contactinfodaoimpl.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.IContactInfoDAO;
import cn.com.tarena.ecport.exception.ECPortException;
import cn.com.tarena.ecport.pojo.ContactInfo;

public class ContactInfoDAOImpl implements IContactInfoDAO {

	@SuppressWarnings("unchecked")
	public List<ContactInfo> findAllContactInfo() throws ECPortException {
		try {
			return HibernateUtil.getSessionFactory().getCurrentSession()
					.createQuery("from ContactInfo").list();
		} catch (RuntimeException e) {
			throw e;
		}
	}

	public void modifyContactInfo(ContactInfo contactInfo)
			throws ECPortException {
		try {
			HibernateUtil.getSessionFactory().getCurrentSession().update(contactInfo);
		} catch (RuntimeException e) {
			throw e;
		}
	}

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

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

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

	@SuppressWarnings("unchecked")
	public List<ContactInfo> findByProperty(String propertyName, Object value) {
		try {
			String queryString = "from ContactInfo 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(ContactInfo pojo) {
		try {
			HibernateUtil.getSessionFactory().getCurrentSession().lock(
					pojo, LockMode.READ);
		} catch (RuntimeException e) {
			throw e;
		}
	}

	public ContactInfo merge(ContactInfo detachedPojo) {
		try {
			ContactInfo contactInfo = (ContactInfo) HibernateUtil.getSessionFactory().getCurrentSession().merge(detachedPojo);
			return contactInfo;
		} catch (RuntimeException e) {
			throw e;
		}
	}

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

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