frienddao.java

STRUTS数据库项目开发宝典

package com.relationinfo.dao;

import java.util.List;

import com.relationinfo.model.Friend;

public interface FriendDAO extends DAO {

    /**
     * Retrieves all of the friends
     */
    public List getFriends(Friend friend);

    /**
     * Gets friend's information based on primary key. An
     * ObjectRetrievalFailureException Runtime Exception is thrown if 
     * nothing is found.
     * 
     * @param friendcode the friend's friendcode
     * @return friend populated friend object
     */
    public Friend getFriend(final String friendcode);

    /**
     * Saves a friend's information
     * @param friend the object to be saved
     */	
    public void saveFriend(Friend friend);

	/**
     * Removes a friend from the database by friendcode
     * @param friendcode the friend's friendcode
     */
    public void removeFriend(final String friendcode);
}