jfdserviceimpl.java

人力资源管理系统

package org.HumResManSys.service.impl;

import java.util.List;
import org.HumResManSys.dao.JfdDAO;
import org.HumResManSys.factory.DAOFactory;
import org.HumResManSys.service.JfdService;
import org.HumResManSys.vo.Jfd;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class JfdServiceImpl implements JfdService{
	private DAOFactory daoFactory;
	private Log log=LogFactory.getLog(JxdServiceImpl.class);
    
    public List<Jfd> displayAllJfd(){
    	try {
			//获得JfdDAO
			JfdDAO jfdDAO=daoFactory.getJfdDAO();
			List<Jfd> list=jfdDAO.queryAllJfds();
			//一定要关闭session
			jfdDAO.closeSession();
			return list;
		} catch (Exception e) {
			System.out.print("JfdService  show AllJfd error\n");
			e.printStackTrace();
			return null;
		}
    }
	
    public boolean saveJfd(Jfd jfd){
    	log.info("save one employee's jfd");
    	
    	boolean isSaveOK=false;
    	
		try {
			isSaveOK=daoFactory.getJfdDAO().createJfd(jfd);
			daoFactory.getJfdDAO().closeSession();
		} catch (RuntimeException e) {
			e.printStackTrace();
			log.error("save one employee's jfd error");
		}
		return isSaveOK;
	}
    	
    
    public List<Jfd> queryJfdsByPage(int firstResult, int maxResults) {
		List list = null;
		try {
			list = daoFactory.getJfdDAO()
					.queryJfdsByPageOrderByCondition("emp_name",
							firstResult, maxResults);
			daoFactory.getJfdDAO().closeSession();
		} catch (RuntimeException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return list;
	}
    
    public int getJfdsCount() {
		List list = this.daoFactory.getJfdDAO().getCurrentSession()
				.createQuery("select count(*) from Jfd")
				.setCacheable(true).list();
		int size = ((Number) list.get(0)).intValue();
		//		this.daoFactory.getEmployeeDAO().closeSession();
		return size;

	}
    
	public DAOFactory getDaoFactory() {
		return daoFactory;
	}

	public void setDaoFactory(DAOFactory daoFactory) {
		this.daoFactory = daoFactory;
	}
}