categorydaohibernateimpl.java

来自「Hibernate (著译者: 陈天河等)项目开发宝典本书以Hibernate为」· Java 代码 · 共 54 行

package cn.hxex.library.dao.hibernate;

import java.util.List;

import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import cn.hxex.library.dao.CategoryDao;
import cn.hxex.library.model.Category;

/**
 * CategoryDao的Hibernate实现类
 * 
 * @author galaxy
 *
 */
public class CategoryDaoHibernateImpl 
			extends HibernateDaoSupport 
			implements CategoryDao
{

	public Category saveCategory(Category category)
	{
		this.getHibernateTemplate().save( category );
		this.getHibernateTemplate().flush();
		return category;
	}

	public List getAllCategorys()
	{
		String sql = "from Category c order by c.name";
		return this.getHibernateTemplate().find( sql );
	}

	public void deleteCategory(Category category)
	{
		this.getHibernateTemplate().delete( category );
	}

	public Category getCategory(String categoryId)
	{
		Category category = (Category)this.getHibernateTemplate()
			.get( Category.class, categoryId );
		return category;
	}

	public Category updateCategory(Category category)
	{
		this.getHibernateTemplate().update( category );
		this.getHibernateTemplate().flush();
		return category;
	}

}