Accounts.java

package cn.newgxu.bbs.domain.bank;

import java.util.Date;
import java.util.LinkedHashMap;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.OneToOne;
import javax.persistence.Table;

import cn.newgxu.bbs.domain.user.User;
import cn.newgxu.jpamodel.JPAEntity;
import cn.newgxu.jpamodel.ObjectNotFoundException;

/**
 * BankAccounts generated by MyEclipse - Hibernate Tools
 */

@Entity
@Table(name = "bank_accounts")
public class Accounts extends JPAEntity {

	private static final long serialVersionUID = 1L;

	@Id
	@Column(name = "id")
	// @GeneratedValue(strategy = GenerationType.SEQUENCE,generator="id_seq")
	// @SequenceGenerator(name="id_seq", sequenceName="seq_bank_accounts")
	@GeneratedValue(strategy = GenerationType.IDENTITY)
	private int id = -1;

	@OneToOne(cascade = { CascadeType.REFRESH }, fetch = FetchType.LAZY)
	@JoinColumn(name = "user_id")
	private User user;

	// private String password;
	private int balance;

	@Column(name = "open_time")
	private Date openTime;

	@Column(name = "begin_time")
	private Date beginTime;

	// Property accessors

	public int getId() {
		return this.id;
	}

	public void setId(int id) {
		this.id = id;
	}

	public Date getOpenTime() {
		return this.openTime;
	}

	public void setOpenTime(Date openTime) {
		this.openTime = openTime;
	}

	public int getBalance() {
		return this.balance;
	}

	public void setBalance(int balance) {
		this.balance = balance;
	}

	public Date getBeginTime() {
		return this.beginTime;
	}

	public void setBeginTime(Date beginTime) {
		this.beginTime = beginTime;
	}

	public User getUser() {
		return user;
	}

	public void setUser(User user) {
		this.user = user;
	}

	// --------------------------------------------------

	public static Accounts get(int baid) throws ObjectNotFoundException {
		return (Accounts) getById(Accounts.class, baid);
	}

	public static Accounts getByUser(User user) throws ObjectNotFoundException {
		return (Accounts) SQ("from Accounts ba where ba.user = ?1", P(1, user));
	}

	/**
	 * 帐户存取款。
	 * 
	 * @param money
	 *            操作金额。
	 */
	public void addBalance(int money) {
		this.balance += money;
		this.balance = this.balance < 0 ? 0 : this.balance;
	}

	/**
	 * 用户帐户balance是否足以支出。
	 * 
	 * @param money金额
	 *            。
	 * 
	 * @return
	 */
	public boolean canPayout(int money) {
		return this.balance - money >= 0;
	}

	/**
	 * 帐户支出。
	 * 
	 * @param money
	 *            操作金额。
	 */
	public void payout(int money) {
		this.balance -= money;
	}

	// ------------------------------------------------
	@SuppressWarnings("serial")
	@Override
	public String toString() {
		return "bank_accounts" + new LinkedHashMap<String, Object>() {
			{
				put("id", id);
				put("user", user);
				put("balance", balance);
				put("openTime", openTime);
				put("beginTime", beginTime);
			}
		}.toString();
	}

}