Android Open Source - android-mvc-framework Friend D A O

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License

The source code is released under:

Apache License

Java Source Code

package com.android_mvc.sample_project.db.dao;
/* ww w  . j a  va 2 s  .c  o m*/
import java.util.ArrayList;

import com.android_mvc.sample_project.db.entity.Friend;
import com.android_mvc.framework.db.DBHelper;
import com.android_mvc.framework.db.dao.BaseDAO;

import android.content.Context;

/**
 * ???????????????????????
 * @author id:language_and_engineering
 */
public class FriendDAO extends BaseDAO<Friend>
{
    private DBHelper helper = null;


    public FriendDAO(Context context) {
        helper = new DBHelper(context);
    }


    // ------------ C --------------


    /**
     * 1???????????????
     */
    public Friend create(String name, Integer age, Boolean favoriteFlag)
    {
        // ?????????????
        Friend f = new Friend();
        f.setName(name);
        f.setAge( age );
        f.setFavorite_flag( favoriteFlag );

        // DB??
        f.save(helper);

        return f;
    }


    // ------------ R --------------


    /**
     * ???????????????????????????
     */
    public ArrayList<Friend> findAll()
    {
        return findAll(helper, Friend.class);
    }


    /**
     * ?????ID?????????????????
     */
    public Friend findById(Long friend_id)
    {
        return findById( helper, Friend.class, friend_id );
    }

        // NOTE: ?????????????????????????????????Finder??????????????
        // findAll?findById???????????


    // ------------ U --------------


    /**
     * ??????????????????????????????????????
     */
    public Friend invertFavoriteFlag( Long friend_id )
    {
        // id??????????
        Friend f = findById( friend_id );

        // ????????????
        f.setFavorite_flag( ! f.getFavorite_flag() );

        // DB??
        f.save(helper);

        return f;
    }


    // ------------ D --------------


    /**
     * ?????ID?????????????
     */
    public void deleteById( Long friend_id )
    {
        Friend f = findById(friend_id);

        // DB????????????
        f.delete(helper);
    }


}

Java Source Code List

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