u01cdutybo.java

持久层hibernate技术使用的一个例子

package cn.hope.mana.bo;

import java.util.List;

import org.apache.log4j.Logger;

import cn.hope.mana.pojo.CDutycon;
import cn.hope.mana.pojo.dao.CDutyconDAO;

import net.sf.hibernate.HibernateException;


public class U01CDutyBO {

	Logger log = Logger.getLogger(U01CDutyBO.class.getName());
	
	private CDutyconDAO cDutyDAO = new CDutyconDAO();
	/**
	 * 查询数据方法
	 * 
	 * @param  
	 * @return list
	 * @throws HibernateException
	 */
	public List search() throws HibernateException {
		try {			
			return cDutyDAO.search();
		}catch (HibernateException e) {
			log.error(e);
			e.printStackTrace();
			throw new HibernateException(e);
		} 
	}
	/**
	 * 添加数据方法
	 * 
	 * @param  CDutycon
	 * @return 
	 * @throws HibernateException
	 */
	public boolean insert(CDutycon cDutycon)throws HibernateException {
		String cdName = cDutycon.getCdName().trim();
		int count = 0;
		try {			
			count = cDutyDAO.searchByName(cdName);
			if (count == 0) {
				cDutycon.setFlag("0");
				cDutycon.setCdName(cdName);
				cDutycon.setCdId(null);
				cDutyDAO.insert(cDutycon);
				return true;
			}
			return false;
		}catch (HibernateException e) {
			log.error(e);
			e.printStackTrace();
			throw new HibernateException(e);
		} 
	}
	/**
	 * 修改数据方法
	 * 
	 * @param  CDutycon
	 * @return 
	 * @throws HibernateException
	 */
	public boolean update(CDutycon cDutycon)throws HibernateException {
		String cdName = cDutycon.getCdName().trim();
		int count = 0;
		try {
			count = cDutyDAO.searchByName(cdName);
			if (count == 0) {
				cDutycon.setCdName(cdName);
				cDutycon.setFlag("0");
				cDutyDAO.update(cDutycon);
				return true;
			}
			return false;
		}catch (HibernateException e) {
			log.error(e);
			e.printStackTrace();
			throw new HibernateException(e);
		} 
	}
}