usersdao.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.IUserDAO;
import org.imm.model.Users;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;


public class UsersDAO extends HibernateDaoSupport implements IUserDAO {

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

	// property constants
	public static final String USERNAME = "username";

	public static final String PASSWORD = "password";

	protected void initDao() {
		// do nothing
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.imm.dao.hibernate.IUserDAO#save(org.imm.model.Users)
	 */
	public void save(Users transientInstance) {
		log.debug("saving Users instance");
		try {
			getHibernateTemplate().saveOrUpdate(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.imm.dao.hibernate.IUserDAO#delete(org.imm.model.Users)
	 */
	public void delete(Users persistentInstance) {
		log.debug("deleting Users 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.IUserDAO#findById(java.lang.Integer)
	 */
	public Users findById(java.lang.Integer id) {
		log.debug("getting Users instance with id: " + id);
		try {
			Users instance = (Users) getHibernateTemplate().get(
					"org.imm.model.Users", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Users instance) {
		log.debug("finding Users 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 Users instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Users as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.imm.dao.hibernate.IUserDAO#findByUsername(java.lang.Object)
	 */
	public List findByUsername(Object username) {
		return findByProperty(USERNAME, username);
	}

	public List findByPassword(Object password) {
		return findByProperty(PASSWORD, password);
	}

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

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

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

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

	//////////////////////////////////////////////////////////////////
	public List getUsers(Users users) {

		return getHibernateTemplate().find("from Users");
	}
	
	
	public void saveOrUpdate(Users user,Integer id){
		String queryString = "insert into Users values=?"+user+"where userid=?"+id;
		getHibernateTemplate().save(user,queryString);
	}
	
	public List getRoles(Integer userid){
		List list=getHibernateTemplate().find("select b from Usersrole a,Role b where a.roleid=b.roleid and a.userid=?",new Integer(userid));
		return list;
	}
	
}