rightsdao.java

java电信经典-学习例子源代码

package netctoss.dao;

import java.util.List;

import netctoss.entities.Rights;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.Transaction;
import org.hibernate.criterion.Example;

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

public class RightsDAO extends BaseHibernateDAO {
	private static final Log log = LogFactory.getLog(RightsDAO.class);
	// property constants
	public static final String NAME = "name";
	public static final String URL = "url";
	public static final String MODULEID = "moduleid";
	public static final String OPERATIONID = "operationid";

	public void save(Rights transientInstance) {
		log.debug("saving Rights instance");
		try {
			Transaction trans= getSession().beginTransaction();
			getSession().save(transientInstance);
			trans.commit();
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Rights persistentInstance) {
		log.debug("deleting Rights instance");
		try {
			Transaction trans=getSession().beginTransaction();
			getSession().delete(persistentInstance);
			trans.commit();
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Rights findById(java.lang.Integer id) {
		log.debug("getting Rights instance with id: " + id);
		try {
			Rights instance = (Rights) getSession().get(
					"netctoss.entities.Rights", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}
	
	public void deleteById(java.lang.Integer id) {
		log.debug("delete Rights instance with id: " + id);
		try {
			//Transaction trans= getSession().beginTransaction();
			Rights right=findById(id);
			delete(right); 
			//trans.commit();
			
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Rights instance) {
		log.debug("finding Rights instance by example");
		try {
			List results = getSession().createCriteria(
					"netctoss.entities.Rights").add(Example.create(instance))
					.list();
			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 Rights instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Rights as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByName(Object name) {
		return findByProperty(NAME, name);
	}

	public List findByUrl(Object url) {
		return findByProperty(URL, url);
	}

	public List findByModuleid(Object moduleid) {
		return findByProperty(MODULEID, moduleid);
	}

	public List findByOperationid(Object operationid) {
		return findByProperty(OPERATIONID, operationid);
	}

	public List findAll() {
		log.debug("finding all Rights instances");
		try {
			String queryString = "from Rights";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

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

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

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