Spring MVC с отображением отношений hibernate @onetomany

I have two table one is Credit and second is Debit. I want @OneToMany relationship. in credit table only single row of data and In debit table multiple row of data

Credit table:

cid
openingBalance
date
debittotal
drawertotal
debittotalplusdrawertotal
todaybusiness

all row of only single row data

Debit table:

did
amounnt
description

amount and description multiple row data

I am using Spring mvc with hibernate project structure is just like below

controller
entity
dao
daoImpl
service
serviceImpl
How to create model with @OneToMany Relationship and when I save that data then all data will save at time into two table
I ave try but only credit table of data is inserted but debit table data is not inserted 

package com.rojmat.entity;

import java.util.Date;
import java.util.List;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.Table;

import org.hibernate.annotations.Type;
import org.springframework.core.annotation.Order;
import org.springframework.format.annotation.DateTimeFormat;

@Entity
@Table(name="credit")
public class Credit extends BaseEntity{
	@Id
	@Column
	@GeneratedValue(strategy=GenerationType.AUTO)
	private long cid;
	@Column @Order
	private long openingbalance;
	@Column
	@Type(type="date")
	private Date date;
	@Column @Order
	private long debittotal;
	@Column @Order
	private long drawertotal;
	@Column @Order
	private long debittotalplusdrawertotal;
	@Column @Order
	private long todaybusiness;
	
	@OneToMany(mappedBy = "credit", cascade = CascadeType.ALL)
	private List<Debit> debit;
	
	public Credit()
	{
		
	}

	public Credit(long cid, long openingbalance, Date date, long debittotal, long drawertotal,
			long debittotalplusdrawertotal, long todaybusiness, List<Debit> debit) {
		super();
		this.cid = cid;
		this.openingbalance = openingbalance;
		this.date = date;
		this.debittotal = debittotal;
		this.drawertotal = drawertotal;
		this.debittotalplusdrawertotal = debittotalplusdrawertotal;
		this.todaybusiness = todaybusiness;
		this.debit = debit;
	}

	public long getCid() {
		return cid;
	}

	public void setCid(long cid) {
		this.cid = cid;
	}

	public long getOpeningbalance() {
		return openingbalance;
	}

	public void setOpeningbalance(long openingbalance) {
		this.openingbalance = openingbalance;
	}

	
	public Date getDate() {
		return date;
	}

	public void setDate(Date date) {
		this.date = date;
	}

	public long getDebittotal() {
		return debittotal;
	}

	public void setDebittotal(long debittotal) {
		this.debittotal = debittotal;
	}

	public long getDrawertotal() {
		return drawertotal;
	}

	public void setDrawertotal(long drawertotal) {
		this.drawertotal = drawertotal;
	}

	public long getDebittotalplusdrawertotal() {
		return debittotalplusdrawertotal;
	}

	public void setDebittotalplusdrawertotal(long debittotalplusdrawertotal) {
		this.debittotalplusdrawertotal = debittotalplusdrawertotal;
	}

	public long getTodaybusiness() {
		return todaybusiness;
	}

	public void setTodaybusiness(long todaybusiness) {
		this.todaybusiness = todaybusiness;
	}

	public List<Debit> getDebit() {
		return debit;
	}

	public void setDebit(List<Debit> debit) {
		this.debit = debit;
	}
}

package com.rojmat.entity;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;

import org.springframework.core.annotation.Order;

@Entity
@Table(name="debit")
public class Debit {
	@Id
	@Column
	@GeneratedValue(strategy=GenerationType.AUTO)
	private int did;
	@Column @Order
	@JoinColumn(name="cid")
	private int cid;
	@Column @Order
	private long amount;
	@Column @Order
	private String description;
	
	public Debit()
	{
		
	}

	public Debit(int did, int cid, long amount, String description) {
		super();
		this.did = did;
		this.cid = cid;
		this.amount = amount;
		this.description = description;
	}

	public int getDid() {
		return did;
	}

	public void setDid(int did) {
		this.did = did;
	}

	public int getCid() {
		return cid;
	}

	public void setCid(int cid) {
		this.cid = cid;
	}

	public long getAmount() {
		return amount;
	}

	public void setAmount(long amount) {
		this.amount = amount;
	}

	public String getDescription() {
		return description;
	}

	public void setDescription(String description) {
		this.description = description;
	}
	
