bookhibernatedao.java

一个简单的AJAX图书展示平台

package com.ascent.dao.hibernate;

import java.util.List;
import java.util.ArrayList;

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

import com.ascent.bean.Book;
import com.ascent.dao.IBookDAO;
public class BookHibernateDAO extends HibernateDaoSupport implements IBookDAO
{
	private static final String LOAD_ALL="from Book book";
	private static final String LOAD_BY_NAME="from Book book where book.bookName=?";
	
   public boolean saveNewBook(Book book)
   {
	   this.getHibernateTemplate().save(book);
	   return true;
   }
   public List findAll()
   {
	   try
	   {
		 return  this.getHibernateTemplate().find(LOAD_ALL);
	   }
	   catch(Exception ex)
	   {
		   return new ArrayList();
	   }
	 
   }
   public List findByBookName(String BookName)
   {
	   try
	   {
		return  this.getHibernateTemplate().find(LOAD_BY_NAME,BookName);  
	   }
	   catch(Exception ex)
	   {
		   return new ArrayList();
	   }
	  
   }
   
   public Book findByBookId(Integer id)
   {
		   return (Book)this.getHibernateTemplate().get(Book.class,id);
   }
   
   public void removeBook(Book book)
   {
	   this.getHibernateTemplate().delete(book);
   }
}