🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

🏠 Home 📰 News 🗂️ Usenet Search 🔑 Login 📝 Register
Article View: cn.bbs.comp.lang.java
Article #23514
Back to cn.bbs.comp.lang.java Previous Next

Re: �ϴ�Value Object�����������·�չ��

#23514
From: �㶹����
Date: Mon, 28 Jul 2003 10:50
22 lines
2976 bytes 
��л��Ĵ𸴣�
��ʵ��������Vector����ResultSet����ҷ��ظ�Servlet�ģ�����û�д���ȥ����
���Թ�HashSet��һ��û�гɹ���ֻ��String���ݳɹ��ˡ������˵���˼·���ҿ�����
û���õ����߰����ģʽ������Ҳû���õ�EJBʲô�ģ�����ֱ����Servlet��ѯ��ݿ�
Ȼ�󷵻ؽ����Dz���������˵��DukeBank�Dz���J2EE�Դ���Ǹ����ӣ�л�ˣ�

�� �� compl ( �Ԩ) �Ĵ������ᵽ: ��
: ������Vector, Vector�а��ResultSetҲ��Ҫ��Serilizable�IJ���,������ΪRMI
: ���صĹ���б�������еIJ���ͷ��ض����л�Ϊ��ݰ�, ���͸���÷�Ȼ��ԭΪ
: Java����, ���ResultSetû��ʵ��Serializable�ӿڵĻ���ô��Ͳ�������������
: ������, ��String��Ȼ��ʵ����Serializable�ӿ�, ���Ա�����.
: �һ�û�ж����ģʽ����ϸ�µ��о�, �������ValueObject Pattern��˵,���
: ValueObject��Բ�Ӧ������ݿ��ResultSet,y��Ϊ����䱾�����ڵ�������Լ���
: ������ǿ�ҵ�����, ����Ǹ�ResultSet��һ��������Collection,����iterator����
: enumeratorʵ��ResultSet�Ľӿ�, �������Ǵ����һ��ʵ����Ļ�, �����ǿ��Գɹ���
: ��������һ��DB VENDORs���Ʋ�������ʵ��, ����Ҳ�����Ǻܶ�����Ŀ���.
: ��ο�һ��DukesBank����, com.sun.ebank.util.*Details ��Щ��, ���ܾͻ����µ�
: .................������ʡ�ԣ�

--
http://bbs.sjtu.edu.cn/showfile?name=�š�Ь.jpg
�� ��Դ:����ˮ˼Դ bbs.sjtu.edu.cn��[FROM: 218.79.98.107]
Technical Details
Message-ID: <47RCD9$AeS@bbs.sjtu.edu.cn>
Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!sn-xit-02!sn-xit-03!sn-xit-01!sn-xit-09!supernews.com!64.152.100.70.MISMATCH!sjc70.webusenet.com!news.webusenet.com!maily.cic.tsinghua.edu.cn!news.neu.edu.cn!SJTU

Show Full Headers
Complete Article Headers 
X-Google-Language: Chinese,GB
X-Google-Thread: f6cb0,593e99003cca00fd
X-Google-Attributes: gidf6cb0,public
X-Google-ArrivalTime: 2003-07-28 03:53:56 PST
Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!sn-xit-02!sn-xit-03!sn-xit-01!sn-xit-09!supernews.com!64.152.100.70.MISMATCH!sjc70.webusenet.com!news.webusenet.com!maily.cic.tsinghua.edu.cn!news.neu.edu.cn!SJTU
From: peasefish.bbs@bbs.sjtu.edu.cn (�㶹����)
Newsgroups: cn.bbs.comp.lang.java
Subject: Re: �ϴ�Value Object�����������·�չ��
Date: 28 Jul 2003 10:50:48 GMT
Organization: ��ˮ˼Դ
Message-ID: <47RCD9$AeS@bbs.sjtu.edu.cn>
Mime-Version: 1.0
Content-Type: text/plain; charset="gb2312"
Content-Transfer-Encoding: 8bit
X-Filename: Java/M.1059389049.A
Lines: 22