用户类休眠@OneToOne(取= FetchType.LAZY)不工作
@Entity
@Getter
@Setter
@NoArgsConstructor
@JsonIgnoreProperties({"hibernateLazyInitializer", "handler"})
public class User extends BaseDomain {
@Column(unique=true)
private String email;
private String name;
private String surname;
@JsonIgnore
private String password;
// fortune types
@OneToOne(fetch = FetchType.LAZY)
private FortuneTeller fortuneTeller;
private int isFortuneTeller; // for efficient searching
@Override
public boolean equals(Object o) {
return super.equals(o);
}
@Override
public String toString() {
return "User{} " + super.toString();
}
}
算命:
@Entity
public class FortuneTeller extends FortuneCapability {
@Override
public String toString() {
return super.toString();
}
@Override
public boolean equals(Object o) {
return super.equals(o);
}
}
FortuneCapability:
@Entity
@NoArgsConstructor
@Getter
@Setter
@JsonIgnoreProperties({"hibernateLazyInitializer", "handler"})
public class FortuneCapability extends BaseDomain {
private int totalFortune;
private int price;
@OneToMany(fetch = FetchType.LAZY, mappedBy = "fortuneCapability")
private List<Review> reviews = new ArrayList<>();
public void addReview(Review review) {
review.setFortuneCapability(this);
reviews.add(review);
}
@Override
public String toString() {
return super.toString();
}
@Override
public boolean equals(Object o) {
return super.equals(o);
}
}
当我取用户列表给出我这个JSON(我拿他们使用userRepository.findAll();
):
{
"id": "4028ab6a5ddbc746015ddbc776580003",
"createdAt": "13/08/2017",
"updatedAt": "13/08/2017",
"email": "[email protected]",
"name": null,
"surname": null,
"lastLogin": null,
"fortuneTeller": {
"id": "4028ab6a5ddbc746015ddbc7766f0006",
"createdAt": "13/08/2017",
"updatedAt": "13/08/2017",
"totalFortune": 0,
"price": 0,
"reviews": [
{
"id": "4028ab6a5ddbc746015ddbc776710007",
"createdAt": "13/08/2017",
"updatedAt": "13/08/2017",
"content": "asd",
"rating": 0
}
]
},
"isFortuneTeller": 1
}
延迟加载对OneToOne或OneToMany不起作用。可能是什么问题?我认为这是因为龙目岛的@Data
注释,并将它们转换为@Getter/Setter
,但仍然相同。
你是如何得到这个JSON? –
正如我通过'userRepository'所说的那样,它使用'RestController'扩展了'CrudRepository'。 – Ozgur
当findAll被执行时,检查生成的sql,你看到连接了吗? –