com.bearingpoint.dao.impl.UserDao.java Source code

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Here is the source code for com.bearingpoint.dao.impl.UserDao.java

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package com.bearingpoint.dao.impl;

import com.bearingpoint.dao.intf.concrete.UserDaoIntf;
import com.bearingpoint.entities.User;

import java.util.List;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;

public class UserDao implements UserDaoIntf<User, Long> {

    private Session currentSession;

    private Transaction currentTransaction;

    public UserDao() {
    }

    public Session openCurrentSession() {
        currentSession = getSessionFactory().openSession();
        return currentSession;
    }

    public Session openCurrentSessionwithTransaction() {
        currentSession = getSessionFactory().openSession();
        currentTransaction = currentSession.beginTransaction();
        return currentSession;
    }

    public void closeCurrentSession() {
        currentSession.close();
    }

    public void closeCurrentSessionwithTransaction() {
        currentTransaction.commit();
        currentSession.close();
    }

    private static SessionFactory getSessionFactory() {
        Configuration configuration = new Configuration().configure();
        StandardServiceRegistryBuilder builder = new StandardServiceRegistryBuilder()
                .applySettings(configuration.getProperties());
        SessionFactory sessionFactory = configuration.buildSessionFactory(builder.build());
        return sessionFactory;
    }

    public Session getCurrentSession() {
        return currentSession;
    }

    public void setCurrentSession(Session currentSession) {
        this.currentSession = currentSession;
    }

    public Transaction getCurrentTransaction() {
        return currentTransaction;
    }

    public void setCurrentTransaction(Transaction currentTransaction) {
        this.currentTransaction = currentTransaction;
    }

    @Override
    public User findByUserNamePassword(User entity) {

        Query query = getCurrentSession()
                .createQuery("from User where username= :username AND  password= :password");
        query.setParameter("username", entity.getUsername());
        query.setParameter("password", entity.getPassword());

        return (User) query.uniqueResult();
        //        return null;
    }

    public void persist(User entity) {
        getCurrentSession().save(entity);
    }

    public void update(User entity) {
        getCurrentSession().update(entity);
    }

    public User findById(Long id) {
        User book = (User) getCurrentSession().get(User.class, id);
        return book;
    }

    public void delete(User entity) {
        getCurrentSession().delete(entity);
    }

    @SuppressWarnings("unchecked")
    public List<User> findAll() {
        List<User> books = (List<User>) getCurrentSession().createQuery("from User").list();
        return books;
    }

    public void deleteAll() {
        List<User> entityList = findAll();
        for (User entity : entityList) {
            delete(entity);
        }
    }

}