@MappedSuperclass
public class Position<T> {
    @Id
    @Column(name = "id", columnDefinition = "uuid")
    private UUID id;

    @Column(name = "value")
    private Long value;

    @OneToOne(optional = false, fetch = FetchType.LAZY)
    @PrimaryKeyJoinColumn
    private T entity;

    ...
}

@Table(schema = "test", name = "category_position")
@NamedEntityGraph(name = CATEGORY_POSITION__FETCH_ALL, includeAllAttributes = true)
public class CategoryPositionEntity extends Position<CategoryEntity> {
    public static final String CATEGORY_POSITION__FETCH_ALL = "CategoryPosition.fetchAll";
}

@Table(schema = "test", name = "vod__attribute_position")
@NamedEntityGraph(
        name = VOD_ATTRIBUTE_POSITION__FETCH_ENTITY_WITH_TAGS,
        attributeNodes = @NamedAttributeNode(value = "entity", subgraph = "entity.tags"),
        subgraphs = @NamedSubgraph(
                name = "entity.tags",
                attributeNodes = @NamedAttributeNode(value = "tags")
        )
)
public class VodAttributePositionEntity extends Position<VodAttributeEntity> {
        public static final String VOD_ATTRIBUTE_POSITION__FETCH_ENTITY_WITH_TAGS = "VodAttributePosition.fetchEntityWithTags";
}

@Entity
@Table(schema = "tdatv", name = "category")
public class CategoryEntity {

    @Id
    @Column(name = "id", columnDefinition = "uuid")
    @GeneratedValue(generator = "UUID")
    @GenericGenerator(
            name = "UUID",
            strategy = "org.hibernate.id.UUIDGenerator"
    )
    private UUID id;

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

    @Column(name = "video_block_title")
    private String videoBlockTitle;

    @Column(name = "featured")
    private Boolean featured;

    ...
}

@Entity
@Table(schema = "test", name = "vod__attribute")
public class VodAttributeEntity {

    @Id
    @Column(name = "id", columnDefinition = "uuid")
    @GeneratedValue(generator = "UUID")
    @GenericGenerator(
            name = "UUID",
            strategy = "org.hibernate.id.UUIDGenerator"
    )
    private UUID id;

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

    @OneToMany(cascade = {PERSIST, MERGE, REMOVE}, orphanRemoval = true, fetch = EAGER)
    @JoinColumn(name = "attribute_id", nullable = false, insertable = false, updatable = false)
    @OrderBy("name")
    private List<VodTagEntity> tags;

    ...
}

@Entity
@Table(schema = "test", name = "vod__tag")
public class VodTagEntity {

    @Id
    @Column(name = "id", columnDefinition = "uuid")
    @GeneratedValue(generator = "UUID")
    @GenericGenerator(
            name = "UUID",
            strategy = "org.hibernate.id.UUIDGenerator"
    )
    private UUID id;

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

    @Column(name = "attribute_id", columnDefinition = "uuid")
    private UUID attributeId;

    @ElementCollection(fetch = FetchType.LAZY)
    @CollectionTable(
            schema = "test",
            name = "vod__link_video_tag",
            joinColumns = {@JoinColumn(name = "tag_id")}
    )
    @Cascade(REMOVE)
    @Column(name = "video_id")
    private List<UUID> videoIds;
}

public class Test {
    private static EntityManagerFactory entityManagerFactory =
            Persistence.createEntityManagerFactory("sandbox");

    public static void main(String... args) {
        EntityManager manager = entityManagerFactory.createEntityManager();
    }
}