moduledaoimpl.java

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package yyxtong.hibernate.dao.baseimpl;

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 yyxtong.hibernate.dao.base.IModuleDAO;
import yyxtong.hibernate.pojo.Module;

/**
 * A data access object (DAO) providing persistence and search support for
 * Module 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 yyxtong.hibernate.pojo.Module
 * @author MyEclipse Persistence Tools
 */

public class ModuleDAOImpl extends HibernateDaoSupport implements IModuleDAO {
	private static final Log log = LogFactory.getLog(ModuleDAOImpl.class);
	// property constants
	public static final String MODULE = "module";

	protected void initDao() {
		// do nothing
	}

	/* (non-Javadoc)
	 * @see yyxtong.hibernate.dao.baseimpl.IModuleDAO#save(yyxtong.hibernate.pojo.Module)
	 */
	public void save(Module transientInstance) {
		log.debug("saving Module instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see yyxtong.hibernate.dao.baseimpl.IModuleDAO#delete(yyxtong.hibernate.pojo.Module)
	 */
	public void delete(Module persistentInstance) {
		log.debug("deleting Module instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see yyxtong.hibernate.dao.baseimpl.IModuleDAO#findById(java.lang.Integer)
	 */
	public Module findById(java.lang.Integer id) {
		log.debug("getting Module instance with id: " + id);
		try {
			Module instance = (Module) getHibernateTemplate().get(
					"yyxtong.hibernate.pojo.Module", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see yyxtong.hibernate.dao.baseimpl.IModuleDAO#findByExample(yyxtong.hibernate.pojo.Module)
	 */
	public List findByExample(Module instance) {
		log.debug("finding Module 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;
		}
	}

	/* (non-Javadoc)
	 * @see yyxtong.hibernate.dao.baseimpl.IModuleDAO#findByProperty(java.lang.String, java.lang.Object)
	 */
	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Module instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Module as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see yyxtong.hibernate.dao.baseimpl.IModuleDAO#findByModule(java.lang.Object)
	 */
	public List findByModule(Object module) {
		return findByProperty(MODULE, module);
	}

	/* (non-Javadoc)
	 * @see yyxtong.hibernate.dao.baseimpl.IModuleDAO#findAll()
	 */
	public List findAll() {
		log.debug("finding all Module instances");
		try {
			String queryString = "from Module";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see yyxtong.hibernate.dao.baseimpl.IModuleDAO#merge(yyxtong.hibernate.pojo.Module)
	 */
	public Module merge(Module detachedInstance) {
		log.debug("merging Module instance");
		try {
			Module result = (Module) getHibernateTemplate().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see yyxtong.hibernate.dao.baseimpl.IModuleDAO#attachDirty(yyxtong.hibernate.pojo.Module)
	 */
	public void attachDirty(Module instance) {
		log.debug("attaching dirty Module instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see yyxtong.hibernate.dao.baseimpl.IModuleDAO#attachClean(yyxtong.hibernate.pojo.Module)
	 */
	public void attachClean(Module instance) {
		log.debug("attaching clean Module instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

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