departmentmanager.java

来自「Java 敏捷开发--使用Spring Hibernate 和 Eclipse源」· Java 代码 · 共 40 行

package com.visualpatterns.timex.model;

import java.util.List;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import com.visualpatterns.timex.util.HibernateUtil;

/**
 * Manages database operations for Department table.
 * @author anil
 */
public class DepartmentManager
{
    /**
     * Returns list of all records in Department table, sorted by name.
     */
    public List getDepartments()
    {
        List departmentList = null;

        Session session = HibernateUtil.getSessionFactory()
                .getCurrentSession();
        session.beginTransaction();
        try
        {
            departmentList = session.createQuery(
                    "from Department ORDER BY name").list();
            session.getTransaction().commit();
        }
        catch (HibernateException e)
        {
            session.getTransaction().rollback();
            throw e;
        }

        return departmentList;
    }
}