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Java Spring with Hibernate Getting Started with CRUD in Spring + Hibernate Add Saving to DAO & Service

Mario Hiller
Mario Hiller
12,058 Points
Posted by Mario Hiller
Mario Hiller
12,058 Points

There was no session opened with the `SessionFactory`

i don't know whats wrong

com/teamtreehouse/contactmgr/dao/ContactDao.java 
package com.teamtreehouse.contactmgr.dao;

import com.teamtreehouse.contactmgr.model.Contact;

import java.util.List;

public interface ContactDao {
    List<Contact> findAll();
    Contact findById(Long id);
    void save(Contact contact);
}
com/teamtreehouse/contactmgr/dao/ContactDaoImpl.java 
package com.teamtreehouse.contactmgr.dao;

import com.teamtreehouse.contactmgr.model.Contact;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.List;

@Repository
public class ContactDaoImpl implements ContactDao {
    @Autowired
    private SessionFactory sessionFactory;

    @Override
    public List<Contact> findAll() {
        Session session = sessionFactory.openSession();
        List<Contact> contacts = session.createCriteria(Contact.class).list();
        session.close();
        return contacts;
    }

    @Override
    public Contact findById(Long id) {
        Session session = sessionFactory.openSession();
        Contact c = session.get(Contact.class, id);
        session.close();
        return c;
    }

    @Override
    void save(Contact contact);
    {
      Session session = sessionFactory.openSession();
      session.beginTransaction();
      session.save(contact);
      session.getTransaction().commit();
      session.close();
    }
}
com/teamtreehouse/contactmgr/service/ContactService.java 
package com.teamtreehouse.contactmgr.service;

import com.teamtreehouse.contactmgr.model.Contact;

import java.util.List;

public interface ContactService {
    List<Contact> findAll();
    Contact findById(Long id);
    void save(Contact contact);
}
com/teamtreehouse/contactmgr/service/ContactServiceImpl.java 
package com.teamtreehouse.contactmgr.service;

import com.teamtreehouse.contactmgr.dao.ContactDao;
import com.teamtreehouse.contactmgr.model.Contact;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class ContactServiceImpl implements ContactService {
    @Autowired
    private ContactDao contactDao;

    @Override
    public List<Contact> findAll() {
        return contactDao.findAll();
    }

    @Override
    public Contact findById(Long id) {
        return contactDao.findById(id);
    }

    @Override
    void save (Contact contact) 
    {
      contactDao.save(contact);
    }
}