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using System;
namespace DesignPatterns.State {
public class PinEnteredState : IState {
public PinEnteredState( IPosTerminal terminal ) {
_terminal = terminal;
}
public void SwipeCard( string cardNumber ) {
Console.Out.WriteLine( "You've already swiped a card." );
}
public void EnterAmount( double amount ) {
Console.Out.WriteLine( "You've already entered an amount." );
}
public void EnterPin( string pin ) {
Console.Out.WriteLine( "You've already entered a pin." );
}
public void ProcessTransaction( ) {
_terminal.CurrentState = new ProcessingTransactionState( _terminal );
}
public void PrintReceipt( ) {
Console.Out.WriteLine( "The transaction needs to be authorized first" );
}
private IPosTerminal _terminal;
}
}
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