}

package com.rojmat.serviceImpl;

import java.util.Date;
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.rojmat.dao.CreditDao;
import com.rojmat.entity.Credit;
import com.rojmat.entity.User;
import com.rojmat.service.CreditService;

@Service
@Transactional
public class CreditServiceImpl implements CreditService {

	@Autowired
	private CreditDao creditDao;
	
	@Override
	public void addCreditDebit(Credit credit) {
		Credit creditdebit = new Credit();
		User user = new User();
		creditdebit.setDebit(credit.getDebit());
		creditdebit.setOpeningbalance(credit.getOpeningbalance());
		creditdebit.setDate(credit.getDate());
		creditdebit.setDebittotal(credit.getDebittotal());
		creditdebit.setDrawertotal(credit.getDrawertotal());
		creditdebit.setDebittotalplusdrawertotal(credit.getDebittotalplusdrawertotal());
		creditdebit.setTodaybusiness(credit.getTodaybusiness());
		creditdebit.setCreatedBy(user.getEmail());
		creditdebit.setCreatedDate(new Date());
		creditdebit.setUpdatedBy(user.getEmail());
		creditdebit.setUpdatedDate(new Date());
		
		creditDao.addCreditDebit(creditdebit);
	}

	@Override
	public void updateCreditDebit(Credit credit) {
		Credit creditdebit = new Credit();
		User user = new User();
		creditdebit.setDebit(credit.getDebit());
		creditdebit.setOpeningbalance(credit.getOpeningbalance());
		creditdebit.setDate(credit.getDate());
		creditdebit.setDebittotal(credit.getDebittotal());
		creditdebit.setDrawertotal(credit.getDrawertotal());
		creditdebit.setDebittotalplusdrawertotal(credit.getDebittotalplusdrawertotal());
		creditdebit.setTodaybusiness(credit.getTodaybusiness());
		creditdebit.setCreatedBy(user.getEmail());
		creditdebit.setCreatedDate(new Date());
		creditdebit.setUpdatedBy(user.getEmail());
		creditdebit.setUpdatedDate(new Date());
		creditDao.updateCreditDebit(creditdebit);
	}

	@Override
	public void deleteCreditDebit(int cid) {
		creditDao.deleteCreditDebit(cid);
		
	}

	@Override
	public List<Credit> getAllCreditDebit() {
		
		return creditDao.getAllCreditDebit();
	}

}

package com.rojmat.daoImpl;

import java.util.List;

import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.classic.Session;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import com.rojmat.dao.CreditDao;
import com.rojmat.entity.Credit;
import com.rojmat.entity.Debit;

@Repository
public class CreditDaoImpl implements CreditDao{
	
	@Autowired
	private SessionFactory sessionFactory;
	@Override
	public void addCreditDebit(Credit credit) {
		
		Session session = sessionFactory.openSession();
		Transaction tx = session.beginTransaction();
		try
		{
			session.save(credit);
			tx.commit();
		}
		catch(Exception e)
		{
			session.close();
			tx.rollback();
			e.printStackTrace();
		}
		
	}

	@Override
	public void updateCreditDebit(Credit credit) {
		Session session = sessionFactory.openSession();
		Transaction tx = session.beginTransaction();
		try
		{
			session.update(credit);
			tx.commit();
			session.close();
		}
		catch(Exception e)
		{
			session.close();
			tx.rollback();
			e.printStackTrace();
		}
		
	}

	@Override
	public void deleteCreditDebit(int cid) {
		Credit credit = (Credit)sessionFactory.getCurrentSession().createQuery("from Credit as c LEFT JOIN FETCH c.debit where c.cid="+cid).uniqueResult();
		List<Debit> debits = credit.getDebit();
		sessionFactory.getCurrentSession().delete(credit);
		debits.forEach((debit) -> {
			sessionFactory.getCurrentSession().delete(debit);
		});
		
		
	}

	@SuppressWarnings("unchecked")
	@Override
	public List<Credit> getAllCreditDebit() {
		List<Credit> credits = sessionFactory.getCurrentSession().createQuery("from Credit").list();
		return credits;
	}

}