public void StartStateManager_DoWork(object sender, DoWorkEventArgs e)
{
StateHolder.CurrentState = new IdleState();
StateHolder.CurrentState.Enter();
while (true)
{
try
{
if (GeneralQueue.Count != 0)
{
ATMSimCommand command = GeneralQueue.Dequeue(); // remove first command from queue output
Console.WriteLine(String.Concat("\nGENERAL Q CMD: ", command.CommandId));
if (command != null)
{
Result doProcessState = StateHolder.CurrentState.DoProcess(command); // run doProcess() of current state with the command
if (doProcessState.Equals(Result.Success))
{
StateHolder.NextState = StateHolder.CurrentState.GetNextState(command); // assign current state's next state as next state
if (StateHolder.NextState != null)
{
StateHolder.PreviousState = StateHolder.CurrentState; // assign current state as previous state
StateHolder.CurrentState.Exit(); // exit from current state
StateHolder.CurrentState = StateHolder.NextState; // assign next state as current state
StateHolder.NextState = null; // set next state as null
StateHolder.CurrentState.Enter(); // enter to current state
}
}
else if (doProcessState.Equals(Result.GoBack))
{
var temp = StateHolder.CurrentState;
StateHolder.CurrentState.Exit();
StateHolder.PreviousState.Enter();
StateHolder.CurrentState = StateHolder.PreviousState;
StateHolder.PreviousState = temp;
}
Console.WriteLine(String.Concat("\nSTATE TRANSITION: ", StateHolder.PreviousState, " --> ", StateHolder.CurrentState));
Console.WriteLine(String.Concat("CURRENT STATE: ", StateHolder.CurrentState));
}
Thread.Sleep(100);
}
}
catch (Exception ex)
{
Console.WriteLine(String.Concat("ERROR STATE MGR: ", ex.Message));
}
}
}
public abstract BaseState GetNextState(ATMSimCommand command);
public abstract Result DoProcess(ATMSimCommand command);
/// <summary>
/// Add commands to th queue
/// </summary>
/// <param name="command">command</param>
public static void AddToQueue(ATMSimCommand command)
{
GeneralQueue.Enqueue(command);
}
