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在为交付的图表进行正确映射时，我遇到了一些大问题。它看起来像这样：

图表

现在，到目前为止，我这样做了，希望它没问题（省略 getter/setter）。你会注意到USERShas DOMAIN_ID，忽略它，因为它不是完整的图表。

功能组

@Entity
@Table(name = "FUNCTIONALITY_GROUP")
public class FunctionalityGroup implements Serializable
{
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = "FUNCTIONALITY_GROUP_ID")
private Long functionalityGroupId;

@Column(name = "FUNCTIONALITY_GROUP_NM")
private String functionalityGroupName;

@Column(name = "FUNCTIONALITY_GROUP_DESC")
private String functionalityGroupDesc;

@OneToMany(fetch = FetchType.LAZY, mappedBy = "funcionalityGroupId")
private List<Functionality> functionalityList;
}

功能性

@Entity
@Table(name = "FUNCTIONALITY")
public class Functionality implements Serializable
{
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = "FUNCTIONALITY_ID")
private Long functionalityId;

@Column(name = "FUNCTIONALITY_NM")
private String functionalityGroupName;

@Column(name = "FUNCTIONALITY_DESC")
private String functionalityGroupDesc;

@Column(name = "FUNCTIONALITY_GROUP_ID")
private Long funcionalityGroupId;

@ManyToMany(fetch = FetchType.LAZY)
@JoinTable(name = "ROLE_FUNCTIONALITY",
        joinColumns = {@JoinColumn(name = "FUNCTIONALITY_ID")},
        inverseJoinColumns = {@JoinColumn(name = "ROLE_ID")})
private List<Role> roleList;
}

角色

@Entity
@Table(name = "ROLE")
public class Role implements Serializable
{
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = "ROLE_ID")
private Integer roleId;
@Column(name = "ROLE_NM")
private String roleName;
@Column(name = "ROLE_DESC")
private String roleDesc;
@Column(name = "OBJECT_TYPE")
private String objectType;

@ManyToMany(fetch = FetchType.LAZY, mappedBy = "roleList")
private List<Functionality> functionalityListy;
}

用户

@Entity
@Table(name = "USERS")
public class Users implements Serializable
{
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = "USER_ID")
private Long userId;
@Column(name = "USER_DESC")
private String userDesc;
@Column(name = "FIRST_NM")
private String firstNM;
@Column(name = "LAST_NM")
private String lastNM;
@Column(name = "IS_ENABLED")
private String isEnabled;
}

我不知道 Role_Member 和 Role_Member_Entry 应该如何映射和处理对象世界，有人可以给我一些点击吗？谢谢！

通常我会用多对多的角色连接用户，但实体 Role_Member_Entry 破坏了一切。

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