usergrouplinkdao.java

spring+hibernate+struts开发的校务oa系统

package com.yondor.oa.db.usergrouplink.dao;

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

import com.yondor.oa.db.message.dao.Message;
import com.yondor.oa.db.message.dao.MessageVO;
import com.yondor.oa.db.message.iface.IMessage;
import com.yondor.oa.db.operator.dao.OperatorVO;
import com.yondor.oa.db.usergrouplink.iface.IUserGroupLink;

/**
 * Data access object (DAO) for domain model class UserGrouplink.
 * 
 * @see com.yondor.oa.db.pojo.UserGrouplink
 * @author MyEclipse - Hibernate Tools
 */
public class UserGrouplinkDAO extends HibernateDaoSupport implements
		IUserGroupLink {

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

	// property constants

	protected void initDao() {
		// do nothing
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.yondor.oa.db.usergrouplink.dao.IUserGroupLink#save(com.yondor.oa.db.usergrouplink.dao.UserGrouplink)
	 */
	public void save(UserGrouplink transientInstance) {
		log.debug("saving UserGrouplink instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.yondor.oa.db.usergrouplink.dao.IUserGroupLink#delete(com.yondor.oa.db.usergrouplink.dao.UserGrouplink)
	 */
	public void delete(UserGrouplink persistentInstance) {
		log.debug("deleting UserGrouplink instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public List findByHql(StringBuffer hql) {
		return getHibernateTemplate().find(hql.toString());
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.yondor.oa.db.usergrouplink.dao.IUserGroupLink#findById(java.lang.Long)
	 */
	public UserGrouplink findById(java.lang.Long id) {
		log.debug("getting UserGrouplink instance with id: " + id);
		try {
			UserGrouplink instance = (UserGrouplink) getHibernateTemplate()
					.get("com.yondor.oa.db.pojo.UserGrouplink", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.yondor.oa.db.usergrouplink.dao.IUserGroupLink#findByExample(com.yondor.oa.db.usergrouplink.dao.UserGrouplink)
	 */
	public List findByExample(UserGrouplink instance) {
		log.debug("finding UserGrouplink 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;
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.yondor.oa.db.usergrouplink.dao.IUserGroupLink#findByProperty(java.lang.String,
	 *      java.lang.Object)
	 */
	public List findByProperty(String propertyName, Object value) {
		log.debug("finding UserGrouplink instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from UserGrouplink as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public Collection findByOperator(OperatorVO operatorVO) {
		DetachedCriteria dc = DetachedCriteria.forClass(UserGrouplink.class);
		dc.createAlias(OPERATOR, "operator").add(
				Expression.eq("operator.username", operatorVO.getUsername()));

		return findByCriteria(dc);
	}

	/**
	 *	查询方法
	 * @param paramVO
	 * @return
	 */
	public List query(UserGrouplinkVO paramVO) {

		DetachedCriteria dc = DetachedCriteria.forClass(UserGrouplink.class);

		if (null != paramVO.getUsergroup()) {
			dc.createAlias(IUserGroupLink.USERGROUP, "usergroup").add(
					Expression.eq("usergroup.usergroupid", paramVO
							.getUsergroup().getUsergroupid()));
		}
		
		if (null != paramVO.getOperator()) {
			dc.createAlias(IUserGroupLink.OPERATOR, "operator").add(
					Expression.eq("operator.operatorid", paramVO.getOperator()
							.getOperatorid()));
		}

		return findByCriteria(dc);
	}
	
	public List query(UserGrouplinkVO paramVO,int firstResult, int maxResult) {

		DetachedCriteria dc = DetachedCriteria.forClass(UserGrouplink.class);

		if (null != paramVO.getUsergroup()) {
			dc.createAlias(IUserGroupLink.USERGROUP, "usergroup").add(
					Expression.eq("usergroup.usergroupid", paramVO
							.getUsergroup().getUsergroupid()));
		}
		
		if (null != paramVO.getOperator()) {
			dc.createAlias(IUserGroupLink.OPERATOR, "operator").add(
					Expression.eq("operator.operatorid", paramVO.getOperator()
							.getOperatorid()));
		}

		return findByCriteria(dc,firstResult,maxResult);
	}
	
	public List findByCriteria(DetachedCriteria criteria, int firstResult,
			int maxResults) {
		return getHibernateTemplate().findByCriteria(criteria, firstResult,
				maxResults);
	}

	public List findByCriteria(DetachedCriteria dc) {
		return getHibernateTemplate().findByCriteria(dc);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.yondor.oa.db.usergrouplink.dao.IUserGroupLink#merge(com.yondor.oa.db.usergrouplink.dao.UserGrouplink)
	 */
	public UserGrouplink merge(UserGrouplink detachedInstance) {
		log.debug("merging UserGrouplink instance");
		try {
			UserGrouplink result = (UserGrouplink) getHibernateTemplate()
					.merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.yondor.oa.db.usergrouplink.dao.IUserGroupLink#attachDirty(com.yondor.oa.db.usergrouplink.dao.UserGrouplink)
	 */
	public void attachDirty(UserGrouplink instance) {
		log.debug("attaching dirty UserGrouplink instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.yondor.oa.db.usergrouplink.dao.IUserGroupLink#attachClean(com.yondor.oa.db.usergrouplink.dao.UserGrouplink)
	 */
	public void attachClean(UserGrouplink instance) {
		log.debug("attaching clean UserGrouplink instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

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