hibernate简单分页

package tree.bean;

import java.util.List;

import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;


import tree.HibernateUtil;
public class Pagination
...{
    int page = 0;
    int size = 0;
    String keyword = null;
    public Pagination()
    ...{
        
    }
    public Pagination(int page,int size,String keyword)
    ...{
        this.page=page;
        this.size=size;
        this.keyword=keyword;
    }
    private Session session = null;
    private Transaction tx = null;
    public Integer ALLinfornum()
    ...{
        String hql = "select count(*) from contentbean in class tree.bean.ContentBean where isChecked =1 and title like :title";   
        int count = 0;
        try
        ...{
            session= HibernateUtil.currentSession_mysql();
            tx=session.beginTransaction();
            Query query = session.createQuery(hql);  
            query.setString("title","%"+keyword+"%");
            count = (int)((Long)query.iterate().next()).longValue();
            tx.commit();
        }
        catch(HibernateException e)
        ...{
            
            HibernateUtil.Log(this.getClass().getName(),e.getMessage());
            System.out.println("error_message::"+e.getMessage());
        }
        catch(Exception ee)
        ...{
            System.out.println(ee.getMessage());
        }
        finally
        ...{
            HibernateUtil.closeSession_mysql();
        }
        return count;
    }
    public List partinfor()
    ...{
        List list = null;
        String hql = "from contentbean in class tree.bean.ContentBean where isChecked =1 and title like :title order by addTime";
        try
        ...{
            session = HibernateUtil.currentSession_mysql();
            Query query = session.createQuery(hql);  
            query.setString("title","%"+keyword+"%");
            query.setFirstResult(page*size);
            query.setMaxResults(size);
            list = query.list();
        }
        catch(HibernateException e)
        ...{
            HibernateUtil.Log(this.getClass().getName(),e.getMessage());
            System.out.println(e.getMessage());
        }
        finally
        ...{
            HibernateUtil.closeSession_mysql();
        }
        return list;
    }
    public int ALLpage(int maxRowCount)
    ...{
        int maxPage;
        if(maxRowCount%size==0)
        ...{
            maxPage=maxRowCount/size;
        }
        else
        ...{
            maxPage=maxRowCount/size+1;
        }
        return maxPage;
    }
}