bookdao.java

学习Struts2 Spring Hibernate的好例子

package com.firstssh.dao.impl;

import java.io.Serializable;
import java.util.List;

import com.firstssh.common.dao.GenericDao;
import com.firstssh.dao.IBookDao;
import com.firstssh.model.Book;
import com.firstssh.model.User;

public class BookDao extends GenericDao<Book,Integer> implements IBookDao{

	public List<Book> findAllBook() {
		// TODO Auto-generated method stub
		return (List<Book>)find("from Book");
	}

	public boolean addBook(Book book) {
		// TODO Auto-generated method stub
		this.getHibernateTemplate().save(book);
		return true;
	}

	public boolean delBook(int bookid) {
		// TODO Auto-generated method stub
		Object obj=this.getHibernateTemplate().get(Book.class, bookid);
		this.getHibernateTemplate().delete(obj);
		return true;
	}

	public Book findOneBook(int bookid) {
		// TODO Auto-generated method stub
		List<Book> book=this.getHibernateTemplate().find("from Book as book where book.id=?",bookid);
		if(book!=null&&book.size()>=1){
			return book.get(0);
		}
		return null;
	}

	public boolean updateBook(Book book) {
		// TODO Auto-generated method stub
		this.getHibernateTemplate().update(book);
		return true;
	}
}