librarydao.java

spring入门 spring入门spri ng入门 spring入门

package de.laliluna.library;
import java.util.List;
public interface LibraryDao {
/**
* gets id generated from db and insert book in database
* @param book
* @return book with new generated id
*/
public abstract Book insertBook(Book book);
/**
* updates the book in the database
* @param book
*/
public abstract void updateBook(Book book);
/**
* deletes book in the database
* @param book
*/
public abstract void deleteBook(Book book);
/**
* loads all books from the database and puts them in a java.util.List
* @return list of books
*/
public abstract List getBooks();
}