com.model.dao.VacationDao.java Source code

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Here is the source code for com.model.dao.VacationDao.java

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/*
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package com.model.dao;

import com.model.entity.Vacation;
import org.hibernate.HibernateException;
import org.hibernate.Query;

import org.hibernate.Session;
import org.hibernate.Transaction;
import com.view.util.HibernateUtil;
import java.util.List;
import org.hibernate.CacheMode;

/**
 *
 * @author eyadof
 */
public class VacationDao {
    public static boolean addVacation(Vacation v) {
        boolean result = false;
        Session session = HibernateUtil.getSessionFactory().openSession();
        session.setCacheMode(CacheMode.IGNORE);
        Transaction tx = null;

        try {
            tx = session.beginTransaction();
            session.save(v);
            tx.commit();
            result = true;
        } catch (HibernateException ex) {
            if (tx != null) {
                tx.rollback();
                result = false;
            }
            ex.printStackTrace();
        } finally {
            session.close();
        }
        return result;
    }

    public static List<Vacation> listMyVacations(long emp_id) {
        List<Vacation> result = null;
        Session session = HibernateUtil.getSessionFactory().openSession();
        session.setCacheMode(CacheMode.IGNORE);
        Transaction tx = null;

        try {
            tx = session.beginTransaction();
            Query q = session.createQuery("FROM Vacation  Where employee.id = :emp_id order by requestedAt DESC");
            q.setParameter("emp_id", emp_id);
            result = q.list();
            tx.commit();
        } catch (HibernateException ex) {
            if (tx != null)
                tx.rollback();
            ex.printStackTrace();
        } finally {
            session.close();
        }
        return result;
    }

    public static List<Vacation> listDepartmentVacations(long department_id) {
        List<Vacation> result = null;
        Session session = HibernateUtil.getSessionFactory().openSession();
        session.setCacheMode(CacheMode.IGNORE);
        Transaction tx = null;

        try {
            tx = session.beginTransaction();
            Query q = session
                    .createQuery("FROM Vacation  Where employee.department.id = :dep_id AND status = 'Pending'");
            q.setParameter("dep_id", department_id);
            result = q.list();
            tx.commit();
        } catch (HibernateException ex) {
            if (tx != null)
                tx.rollback();
            ex.printStackTrace();
        } finally {
            session.close();
        }
        return result;
    }

    public static boolean dmReject(Vacation v) {
        boolean result = false;
        Session session = HibernateUtil.getSessionFactory().openSession();
        session.setCacheMode(CacheMode.IGNORE);
        Transaction tx = null;

        try {
            tx = session.beginTransaction();
            v.setStatus(Vacation.VacationStatus.RejectedByDepartmentManager);
            session.update(v);
            tx.commit();
            result = true;
        } catch (HibernateException ex) {
            if (tx != null) {
                tx.rollback();
                result = false;
            }
            ex.printStackTrace();
        } finally {
            session.close();
        }
        return result;
    }

    public static boolean dmAccept(Vacation v) {
        boolean result = false;
        Session session = HibernateUtil.getSessionFactory().openSession();
        session.setCacheMode(CacheMode.IGNORE);
        Transaction tx = null;

        try {
            tx = session.beginTransaction();
            v.setStatus(Vacation.VacationStatus.AcceptedByDepartmentManager);
            session.update(v);
            tx.commit();
            result = true;
        } catch (HibernateException ex) {
            if (tx != null) {
                tx.rollback();
                result = false;
            }
            ex.printStackTrace();
        } finally {
            session.close();
        }
        return result;
    }

    public static List<Vacation> listCompanyVacations() {
        List<Vacation> result = null;
        Session session = HibernateUtil.getSessionFactory().openSession();
        session.setCacheMode(CacheMode.IGNORE);
        Transaction tx = null;

        try {
            tx = session.beginTransaction();
            result = session.createQuery("FROM Vacation  Where Status = 'AcceptedByDepartmentManager'").list();
            tx.commit();
        } catch (HibernateException ex) {
            if (tx != null)
                tx.rollback();
            ex.printStackTrace();
        } finally {
            session.close();
        }
        return result;
    }

    public static boolean gmReject(Vacation v) {
        boolean result = false;
        Session session = HibernateUtil.getSessionFactory().openSession();
        session.setCacheMode(CacheMode.IGNORE);
        Transaction tx = null;

        try {
            tx = session.beginTransaction();
            v.setStatus(Vacation.VacationStatus.RejectedByCompanyManager);
            session.update(v);
            tx.commit();
            result = true;
        } catch (HibernateException ex) {
            if (tx != null) {
                tx.rollback();
                result = false;
            }
            ex.printStackTrace();
        } finally {
            session.close();
        }
        return result;
    }

    public static boolean gmAccept(Vacation v) {
        boolean result = false;
        Session session = HibernateUtil.getSessionFactory().openSession();
        session.setCacheMode(CacheMode.IGNORE);
        Transaction tx = null;

        try {
            tx = session.beginTransaction();
            v.setStatus(Vacation.VacationStatus.Accepted);
            session.update(v);
            tx.commit();
            result = true;
        } catch (HibernateException ex) {
            if (tx != null) {
                tx.rollback();
                result = false;
            }
            ex.printStackTrace();
        } finally {
            session.close();
        }
        return result;
    }
}