classstatesdao.java

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package com.zbaccp.ea.dao.impl;

import java.util.List;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.zbaccp.ea.entity.Classstates;

/**
 * A data access object (DAO) providing persistence and search support for
 * Classstates entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see com.zbaccp.ea.entity.Classstates
 * @author MyEclipse Persistence Tools
 */

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

	protected void initDao() {
		// do nothing
	}

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

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

	public Classstates findById(java.lang.String id) {
		log.debug("getting Classstates instance with id: " + id);
		try {
			Classstates instance = (Classstates) getHibernateTemplate().get(
					"com.zbaccp.ea.entity.Classstates", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

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

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

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

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

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