specialdaoimpl.java

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/*
 * SpecialDaoImpl.java
 *
 * Created on 2006年5月20日, 下午9:19
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package enova.orm.hibernate.daoImpl;

import enova.dao.*;
import enova.pojo.*;
import java.util.*;
import org.hibernate.*;
import enova.util.*;

/**
 *
 * @author vlinux
 */
public class SpecialDaoImpl implements SpecialDao{

    public Special getId(Integer id) throws DataAccessException{
        try{
            Session session = HibernateUtil.currentSession();
            List list = session.createQuery("from Special where id=:id").setParameter("id",id).list();
            return list.isEmpty()?null:(Special)list.get(0);
        }catch(HibernateException he){
            throw new DataAccessException(he.toString());
        }finally{
            HibernateUtil.closeSession();
        }
    }
    
    public void updateOrInsert(Special special) throws RecordExistException, DataAccessException{
        try{
            Session session = HibernateUtil.currentSession();
            if( special.getId()==null ){
                List list = session.createQuery("from Special where name=:name and DEPARTMENT_ID=:departmentId")
                        .setParameter("name",special.getName())
                        .setParameter("departmentId",special.getDepartment().getId())
                        .list();
                if( !list.isEmpty() )
                    throw new RecordExistException();
            }
            Transaction tran = session.beginTransaction();
            session.saveOrUpdate(special);
            tran.commit();
        }catch(HibernateException he){
            throw new DataAccessException(he.toString());
        }finally{
            HibernateUtil.closeSession();
        }
    }
    
    public void delete(Integer id) throws DataAccessException{
        try{
            Session session = HibernateUtil.currentSession();
            Transaction tran = session.beginTransaction();
            session.createQuery("delete from Special where id=:id")
                    .setParameter("id",id)
                    .executeUpdate();
            tran.commit();
        }catch(HibernateException he){
            throw new DataAccessException(he.toString());
        }finally{
            HibernateUtil.closeSession();
        }
    }
    
    public List getByDepartmentId(Integer departmentId) throws DataAccessException{
        try{
            Session session = HibernateUtil.currentSession();
            return session.createQuery("from Special where DEPARTMENT_ID=:departmentId")
                    .setParameter("departmentId",departmentId)
                    .list();
        }catch(HibernateException he){
            throw new DataAccessException(he.toString());
        }finally{
            HibernateUtil.closeSession();
        }
    }
    
}