質問編集履歴
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```
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Profile
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```java
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//profileテーブルとマッピングさせるエンティティクラス
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package com.example.konkatsu.domain;
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import java.sql.Date;
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import javax.persistence.Column;
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import javax.persistence.Entity;
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import javax.persistence.FetchType;
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import javax.persistence.Id;
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import javax.persistence.JoinColumn;
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import javax.persistence.ManyToOne;
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import javax.persistence.Table;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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@Data
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@NoArgsConstructor //デフォルトコンストラクタも必要な場合
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@AllArgsConstructor //すべてのフィールドを引数に持つコンストラクタを自動生成
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@Entity //エンティティ（一単位として扱われるデータのまとまり）であることを示す。指定したクラス名がテーブルとマッピングされる
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@Table(name = "profile") //接続するテーブルを指定
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public class Profile {
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//@Autowired
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//ProfileForm form;
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@Column(name = "user_id")
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@Id //主キー
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private Integer id;
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private String name;
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private Integer genderId;
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private Date birthday;
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private Integer height;
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private Integer occupationId;
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private Integer income;
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private String text;
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private byte[] image;
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@ManyToOne(fetch = FetchType.LAZY) //@ManyToOneで多対１の関係にする
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@JoinColumn(nullable = true, name = "user_id", insertable=false, updatable=false) //外部キーのカラム名の指定
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private User user;
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@ManyToOne(fetch = FetchType.LAZY) //@ManyToOneで多対１の関係にする
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@JoinColumn(nullable = true, name = "genderId", insertable=false, updatable=false) //外部キーのカラム名の指定
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private Gender gender;
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@ManyToOne(fetch = FetchType.LAZY)
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}
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```
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Favorite
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```java
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package com.example.konkatsu.domain;
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import javax.persistence.Column;
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import javax.persistence.Entity;
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import javax.persistence.FetchType;
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import javax.persistence.Id;
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import javax.persistence.IdClass;
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import javax.persistence.JoinColumn;
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import javax.persistence.ManyToOne;
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import javax.persistence.Table;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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@Data
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@NoArgsConstructor
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@AllArgsConstructor
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@Entity
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@Table(name = "favorite")
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@IdClass(value=FavoriteKeyId.class) //複合主キーを扱いたい場合、別途キーをまとめたクラスを作成する必要がある
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public class Favorite {
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@Id
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@Column(name = "user_id")
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private Integer userId;
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@Id
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@Column(name = "favorite_user_id")
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private Integer favoriteUserId;
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}
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```
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