forumdao.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 Forum.
 * @see mokoda.entity.Forum
 * @author MyEclipse - Hibernate Tools
 */
public class ForumDAO extends BaseHibernateDAO {

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

	//property constants
	public static final String NAME = "name";
	public static final String HOSTID = "hostid";

    
    public void save(Forum transientInstance) {
        log.debug("saving Forum instance");
        try {
            getSession().save(transientInstance);
            log.debug("save successful");
        } catch (RuntimeException re) {
            log.error("save failed", re);
            throw re;
        }
    }
    
	public void delete(Forum persistentInstance) {
        log.debug("deleting Forum instance");
        try {
            getSession().delete(persistentInstance);
            log.debug("delete successful");
        } catch (RuntimeException re) {
            log.error("delete failed", re);
            throw re;
        }
    }
    
    public Forum findById( java.lang.Integer id) {
        log.debug("getting Forum instance with id: " + id);
        try {
            Forum instance = (Forum) getSession()
                    .get("mokoda.entity.Forum", id);
            return instance;
        } catch (RuntimeException re) {
            log.error("get failed", re);
            throw re;
        }
    }
    
    
    public List findByExample(Forum instance) {
        log.debug("finding Forum instance by example");
        try {
            List results = getSession()
                    .createCriteria("mokoda.entity.Forum")
                    .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 Forum instance with property: " + propertyName
            + ", value: " + value);
      try {
         String queryString = "from Forum 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 findByName(Object name) {
		return findByProperty(NAME, name);
	}
	
	public List findByHostid(Object hostid) {
		return findByProperty(HOSTID, hostid);
	}
	
    public Forum merge(Forum detachedInstance) {
        log.debug("merging Forum instance");
        try {
            Forum result = (Forum) getSession()
                    .merge(detachedInstance);
            log.debug("merge successful");
            return result;
        } catch (RuntimeException re) {
            log.error("merge failed", re);
            throw re;
        }
    }

    public void attachDirty(Forum instance) {
        log.debug("attaching dirty Forum instance");
        try {
            getSession().saveOrUpdate(instance);
            log.debug("attach successful");
        } catch (RuntimeException re) {
            log.error("attach failed", re);
            throw re;
        }
    }
    
    public void attachClean(Forum instance) {
        log.debug("attaching clean Forum instance");
        try {
            getSession().lock(instance, LockMode.NONE);
            log.debug("attach successful");
        } catch (RuntimeException re) {
            log.error("attach failed", re);
            throw re;
        }
    }
    
    public static List<Forum> getAllForums(){
    	Query query = new ForumDAO().getSession().createQuery("from Forum");
    	List list = query.list();
    	List<Forum> frms = new ArrayList<Forum>();
    	for(Object i: list){
    		frms.add((Forum)i);
    	}
    	return frms;
    }

	/**
	 * @param id
	 * @return
	 */
	public static List getAllTpcs(Integer id) {
		Session session = new ForumDAO().getSession();
		Query query = session.createQuery("select tf.id.tpcid from Tpc2frm tf where tf.id.frmid="+id);
		List tpcids = query.list();
		List<Message> tpcs = new ArrayList<Message>();
		MessageDAO mdao = new MessageDAO();
		for(Object tempid: tpcids){
			tpcs.add(mdao.findById((Integer)tempid));
		}
		return tpcs;
	}
}