esiteusershoppingcartpk.java

来自「大型EJB项目的代码,上传让大家看看,希望得到会员的资格,可以下到好的代码来学习」· Java 代码 · 共 43 行

package shiponline;

import java.io.*;

public class EsiteUserShoppingCartPK
    implements Serializable {
  public Integer user;
  public Integer shoppingCartUserid;
  public Integer shoppingCartInventoryid;

  public EsiteUserShoppingCartPK() {
  }

  public EsiteUserShoppingCartPK(Integer user, Integer shoppingCartUserid,
                                 Integer shoppingCartInventoryid) {
    this.user = user;
    this.shoppingCartUserid = shoppingCartUserid;
    this.shoppingCartInventoryid = shoppingCartInventoryid;
  }

  public boolean equals(Object obj) {
    if (obj != null) {
      if (this.getClass().equals(obj.getClass())) {
        EsiteUserShoppingCartPK that = (EsiteUserShoppingCartPK) obj;
        return ( ( (this.user == null) && (that.user == null)) ||
                (this.user != null && this.user.equals(that.user))) &&
            ( ( (this.shoppingCartUserid == null) && (that.shoppingCartUserid == null)) ||
             (this.shoppingCartUserid != null &&
              this.shoppingCartUserid.equals(that.shoppingCartUserid))) &&
            ( ( (this.shoppingCartInventoryid == null) &&
               (that.shoppingCartInventoryid == null)) ||
             (this.shoppingCartInventoryid != null &&
              this.shoppingCartInventoryid.equals(that.shoppingCartInventoryid)));
      }
    }
    return false;
  }

  public int hashCode() {
    return (user + "" + shoppingCartUserid + shoppingCartInventoryid).hashCode();
  }
}