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namespace DesignPatterns.State {
public class PosTerminal : IPosTerminal {
public PosTerminal( ) {
_currentState = new IdleState( this );
}
public IState CurrentState {
get { return _currentState; }
set { _currentState = value; }
}
public IPosTransaction Transaction {
get { return _transaction; }
set { _transaction = value; }
}
public void SwipeCard( string cardNumber ) {
_currentState.SwipeCard( cardNumber );
}
public void EnterAmount( double amount ) {
_currentState.EnterAmount( amount );
}
public void EnterPin( string pin ) {
_currentState.EnterPin( pin );
}
public void AuthorizeTransaction( ) {
_currentState.ProcessTransaction( );
}
public void PrintReceipt( ) {
_currentState.PrintReceipt( );
}
public void ProcessTransaction( ) {
_currentState.ProcessTransaction( );
}
private IState _currentState;
private IPosTransaction _transaction;
}
}
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