pricingsdao.java

java电信经典-学习例子源代码

package netctoss.dao;

import java.util.List;

import netctoss.entities.Pricings;

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
 * Pricings 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.Pricings
 * @author MyEclipse Persistence Tools
 */

public class PricingsDAO extends BaseHibernateDAO {
	private static final Log log = LogFactory.getLog(PricingsDAO.class);
	// property constants
	public static final String NAME = "name";
	public static final String BASEFEE = "basefee";
	public static final String RATEFEE = "ratefee";
	public static final String DESCRIPTION = "description";

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

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

	public Pricings findById(java.lang.Integer id) {
		log.debug("getting Pricings instance with id: " + id);
		try {
			Pricings instance = (Pricings) getSession().get(
					"netctoss.entities.Pricings", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Pricings instance) {
		log.debug("finding Pricings instance by example");
		try {
			List results = getSession().createCriteria(
					"netctoss.entities.Pricings").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 Pricings instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Pricings 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 findByBasefee(Object basefee) {
		return findByProperty(BASEFEE, basefee);
	}

	public List findByRatefee(Object ratefee) {
		return findByProperty(RATEFEE, ratefee);
	}

	public List findByDescription(Object description) {
		return findByProperty(DESCRIPTION, description);
	}

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

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

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

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