sroledao.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 SRole.
 * 
 * @see com.support.hibernate.table.SRole
 * @author MyEclipse Persistence Tools
 */

public class SRoleDAO extends BaseHibernateDAO {
	private static final Log log = LogFactory.getLog(SRoleDAO.class);
	// property constants
	public static final String NAME = "name";
	public static final String DESCRIPTION = "description";
	public static final String DEPARTMENT_ID = "departmentId";

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

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

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

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

	public List findByDepartmentId(Object departmentId) {
		return findByProperty(DEPARTMENT_ID, departmentId);
	}

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

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

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

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