roledao.java

来自「一套自己原先在学校作的CRM,大家指点下」· Java 代码 · 共 168 行

package com.crm.dao;

import java.util.ArrayList;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.Session;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.crm.pojo.Role;

/**
 * Data access object (DAO) for domain model class Role.
 * 
 * @see com.crm.pojo.Role
 * @author MyEclipse Persistence Tools
 */

public class RoleDAO extends HibernateDaoSupport {
	private static final Log log = LogFactory.getLog(RoleDAO.class);

	// property constants
	public static final String ROLE_NAME = "roleName";

	public static final String ROLE_DESC = "roleDesc";

	public static final String ROLE_FLAG = "roleFlag";

	protected void initDao() {
		// do nothing
	}

	public void save(Role transientInstance) {
		log.debug("saving Role instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Role persistentInstance) {
		log.debug("deleting Role instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Role findById(java.lang.Integer id) {
		log.debug("getting Role instance with id: " + id);
		try {
			Role instance = (Role) getHibernateTemplate().get(
					"com.crm.pojo.Role", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Role instance) {
		log.debug("finding Role instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Role instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Role as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByRoleName(Object roleName) {
		return findByProperty(ROLE_NAME, roleName);
	}

	public List findByRoleDesc(Object roleDesc) {
		return findByProperty(ROLE_DESC, roleDesc);
	}

	public List findByRoleFlag(Object roleFlag) {
		return findByProperty(ROLE_FLAG, roleFlag);
	}

	public List findAll() {
		log.debug("finding all Role instances");
		try {
			String queryString = "from Role";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Role merge(Role detachedInstance) {
		log.debug("merging Role instance");
		try {
			Role result = (Role) getHibernateTemplate().merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Role instance) {
		log.debug("attaching dirty Role instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Role instance) {
		log.debug("attaching clean Role instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
	public boolean check(String name){
		Session s=this.getSessionFactory().openSession();
		String hql="from Role where roleName='"+name+"'";
		Query query=s.createQuery(hql);
		List list=new ArrayList();
		list=query.list();
		s.close();
		if(list.size()>0){
			return false;
		}else{
			return true;
		}
	}
	public static RoleDAO getFromApplicationContext(ApplicationContext ctx) {
		return (RoleDAO) ctx.getBean("RoleDAO");
	}
}