loansavingaccount.java

银行账户管理系统 简称BAM（项目介绍及源码）

package model;

import exception.*;

/**
 * 贷款储蓄账户(LoanSavingAccount) 作者：DrMeng 日期：08/07/26
 */
public class LoanSavingAccount extends SavingAccount implements Loanable {
	private double loan;// 一个贷款额的属性[

	public LoanSavingAccount() {
		super();
		// TODO Auto-generated constructor stub
	}

	public LoanSavingAccount(String password, String name, String personId,
			String email, double balance) {
		super(password, name, personId, email, balance);
		// TODO Auto-generated constructor stub
	}

	public void setLoan(double loan) {//
		this.loan = loan;
	}

	public double getLoan() {// 获取用户贷款总额
		return loan;
	}

	// 还贷款
	public synchronized void payLoan(double money)
			throws BalanceNotEnoughException, LoanException {
		if (loan < money) {
			throw new LoanException("您不需要还这么多钱");
		} else if (this.getBalance() >= money) {
			this.setBalance(this.getBalance() - money);
			loan -= money;
		} else {
			throw new BalanceNotEnoughException("储蓄账户：" + this.getName()
					+ "\t--->你的余额不足!" + "余额不足以还贷款");
		}
	}

	public void requestLoan(double money) {// 贷款
		loan += money;
	}

	@Override
	public boolean equals(Object o) {
		boolean flag = super.equals(o);
		if (!flag)
			return flag;
		LoanSavingAccount ca = (LoanSavingAccount) o;
		if (this.loan == ca.loan)
			return true;
		else
			return false;
	}

}