package credit;

import credit.*;
import java.rmi.*;

public interface CreditCard extends Remote {

    /** This method returns a credit card's credit line. */
    public float getCreditLine() throws RemoteException;

    /** This method allows a card holder to pay all or some
        of a balance. Throws InvalidMoneyException if the
        money param is invalid. */
    public void payTowardsBalance(float money)
        throws RemoteException, InvalidMoneyException;

    /** This method allows the cardholder to make purchases
        against the line of credit. Throws CreditLineExceededException
        if the purchase exceeds available credit. */
    public void makePurchase(float amount, int signature)
        throws RemoteException, InvalidSignatureException,
        CreditLineExceededException;

    /** This method sest the card's personal i.d. signature. */
    public void setSignature(int pin) throws RemoteException;
}