com.laborun.dao.DepartmentDaoImp.java Source code

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Here is the source code for com.laborun.dao.DepartmentDaoImp.java

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package com.laborun.dao;

import com.laborun.entity.Department;
import java.util.Iterator;
import java.util.List;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.criterion.Restrictions;

/**
 *
 * @author dina
 */
public class DepartmentDaoImp implements DepartmentDaoInt {

    public boolean insertDepartment(Department department) {
        boolean flag = true;
        Session session = Connection.getConnection();
        Criteria cr = session.createCriteria(Department.class);
        cr.add(Restrictions.eq("departmentName", department.getDepartmentName()));
        List results = cr.list();
        Iterator it = results.iterator();
        while (it.hasNext()) {

            flag = false;
            System.out.println("department already exists");
            break;

        }
        if (flag == true) {
            session.beginTransaction();
            session.persist(department);
            session.getTransaction().commit();
            System.out.println("data inserted");
        }
        return flag;

    }

    public List<Department> getDepartments() {
        Session session = Connection.getConnection();
        List<Department> departments = null;
        Criteria cr = session.createCriteria(Department.class);
        departments = cr.list();

        return departments;
    }

}