package com.chantha.jdbc.jpa.model; import com.fasterxml.jackson.annotation.JsonManagedReference; import lombok.AllArgsConstructor; import lombok.Data; import lombok.NoArgsConstructor; import javax.persistence.*; import java.util.List; @Entity @NoArgsConstructor @AllArgsConstructor @Data public class Position { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id; private String tittle; @OneToMany(mappedBy = "position") @JsonManagedReference private List staff; }