package gov.sandia.jess.example.pricing.model;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;

public class Order {
    private List items;
    private float total;
    private Customer customer;
    
    public Order(Collection theItems, Customer aCustomer) {
	items = new ArrayList(theItems);
	for (Iterator it = items.iterator(); it.hasNext();) {
	    OrderItem item = (OrderItem) it.next();
	    total += item.getTotal();
	}
	customer = aCustomer;
    }
    
    public Iterator getItems() {
        return items.iterator();
    }
    
    public float getTotal() {
    	return total;
    }
    
    public Customer getCustomer() {
	return customer;
    }
}

package gov.sandia.jess.example.pricing.model;

import java.text.DecimalFormat;

public class OrderItem {
    private static DecimalFormat formatter = new DecimalFormat("0.00");	
    private float price;
    private int partNumber;
    private String description;
    private int quantity;

    public OrderItem(String aDescription, int aPartNumber, float aPrice, int aQuantity) {
	partNumber = aPartNumber;
	description = aDescription;
	price = aPrice;
	quantity = aQuantity;
    }
	
    public int getQuantity() {
	return quantity;
    }
	
    public float getPrice() {
	return price;
    }
	
    public int getPartNumber() {
	return partNumber;
    }

    public float getTotal() {
	return price * quantity;
    }
	
    public String getDescription() {
	return description;
    }
	
    public String toString() {
	return quantity + " " + description + ": " + formatter.format(getTotal());
    }
}

package gov.sandia.jess.example.pricing.model;

public class Customer {	
    private int orderCount;
    
    public Customer(int anOrderCount) {
	orderCount = anOrderCount;
    }	
    
    public int getOrderCount() {
	return orderCount;
    }
}

package gov.sandia.jess.example.pricing.model;

public class CatalogItem {
    private String description;
    private int partNumber;
    private float price;

    public CatalogItem(String aDescription, int aPartNumber, float aPrice) {
	description = aDescription;
	partNumber = aPartNumber;
	price = aPrice;
    }

    public int getPartNumber() {
	return partNumber;
    }
	
    public String getDescription() {
	return description;
    }
	
    public float getPrice() {
	return price;
    }
}

package gov.sandia.jess.example.pricing.model;

import java.text.DecimalFormat;

public class Offer {
    private final float amount;
    private final String description;
    private static DecimalFormat formatter = new DecimalFormat("-$0.00");

    public Offer(String aDescription, float anAmount) {
	description = aDescription;
	amount = anAmount;		
    }

    public float getAmount() {
	return amount;
    }

    public String getDescription() {
	return description;
    }

    public String toString() {
	return description + ": " + formatter.format(amount);
    }
}