com.gian.dao.impl.AuthorizationDaoImpl.java Source code

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Here is the source code for com.gian.dao.impl.AuthorizationDaoImpl.java

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package com.gian.dao.impl;

import com.gian.dao.AuthorizationDao;
import com.gian.entities.Authorization;
import com.gian.entities.User;
import java.util.List;
import org.apache.log4j.Logger;
import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.criterion.Projections;
import org.hibernate.criterion.Restrictions;
import org.springframework.stereotype.Repository;

/**
 *
 * @author Gian
 */
@Repository
public class AuthorizationDaoImpl extends GenericDaoImpl<Authorization, Long> implements AuthorizationDao {

    private final Logger _log = Logger.getLogger(AuthorizationDaoImpl.class);

    @Override
    public List<User> getAuthorizedUser() {

        //Get a list of User also by Criteria

        List<User> listUser = null;

        Session session = sessionFactory.openSession();
        Transaction transaction = null;
        _log.info("Info: get only authorized users...");
        try {
            transaction = session.beginTransaction();
            Criteria criteria = session.createCriteria(Authorization.class)
                    .setProjection(Projections.property("user")).add(Restrictions.eq("type", true));
            listUser = (List<User>) criteria.list();
            transaction.commit();
        } catch (HibernateException e) {
            if (transaction != null) {
                transaction.rollback();
                _log.error(e);
            } else {
                _log.error("Transaction is null");
            }
        } finally {
            session.close();
        }
        return listUser;

    }

}