CouponCode.java

package com.hongqiang.shop.modules.entity;

import java.util.Date;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.OneToOne;
import javax.persistence.PreRemove;
import javax.persistence.Table;

@Entity
@Table(name="hq_coupon_code")
public class CouponCode extends BaseEntity
{
  private static final long serialVersionUID = -1812874037224306719L;
  private String code;//团购代码
  private Boolean isUsed;//代码是否可以使用
  private Date usedDate;//使用日期
  private Coupon coupon;//团购实体类
  private Member member;//会员实体类
  private Order order;//订单实体类

  @Column(nullable=false, updatable=false, unique=true)
  public String getCode()
  {
    return this.code;
  }

  public void setCode(String code)
  {
    this.code = code;
  }

  @Column(nullable=false)
  public Boolean getIsUsed()
  {
    return this.isUsed;
  }

  public void setIsUsed(Boolean isUsed)
  {
    this.isUsed = isUsed;
  }

  public Date getUsedDate()
  {
    return this.usedDate;
  }

  public void setUsedDate(Date usedDate)
  {
    this.usedDate = usedDate;
  }

  @ManyToOne(fetch=FetchType.LAZY)
  @JoinColumn(nullable=false, updatable=false)
  public Coupon getCoupon()
  {
    return this.coupon;
  }

  public void setCoupon(Coupon coupon)
  {
    this.coupon = coupon;
  }

  @ManyToOne(fetch=FetchType.LAZY)
  public Member getMember()
  {
    return this.member;
  }

  public void setMember(Member member)
  {
    this.member = member;
  }

  @OneToOne(mappedBy="couponCode", fetch=FetchType.LAZY)
  @JoinColumn(name="orders")
  public Order getOrder()
  {
    return this.order;
  }

  public void setOrder(Order order)
  {
    this.order = order;
  }

  @PreRemove
  public void preRemove()
  {
    if (getOrder() != null)
      getOrder().setCouponCode(null);
  }
}