usersroledao.java

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package org.imm.dao.hibernate;

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


public class UsersroleDAO extends HibernateDaoSupport implements IUsersroleDAO {

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

	//property constants
	public static final String USERID = "userid";
	public static final String ROLEID = "roleid";

	protected void initDao() {
		//do nothing
	}
    
    /* (non-Javadoc)
	 * @see org.imm.dao.hibernate.IUsersroleDAO#save(org.imm.model.Usersrole)
	 */
    public void save(Usersrole transientInstance) {
        log.debug("saving Usersrole instance");
        try {
            getHibernateTemplate().save(transientInstance);
            log.debug("save successful");
        } catch (RuntimeException re) {
            log.error("save failed", re);
            throw re;
        }
    }
    
	/* (non-Javadoc)
	 * @see org.imm.dao.hibernate.IUsersroleDAO#delete(org.imm.model.Usersrole)
	 */
	public void delete(Usersrole persistentInstance) {
        log.debug("deleting Usersrole instance");
        try {
            getHibernateTemplate().delete(persistentInstance);
            log.debug("delete successful");
        } catch (RuntimeException re) {
            log.error("delete failed", re);
            throw re;
        }
    }
    
    /* (non-Javadoc)
	 * @see org.imm.dao.hibernate.IUsersroleDAO#findById(java.lang.Integer)
	 */
    public Usersrole findById( java.lang.Integer id) {
        log.debug("getting Usersrole instance with id: " + id);
        try {
            Usersrole instance = (Usersrole) getHibernateTemplate()
                    .get("org.imm.model.Usersrole", id);
            return instance;
        } catch (RuntimeException re) {
            log.error("get failed", re);
            throw re;
        }
    }
    
    
    /* (non-Javadoc)
	 * @see org.imm.dao.hibernate.IUsersroleDAO#findByExample(org.imm.model.Usersrole)
	 */
    public List findByExample(Usersrole instance) {
        log.debug("finding Usersrole 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 Usersrole instance with property: " + propertyName
            + ", value: " + value);
      try {
         String queryString = "from Usersrole 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 findByUserid(Object userid) {
		return findByProperty(USERID, userid);
	}
	
	public List findByRoleid(Object roleid) {
		return findByProperty(ROLEID, roleid);
	}
	
    public Usersrole merge(Usersrole detachedInstance) {
        log.debug("merging Usersrole instance");
        try {
            Usersrole result = (Usersrole) getHibernateTemplate()
                    .merge(detachedInstance);
            log.debug("merge successful");
            return result;
        } catch (RuntimeException re) {
            log.error("merge failed", re);
            throw re;
        }
    }

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

	public static IUsersroleDAO getFromApplicationContext(ApplicationContext ctx) {
    	return (IUsersroleDAO) ctx.getBean("UsersroleDAO");
	}
	
	public void deleteUsersrole(Usersrole usersrole){
		List list=getHibernateTemplate().find("from Usersrole a where a.userid="+usersrole.getUserid()+"and a.roleid="+usersrole.getRoleid());
		for(int i=0;i<list.size();i++){
			usersrole=(Usersrole)list.get(i);
			getHibernateTemplate().delete(usersrole);
		}
	}
	
//	public void deleteUsersrole(Integer userid,Integer roleid){
//		Usersrole usersrole=new Usersrole();
//		usersrole.setUserid(userid);
//		usersrole.setRoleid(roleid);
//		List list=getHibernateTemplate().find("from Usersrole a where a.userid="+usersrole.getUserid()+"and a.roleid="+usersrole.getRoleid());
//		for(int i=0;i<list.size();i++){
//			usersrole=(Usersrole)list.get(i);
//			getHibernateTemplate().delete(usersrole);
//		}
//	}
}