loansavingaccount.java

电子银行系统

package model;

import Exception.*;

public class LoanSavingAccount extends SavingAccount implements Loannable {
	private double loanmoney = 0;

	public LoanSavingAccount(String password, String name, String personId,
			String email) {
		super(password, name, personId, email);
	}

	public void requestLoan(double money) {
		this.loanmoney += money;
	}

	// 偿还贷款，首先要判断用户余额是否足够，并且还要判断贷款额是不是大于偿还贷款的数额
	// 用户可以选择是现金还还是用存款还.
	public void payLoan(double money) throws BusinessException.LoanException,
			BusinessException.BalanceNotEnoughException {
		if (this.loanmoney - money >= 0) {
			// if((this.getBalance()-money)<0) throw new
			// BusinessException.BalanceNotEnoughException("BalanceNotEnoughException--->SavingAccount
			// 您的余额不足 ! ");
			// this.setBalance(this.getBalance()+money);
			System.out.println("setBalance");
			this.withdraw(money);
			this.loanmoney -= money;
		} else
			throw new BusinessException.LoanException(
					"LoanException-->LoanSavingAccount 您不需要还这么多贷款 ! ");
	}

	public double getLoan() {
		return this.loanmoney;
	}

	/*
	 * public String toString() { return
	 * this.getName()+"\t"+this.getPersonId()+"\t"+this.getEmail(); }
	 */
	public boolean equals(Object o) {
		boolean flag = super.equals(o);
		if (!flag)
			return false;
		Loannable c = (Loannable) o;
		if (this.loanmoney != c.getLoan())
			return false;
		else
			return true;
	}

	public int hashCode() {
		// TODO Auto-generated method stub
		return super.hashCode()^new Double(loanmoney).hashCode();
	}
	
}