provincedaoimpl.java

本系统是网上购物的详细代码

package cn.com.tarena.ecport.dao.impl;

import java.util.List;

import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;

import cn.com.tarena.ecport.common.util.HibernateUtil;
import cn.com.tarena.ecport.dao.IProvinceDAO;
import cn.com.tarena.ecport.exception.ECPortException;
import cn.com.tarena.ecport.pojo.Province;

public class ProvinceDAOImpl implements IProvinceDAO {

	@SuppressWarnings("unchecked")
	public List<Province> findAllProvince() throws ECPortException {
		try {
			List<Province> provinces = HibernateUtil.getSessionFactory().getCurrentSession().createQuery("from Province").list();
			return provinces;
		} catch (RuntimeException re) {
			throw re;
		}
	}

	@SuppressWarnings("unchecked")
	public List<Province> getProvinceOfCountry(int countryid) {
		String hql = "from Province as p where p.country.id=?";
		try {
			Query q = HibernateUtil.getSessionFactory().getCurrentSession().createQuery(hql);
			q.setInteger(0, countryid);
			List<Province> provinces = q.list();
			return provinces;
		} catch (RuntimeException e) {
			throw e;
		}
	}

	public void delete(Province persistencePojo) {
		try {
			HibernateUtil.getSessionFactory().getCurrentSession().delete(persistencePojo);
		} catch (RuntimeException e) {
			throw e;
		}
	}

	@SuppressWarnings("unchecked")
	public List<Province> findByExample(Province ExamplePojo) {
		try {
			List<Province> results = HibernateUtil.getSessionFactory().getCurrentSession().createCriteria("Province").add(
							Example.create(ExamplePojo)).list();
			return results;
		} catch (RuntimeException re) {
			throw re;
		}
	}

	public Province findById(Long id) {
		try {
			Province province = (Province) HibernateUtil.getSessionFactory().getCurrentSession().get(Province.class, id);
			return province;
		} catch (RuntimeException e) {
			throw e;
		}
	}

	@SuppressWarnings("unchecked")
	public List<Province> findByProperty(String propertyName, Object value) {
		try {
			String queryString = "from Province as model where model."+ propertyName + "= ?";
			Query queryObject = HibernateUtil.getSessionFactory().getCurrentSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			throw re;
		}
	}

	public void lock(Province pojo) {
		try {
			HibernateUtil.getSessionFactory().getCurrentSession().lock(pojo, LockMode.READ);
		} catch (RuntimeException e) {
			throw e;
		}
	}

	public Province merge(Province detachedPojo) {
		try {
			Province result = (Province) HibernateUtil.getSessionFactory().getCurrentSession().merge(detachedPojo);
			return result;
		} catch (RuntimeException re) {
			throw re;
		}
	}

	public void save(Province transientPojo) {
		try {
			HibernateUtil.getSessionFactory().getCurrentSession().save(transientPojo);
		} catch (RuntimeException e) {
			throw e;
		}
	}

	public void saveOrUpdate(Province pojo) {
		try {
			HibernateUtil.getSessionFactory().getCurrentSession().saveOrUpdate(pojo);
		} catch (RuntimeException re) {
			throw re;
		}
	}

}