suserprojectdao.java

一个用ajax做的树行框架

package com.support.hibernate.table;

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.criterion.Example;

/**
 * Data access object (DAO) for domain model class SUserProject.
 * 
 * @see com.support.hibernate.table.SUserProject
 * @author MyEclipse Persistence Tools
 */

public class SUserProjectDAO extends BaseHibernateDAO {
	private static final Log log = LogFactory.getLog(SUserProjectDAO.class);
	// property constants
	public static final String USER_ID = "userId";
	public static final String PROJECT_ID = "projectId";
	public static final String STATUS = "status";

	public void save(SUserProject transientInstance) {
		log.debug("saving SUserProject instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(SUserProject persistentInstance) {
		log.debug("deleting SUserProject instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public SUserProject findById(java.lang.String id) {
		log.debug("getting SUserProject instance with id: " + id);
		try {
			SUserProject instance = (SUserProject) getSession().get(
					"com.support.hibernate.table.SUserProject", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(SUserProject instance) {
		log.debug("finding SUserProject instance by example");
		try {
			List results = getSession().createCriteria(
					"com.support.hibernate.table.SUserProject").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 SUserProject instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from SUserProject 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 findByUserId(Object userId) {
		return findByProperty(USER_ID, userId);
	}

	public List findByProjectId(Object projectId) {
		return findByProperty(PROJECT_ID, projectId);
	}

	public List findByStatus(Object status) {
		return findByProperty(STATUS, status);
	}

	public List findAll() {
		log.debug("finding all SUserProject instances");
		try {
			String queryString = "from SUserProject";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

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

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

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