productdao.java

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package crm.dao.other;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.Criteria;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.criterion.DetachedCriteria;
import org.hibernate.criterion.MatchMode;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Restrictions;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import crm.entity.other.ProductEntity;

/**
 * Data access object (DAO) for domain model class ProductEntity.
 * 
 * @see crm.entity.other.ProductEntity
 * @author MyEclipse Persistence Tools
 */

public class ProductDAO extends HibernateDaoSupport {
	private static final Log log = LogFactory.getLog(ProductDAO.class);

	// property constants
	public static final String PROD_NAME = "prodName";

	public static final String PROD_TYPE = "prodType";

	public static final String PROD_BATCH = "prodBatch";

	public static final String PROD_UNIT = "prodUnit";

	public static final String PROD_PRICE = "prodPrice";

	public static final String PROD_MEMO = "prodMemo";

	protected void initDao() {
		// do nothing
	}

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

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

	public List findByname(String proName) {
		DetachedCriteria criteria =DetachedCriteria.forClass(ProductEntity.class);
		criteria.add(Restrictions.like("prodName", proName,MatchMode.ANYWHERE));
		return getHibernateTemplate().findByCriteria(criteria);
		
	}
	
	/**
	 * 删除方法(根据id删除)
	 */
	public void delete(int id)
	{
		long lid=id;    //将int型转换成long型
		this.delete(this.findById(lid));
	}
	
	public ProductEntity findById(java.lang.Long id) {
		log.debug("getting ProductEntity instance with id: " + id);
		try {
			ProductEntity instance = (ProductEntity) getHibernateTemplate()
					.get("crm.entity.other.ProductEntity", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(ProductEntity instance) {
		log.debug("finding ProductEntity 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 ProductEntity instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from ProductEntity 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 findByProdName(Object prodName) {
		return findByProperty(PROD_NAME, prodName);
	}

	public List findByProdType(Object prodType) {
		return findByProperty(PROD_TYPE, prodType);
	}

	public List findByProdBatch(Object prodBatch) {
		return findByProperty(PROD_BATCH, prodBatch);
	}

	public List findByProdUnit(Object prodUnit) {
		return findByProperty(PROD_UNIT, prodUnit);
	}

	public List findByProdPrice(Object prodPrice) {
		return findByProperty(PROD_PRICE, prodPrice);
	}

	public List findByProdMemo(Object prodMemo) {
		return findByProperty(PROD_MEMO, prodMemo);
	}

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

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

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

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

	public static ProductDAO getFromApplicationContext(
			ApplicationContext ctx) {
		return (ProductDAO) ctx.getBean("ProductEntityDAO");
	}
	public List search(ProductEntity instance)
	{
		Session session=this.getSession();
		Criteria c=session.createCriteria(ProductEntity.class);
		if(null!=instance)
		{
			if(instance.getProdName()!=null&&!instance.getProdName().equals(""))
			{
				c.add(Restrictions.like("prodName", instance.getProdName(),MatchMode.ANYWHERE));
				
			}
			if(instance.getProdType()!=null&&!instance.getProdType().equals(""))
			{
				c.add(Restrictions.like("prodType", instance.getProdType(),MatchMode.ANYWHERE));
				
			}
			if(!instance.getProdBatch().equals("")&&instance.getProdBatch()!=null)
			{
				c.add(Restrictions.like("prodBatch", instance.getProdBatch(),MatchMode.ANYWHERE));
				
			}
			
		}
		c.addOrder(Order.asc("prodId"));
		return c.list();
		
	}
	/**
	 * 分页
	 */
	public List fenye(Integer pagNow)
	{
		String HQL="from ProductEntity";
		Query query=this.getSession().createQuery(HQL);
		int pagesie=5;
		query.setFirstResult((pagNow-1)*pagesie);
		query.setMaxResults(pagesie);
		return query.list();
	}
	public int count()
	 {
		 String hql="select count(de) from ProductEntity de ";
		 Query query=this.getSession().createQuery(hql);
		 int count=(Integer)query.uniqueResult();
		 return count;
	 }
}