package com.example.autopartz.model; import jakarta.persistence.*; import lombok.*; import org.hibernate.Hibernate; import java.util.Objects; @Getter @Setter @ToString @RequiredArgsConstructor @Entity public class Category { @Id Long ID_category; @Column(name = "category_name") String cname; @ManyToOne @JoinColumn(name = "id_parent_category") Category ID_parent_category; @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || Hibernate.getClass(this) != Hibernate.getClass(o)) return false; Category category = (Category) o; return ID_category != null && Objects.equals(ID_category, category.ID_category); } @Override public int hashCode() { return getClass().hashCode(); } }