crmcontactdao.java

基于SSH (struts+spring+hibernate)框架设计的 CRM客户关系管理系统

package com.csu.crm.common.dao.original;

import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.csu.crm.common.vo.CrmContact;

/**
 * Data access object (DAO) for domain model class CrmContact.
 * 
 * @see com.csu.crm.common.vo.CrmContact
 * @author MyEclipse Persistence Tools
 */

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

	protected void initDao() {
		// do nothing
	}

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

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

	public CrmContact findById(java.lang.String id) {
		log.debug("getting CrmContact instance with id: " + id);
		try {
			CrmContact instance = (CrmContact) getHibernateTemplate().get(
					"com.csu.crm.common.vo.CrmContact", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(CrmContact instance) {
		log.debug("finding CrmContact 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 CrmContact instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from CrmContact 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 findAll() {
		log.debug("finding all CrmContact instances");
		try {
			String queryString = "from CrmContact";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

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

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

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

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