sale.java

某本RUP经典书籍的示例工程的部分代码实现,内含有一个Junit测试用例

package com.foo.nextgen.domain;
import java.util.Date;
import java.util.ArrayList;
import java.util.List;

@SuppressWarnings("unused")
public class Sale {
	private List<SalesLineItem> lineItems =
		new ArrayList<SalesLineItem>();
	private Date date = new Date();
	private boolean isComplete = false;
	private Payment payment;
	public Money getBalance()
	{
		return payment.getAmount().minus( getTotal() );	
	}
	public void becomeComplete(){isComplete = true;}
	public boolean isComplete(){return isComplete;}
	public void makeLineItem
	        (ProductDescription desc,int quantity)
	{
		lineItems.add(new SalesLineItem(desc,quantity));
	}
	public Money getTotal() {
		Money total = new Money(0.0);
		Money subtotal = new Money(0.0);
		for(SalesLineItem lineItem:lineItems)
		{
			subtotal = lineItem.getSubtotal();
			total.add(subtotal);
		//	System.out.println(total.getValue());
		}
		return total;
	}
	public void makePayment(Money cashTendered)
	{
		payment = new Payment(cashTendered);
	}
}