Java 游戏框架ebean中的内部连接

我想在我的产品模型中写一个查询

select * from shop inner join product on product.shops_id=shop.id where product.name=keyword

Shop.java

public class Shop extends Model {

    @Id
    @SequenceGenerator(name="shop_gen", sequenceName="shop_id_seq", allocationSize=1)
    @GeneratedValue(strategy=GenerationType.SEQUENCE, generator="shop_gen")
    @Column(name="id")
    public Long id;

    @Required
    public String name;

    @Required
    public String addressLine1;

    public String addressLine2;

    public String addressLine3;

    @Required
    public String city;

    @Required
    public String town;

    @Required
    public String phoneNumber;

    @OneToMany(mappedBy = "shops",cascade = CascadeType.REMOVE)
    public List<Product> products=new ArrayList<>();


    @Required
    @OneToOne
    public String category;

    @Lob
    @Column(name = "shop_pic")
    public  byte[] shop_pic;


    @ManyToOne
    @Required
    public User owner;

}

public class Product extends Model {
   @Id
    @SequenceGenerator(name="product_gen", sequenceName="product_id_seq", allocationSize=1)
    @GeneratedValue(strategy=GenerationType.SEQUENCE, generator="product_gen")
    @Column(name="id")
    public Long id;
    @Required
    public String name;
    @Required
    public Float price;
    @OneToOne
    @Required
    public String category;
    @ManyToOne
    public Shop shops;
}

我的主要目标是找到一个特定产品的商店名单

这里的关键字每次都会更改。 我提到过类似的问题，但我一个也不懂。

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如果您的模型中有适当的关系，我们将非常感谢您的帮助，它将是：

Shop.find.where().like("product.name", keyword).findList();

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无论如何，我们对您的型号一无所知。

这是您问题的解决方案：

首先，将finder添加到产品类中

public static Finder<Long,Product> find = new Finder<Long,Product>(
    Long.class, Product.class
); 

List<Product> productList = Product.find.where().like("name", keyword).findList();
List<Shop> shopList = new ArrayList<Shop>();
for(Product product:productList)
    shopList.add(product.shop);