package com.example.autopartz.model; import lombok.Getter; import lombok.RequiredArgsConstructor; import lombok.Setter; import lombok.ToString; import org.hibernate.Hibernate; import javax.persistence.*; import java.util.Objects; @Getter @Setter @ToString @RequiredArgsConstructor @Entity public class Category { @Id @Column(name = "id_category") @GeneratedValue(strategy = GenerationType.IDENTITY) Integer id; @Column(name = "category_name") String cname; @ManyToOne @JoinColumn(name = "id_parent_category") Category ID_parent_category; public Category(String category) { this.cname = 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 != null && Objects.equals(id, category.id); } @Override public int hashCode() { return getClass().hashCode(); } }