u01msysbo.java

持久层hibernate技术使用的一个例子

package cn.hope.mana.bo;

import java.util.List;

import net.sf.hibernate.HibernateException;

import org.apache.log4j.Logger;

import cn.hope.mana.pojo.MSy;
import cn.hope.mana.pojo.dao.MSyDAO;

public class U01MSysBO {

	Logger log = Logger.getLogger(U01MSysBO.class.getName());
	/*获得MSy
	 * 
	 */
	public MSy search()throws HibernateException {
		MSy msy = new MSy();
		List list = null;
		try {
			list = new MSyDAO().search();
			if (list==null || list.size()==0){//如果没有记录,则设为默认值
				msy = new MSy();
				msy.setBackClose("0");
				msy.setBackInf("");
				msy.setDiskSize(new Integer(0));
				msy.setFrontClose("0");
				msy.setFrontInf("");
				msy.setLogValidate("0");
				msy.setNoteCount(new Integer(0));
				msy.setPageCount(new Integer(0));
				msy.setUpCount(new Integer(0));
				msy.setUpfileSize(new Integer(0));
				msy.setUpType("");
			}
			else{
				msy = (MSy)list.get(0);
			}
		}catch (HibernateException e) {
			log.error(e);
			e.printStackTrace();
			throw new HibernateException(e);
		}		
		return msy;
	}
	public void insert(MSy msy)throws HibernateException {
		List list = null;
		MSyDAO msyDAO = new MSyDAO(); 
		msy.setFlag("0");
		msy.setFrontInf(msy.getFrontInf().trim());
		msy.setBackInf(msy.getBackInf().trim());
		msy.setUpType(msy.getUpType().trim());
		try{
			list = msyDAO.search();
			if (list==null || list.size()==0){
				msyDAO.insert(msy);
			}
			else{
				msy.setSId(((MSy)list.get(0)).getSId());
				msyDAO.update(msy);
			}
		}catch (HibernateException e) {
			log.error(e);
			e.printStackTrace();
			throw new HibernateException(e);
		}
	}
	
}