entitydaoimpl.java

sping下勇Xdoclet开发hibernate的程序实例,版本hibernate2.0,开发工具eclipse3.0

/*
 * Created on 2004-11-19
 *
 */
package org.ggyy.dao.hibernate;

import org.ggyy.bo.Entity;
import org.ggyy.dao.IEntityDao;
import org.springframework.dao.DataAccessException;
import org.springframework.orm.hibernate.support.HibernateDaoSupport;

/**
 * @author jiangyubao
 *  EntityDao的实现
 */
abstract public class EntityDaoImpl extends HibernateDaoSupport implements
        IEntityDao {

    public Entity load(String id) throws DataAccessException {

        return (Entity) this.getHibernateTemplate().load(this.getEntityClass(),
                new Long(id));
    }

    public void store(Entity entity) throws DataAccessException {
        this.getHibernateTemplate().saveOrUpdate(entity);
    }

    public void delete(Entity entity) throws DataAccessException {
        this.getHibernateTemplate().delete(entity);
    }

    public void delete(String  id) throws DataAccessException {
        Entity entity = (Entity) this.getHibernateTemplate().load(
                this.getEntityClass(), new Long(id));
        this.getHibernateTemplate().delete(entity);
    }

    abstract protected Class getEntityClass();
}