customerdao.java

本项目源码是一个真实的应用项目

package org.langsin.computer.dao.impl;

import java.util.Date;
import java.util.List;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.langsin.computer.vo.Customer;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

/**
 * Data access object (DAO) for domain model class Customer.
 * @see org.langsin.computer.vo.Customer
 * @author MyEclipse - Hibernate Tools
 */
public class CustomerDAO extends HibernateDaoSupport {

    private static final Log log = LogFactory.getLog(CustomerDAO.class);

	//property constants
	public static final String IDCARD = "idcard";
	public static final String COMPANYNAME = "companyname";
	public static final String PHONE = "phone";
	public static final String MOBILEPHONE = "mobilephone";
	public static final String ADDRESS = "address";
	public static final String LINKMAN = "linkman";
	public static final String EMAIL = "email";

	protected void initDao() {
		//do nothing
	}
    
    public void save(Customer transientInstance) {
        log.debug("saving Customer instance");
        try {
            getHibernateTemplate().save(transientInstance);
            log.debug("save successful");
        } catch (RuntimeException re) {
            log.error("save failed", re);
            throw re;
        }
    }
    
	public void delete(Customer persistentInstance) {
        log.debug("deleting Customer instance");
        try {
            getHibernateTemplate().delete(persistentInstance);
            log.debug("delete successful");
        } catch (RuntimeException re) {
            log.error("delete failed", re);
            throw re;
        }
    }
    
    public Customer findById( java.lang.Integer id) {
        log.debug("getting Customer instance with id: " + id);
        try {
            Customer instance = (Customer) getHibernateTemplate()
                    .get("org.langsin.computer.vo.Customer", id);
            return instance;
        } catch (RuntimeException re) {
            log.error("get failed", re);
            throw re;
        }
    }
    
    
    public List findByExample(Customer instance) {
        log.debug("finding Customer 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 Customer instance with property: " + propertyName
            + ", value: " + value);
      try {
         String queryString = "from Customer 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 findByIdcard(Object idcard) {
		return findByProperty(IDCARD, idcard);
	}
	
	public List findByCompanyname(Object companyname) {
		return findByProperty(COMPANYNAME, companyname);
	}
	
	public List findByPhone(Object phone) {
		return findByProperty(PHONE, phone);
	}
	
	public List findByMobilephone(Object mobilephone) {
		return findByProperty(MOBILEPHONE, mobilephone);
	}
	
	public List findByAddress(Object address) {
		return findByProperty(ADDRESS, address);
	}
	
	public List findByLinkman(Object linkman) {
		return findByProperty(LINKMAN, linkman);
	}
	
	public List findByEmail(Object email) {
		return findByProperty(EMAIL, email);
	}
	
    public Customer merge(Customer detachedInstance) {
        log.debug("merging Customer instance");
        try {
            Customer result = (Customer) getHibernateTemplate()
                    .merge(detachedInstance);
            log.debug("merge successful");
            return result;
        } catch (RuntimeException re) {
            log.error("merge failed", re);
            throw re;
        }
    }

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

	public static CustomerDAO getFromApplicationContext(ApplicationContext ctx) {
    	return (CustomerDAO) ctx.getBean("CustomerDAO");
	}
}