br.com.hrstatus.dao.impl.InstallProcessDAO.java Source code

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Here is the source code for br.com.hrstatus.dao.impl.InstallProcessDAO.java

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/*
Copyright (C) 2012  Filippe Costa Spolti
    
This file is part of Hrstatus.
    
Hrstatus is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package br.com.hrstatus.dao.impl;

import br.com.hrstatus.dao.InstallProcessInterface;
import br.com.hrstatus.model.InstallationProcess;
import br.com.hrstatus.utils.UserInfo;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.criterion.ProjectionList;
import org.hibernate.criterion.Projections;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;

import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import java.util.logging.Logger;

/*
 * @author spolti
 */

@Repository
@Transactional
public class InstallProcessDAO implements InstallProcessInterface {

    Logger log = Logger.getLogger(InstallProcessDAO.class.getCanonicalName());

    private EntityManager entityManager;
    private UserInfo userInfo = new UserInfo();

    public InstallProcessDAO() {
    }

    @PersistenceContext(unitName = "pu-hr")
    protected final void setEntityManager(EntityManager entityManager) {
        this.entityManager = entityManager;
    }

    private Session session() {
        return ((Session) entityManager.getDelegate());
    }

    public boolean freshInstall() {

        log.fine("[ System ] invoking freshInstall()");

        final Criteria freshInstall = session().createCriteria(InstallationProcess.class);
        final ProjectionList proList = Projections.projectionList();
        proList.add(Projections.property("freshInstall"));
        freshInstall.setProjection(proList);

        boolean result = false;

        try {
            final String temp = freshInstall.uniqueResult().toString();

            if (new Boolean(temp)) {
                result = true;
            } else if (!new Boolean(temp)) {
                result = false;
            }
        } catch (java.lang.NullPointerException NPE) {
            result = true;
        }
        return result;
    }

    public void saveInstallationProcess(InstallationProcess ipi) {
        log.fine("[ System ] invoking updateInstallationProcess()");
        session().save(ipi);
    }

    public String getInstallationDate() {

        log.fine("[ System ] invoking getInstallationDate()");
        final Criteria installDate = session().createCriteria(InstallationProcess.class);
        final ProjectionList proList = Projections.projectionList();
        proList.add(Projections.property("installDate"));
        installDate.setProjection(proList);
        return installDate.uniqueResult().toString();
    }
}