/*
 * MeasurableProduct.java
 *
 * Created on October 10, 2002, 1:58 PM
 */

package SimpleInherit;

import SortSearchEtc.*;
import IO.*;
/**
 *
 * @author  mike
 */
public class MeasurableProduct extends Product implements Comparable {
    
    private double quantity = -9;
    
    private String units = "fluid oz";
    
    /** Creates a new instance of MeasurableProduct */
    public MeasurableProduct() {
    }
    
    /** Creates a new instance of MeasurableProduct */
    public MeasurableProduct(double amt) {
        quantity = amt;
        // others get defaults
    }
    
    /** Creates a new instance of MeasurableProduct */
    public MeasurableProduct(double amt, String un) {
        // default constructor for Product runs
        quantity = amt;
        units = un;
        // others get defaults
    }
    
    /** Creates a new instance of MeasurableProduct */
    public MeasurableProduct(String name, double price, double amt, String un) {
        super(name,price);
        quantity = amt;
        units = un;
        // id gets randomly gererated
    }
    
    /** Creates a new instance of MeasurableProduct */
    public MeasurableProduct(String id, String name, double price, double amt, String un) {
        super(id, name, price);
        quantity = amt;
        units = un;
    }
    
    
    ///////////////////////////////////////////////////////////////////////////
    // inspectors
    ///////////////////////////////////////////////////////////////////////////
    
    /**
     * reports Product size 
     */
    public double getQuantity() {
        return quantity;
    }
    
    
    /**
     * reports Product units 
     */
    public String getUnits() {
        return units;
    }
    
    /**
     * give a user friendly view of contents of the product
     */
    public String toString() {
        String res = super.toString();
        res = res + " Size: " + quantity + " " + units + " Unit Price: " +
            calcUnitPrice() + " per " + units;
        return res;
    }
    
    ///////////////////////////////////////////////////////////////
    // Mutators
    ///////////////////////////////////////////////////////////////
    
    /**
     * change size of product package 
     */
    public void setQuantity (double amt) {
        if (amt <= 0.00) {
            System.out.println("ERROR - invalid quantity");
        }
        else {
            quantity = amt;
        }
    }
    
    
    /**
     * change units for size of product package 
     */
    public void setUnits (String un) {
        units = un;
    }
    
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        System.exit(0);
    }
}