messagedao.java

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package mokoda.entity;

import java.util.ArrayList;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.criterion.Example;

/**
 * Data access object (DAO) for domain model class Message.
 * @see mokoda.entity.Message
 * @author MyEclipse - Hibernate Tools
 */
public class MessageDAO extends BaseHibernateDAO {

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

	//property constants
	public static final String TITLE = "title";
	public static final String CONTENT = "content";
	public static final String ISTPC = "istpc";
	public static final String TPCID = "tpcid";

    
    public void save(Message transientInstance) {
        log.debug("saving Message instance");
        try {
            getSession().save(transientInstance);
            log.debug("save successful");
        } catch (RuntimeException re) {
            log.error("save failed", re);
            throw re;
        }
    }
    
	public void delete(Message persistentInstance) {
        log.debug("deleting Message instance");
        try {
            getSession().delete(persistentInstance);
            log.debug("delete successful");
        } catch (RuntimeException re) {
            log.error("delete failed", re);
            throw re;
        }
    }
    
    public Message findById( java.lang.Integer id) {
        log.debug("getting Message instance with id: " + id);
        try {
            Message instance = (Message) getSession()
                    .get("mokoda.entity.Message", id);
            return instance;
        } catch (RuntimeException re) {
            log.error("get failed", re);
            throw re;
        }
    }
    
    
    public List findByExample(Message instance) {
        log.debug("finding Message instance by example");
        try {
            List results = getSession()
                    .createCriteria("mokoda.entity.Message")
                    .add(Example.create(instance))
            .list();
            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 Message instance with property: " + propertyName
            + ", value: " + value);
      try {
         String queryString = "from Message as model where model." 
         						+ propertyName + "= ?";
         Query queryObject = getSession().createQuery(queryString);
		 queryObject.setParameter(0, value);
		 return queryObject.list();
      } catch (RuntimeException re) {
         log.error("find by property name failed", re);
         throw re;
      }
	}

	public List findByTitle(Object title) {
		return findByProperty(TITLE, title);
	}
	
	public List findByContent(Object content) {
		return findByProperty(CONTENT, content);
	}
	
	public List findByIstpc(Object istpc) {
		return findByProperty(ISTPC, istpc);
	}
	
	public List findByTpcid(Object tpcid) {
		return findByProperty(TPCID, tpcid);
	}
	
    public Message merge(Message detachedInstance) {
        log.debug("merging Message instance");
        try {
            Message result = (Message) getSession()
                    .merge(detachedInstance);
            log.debug("merge successful");
            return result;
        } catch (RuntimeException re) {
            log.error("merge failed", re);
            throw re;
        }
    }

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

	/**
	 * @param msg
	 * @return
	 */
	public static List getAllMessages(Integer tpcid) {
		MessageDAO dao = new MessageDAO();
		Session session = dao.getSession();
		List list = session.createQuery("from Message m where m.id!="+ tpcid+" and m.tpcid="+tpcid).list();
		List<Message> msgs = new ArrayList<Message>();
		for(Object o: list){
			msgs.add((Message)o);
		}
		return msgs;
	}

	   
    public static Client getAuthor(Integer msgid){
    	Session session = new MessageDAO().getSession();
		Query query = session.createQuery("select mc.id.clientid from Msg2client mc where mc.id.msgid="+msgid);
		Client author = new ClientDAO().findById((Integer) query.list().get(0));
		return author;
    }
}