rolerightsdaoimpl.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.role.impl;

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.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.role.RoleRightsDAO;
import com.yuanchung.sales.model.admin.Rights;
import com.yuanchung.sales.model.admin.role.RoleRights;

/**
 * A data access object (DAO) providing persistence and search support for
 * RoleRights 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.role.RoleRights
 * @author MyEclipse Persistence Tools
 */

public class RoleRightsDAOImpl extends HibernateDaoSupport implements RoleRightsDAO{
	private static final Log log = LogFactory.getLog(RoleRightsDAOImpl.class);
	// property constants
	public static final String ROLE_ID = "roleId";
	public static final String RIGHTS_ID = "rightsId";

	protected void initDao() {
		// do nothing
	}

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

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

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

	public List findByExample(RoleRights instance) {
		log.debug("finding RoleRights 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 RoleRights instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from RoleRights 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 findByRoleId(Object roleId) {
		return findByProperty(ROLE_ID, roleId);
	}

	public List findByRightsId(Object rightsId) {
		return findByProperty(RIGHTS_ID, rightsId);
	}

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

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

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

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

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

	public int getMaxId() {
		int maxId = 0;
		String sql = "select max(rr.id) From "+ DataBaseTableName.ROLE_RIGHTS +" rr";
		SQLQuery query = this.getSession().createSQLQuery(sql);
		List list = query.list();
		if(list.size()>0){
			Integer longId = (Integer)list.get(0); 
			maxId = longId.intValue();
		}
		return maxId;
	}

	public List<Rights> getRightsEntityByRoleId(final int roleId) {
		return getHibernateTemplate().executeFind(new HibernateCallback(){
			public Object doInHibernate(Session session){
				//2009-01-21 sql 改 加了 "r.id = rr.rights_id"
				String sql = " select r.* from "+ DataBaseTableName.ROLE_RIGHTS +" rr, "+ DataBaseTableName.RIGHTS +" r Where rr.role_id=" + roleId + " and r.id = rr.rights_id";
				log.debug("sql : " + sql);
				Query query = session.createSQLQuery(sql).addEntity(Rights.class);
				List<Rights> rights = query.list();
				return rights;
			}
		});
	}

}