Ikhiloya

import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import org.springframework.data.annotation.CreatedDate;
import org.springframework.data.annotation.LastModifiedDate;
import org.springframework.data.jpa.domain.support.AuditingEntityListener;

import javax.persistence.*;
import java.io.Serializable;
import java.util.Date;

@MappedSuperclass

Ikhiloya

@Entity
@Table(name = "CL")
public class Cluster extends AuditModel{
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    @Column(name = "ID", nullable = false, length = 10)
    private Long id;

    @Column(name = "ClusterName")

Ikhiloya

package com.loya.onetomanybidirectionaldemo.entity;

import com.fasterxml.jackson.annotation.JsonIgnore;
import org.hibernate.annotations.OnDelete;
import org.hibernate.annotations.OnDeleteAction;

import javax.persistence.*;
import javax.validation.constraints.NotBlank;
import java.io.Serializable;

Ikhiloya

package com.loya.onetomanybidirectionaldemo.entity;

import javax.persistence.*;
import javax.validation.constraints.NotBlank;
import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;

@Entity
@Table(name = "Author")

Ikhiloya

package com.loya.onetomanybidirectionaldemo.entity;

import com.fasterxml.jackson.annotation.JsonIgnore;
import org.hibernate.annotations.OnDelete;
import org.hibernate.annotations.OnDeleteAction;

import javax.persistence.*;
import javax.validation.constraints.NotBlank;
import java.io.Serializable;

Ikhiloya

package com.loya.onetomanybidirectionaldemo.dao;

import com.loya.onetomanybidirectionaldemo.entity.Author;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;

@Repository
public interface AuthorDao extends JpaRepository<Author, Long> {

}

Ikhiloya

package com.loya.onetomanybidirectionaldemo.dao;

import com.loya.onetomanybidirectionaldemo.entity.Book;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;

@Repository
public interface BookDao extends JpaRepository<Book, Long> {

}

Ikhiloya

package com.loya.onetomanybidirectionaldemo.service;

import com.loya.onetomanybidirectionaldemo.dao.AuthorDao;
import com.loya.onetomanybidirectionaldemo.dao.BookDao;
import com.loya.onetomanybidirectionaldemo.entity.Author;
import com.loya.onetomanybidirectionaldemo.entity.Book;
import com.loya.onetomanybidirectionaldemo.exception.ResourceNotFoundException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

Ikhiloya

package com.loya.onetomanybidirectionaldemo.service;

import com.loya.onetomanybidirectionaldemo.dao.AuthorDao;
import com.loya.onetomanybidirectionaldemo.dao.BookDao;
import com.loya.onetomanybidirectionaldemo.entity.Author;
import com.loya.onetomanybidirectionaldemo.entity.Book;
import com.loya.onetomanybidirectionaldemo.exception.ResourceNotFoundException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

Ikhiloya

package com.loya.onetomanybidirectionaldemo.service;

import com.loya.onetomanybidirectionaldemo.dao.AuthorDao;
import com.loya.onetomanybidirectionaldemo.entity.Author;
import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Service;

import java.util.List;