userrightsdaoimpl.java

来自「基于Sturts+Spring+Hibernate的一个高级销售管理系统。内容丰」· Java 代码 · 共 184 行

package com.yuanchung.sales.dao.admin.position.impl;

import java.sql.SQLException;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.HibernateException;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.SQLQuery;
import org.hibernate.Session;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.HibernateCallback;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.yuanchung.sales.constants.DataBaseTableName;
import com.yuanchung.sales.dao.admin.position.UserRightsDAO;
import com.yuanchung.sales.model.admin.Rights;
import com.yuanchung.sales.model.admin.position.UserRights;
import com.yuanchung.sales.util.SessionMgr;

/**
 * A data access object (DAO) providing persistence and search support for
 * UserRights entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see com.yuanchung.sales.model.admin.position.UserRights
 * @author MyEclipse Persistence Tools
 */

public class UserRightsDAOImpl extends HibernateDaoSupport implements
		UserRightsDAO {
	private static final Log log = LogFactory.getLog(UserRightsDAOImpl.class);
	// property constants
	public static final String USER_ID = "userId";
	public static final String RIGHTS_ID = "rightsId";

	protected void initDao() {
		// do nothing
	}

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

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

	public UserRights findById(java.lang.Integer id) {
		log.debug("getting UserRights instance with id: " + id);
		try {
			UserRights instance = (UserRights) getHibernateTemplate().get(
					"com.yuanchung.sales.model.admin.position.UserRights", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	@SuppressWarnings("unchecked")
	public List findByExample(UserRights instance) {
		log.debug("finding UserRights 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;
		}
	}

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

	@SuppressWarnings("unchecked")
	public List findByUserId(Object userId) {
		return findByProperty(USER_ID, userId);
	}

	@SuppressWarnings("unchecked")
	public List findByRightsId(Object rightsId) {
		return findByProperty(RIGHTS_ID, rightsId);
	}

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

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

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

	public void attachClean(UserRights instance) {
		log.debug("attaching clean UserRights instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public List<Rights> getRightsEntityByUserId(final Integer id) {
		return getHibernateTemplate().executeFind(new HibernateCallback() {
			public Object doInHibernate(Session session) {
				// 2009-01-21 sql 改 加了 "r.id = u.rights_id"
				String sql = " select r.* from "
						+ DataBaseTableName.USER_RIGHTS + " u, "
						+ DataBaseTableName.RIGHTS + " r Where u.user_id=" + id
						+ " and r.id = u.rights_id";
				Query query = session.createSQLQuery(sql).addEntity(
						Rights.class);
				List<Rights> rights = query.list();
				return rights;
			}
		});
	}

	public static UserRightsDAOImpl getFromApplicationContext(
			ApplicationContext ctx) {
		return (UserRightsDAOImpl) ctx.getBean("UserRightsDAO");
	}
}