package com.titan.processpayment;
     
import com.titan.domain.*;

public interface ProcessPayment {
     
    public boolean byCheck(Customer customer, CheckDO check, double amount)
        throws PaymentException;
     
    public boolean byCash(Customer customer, double amount)
        throws PaymentException;
     
    public boolean byCredit(Customer customer, CreditCardDO card, 
        double amount) throws PaymentException;

}