臺灣博碩士論文加值系統

建構一個充分支援物件特性維繫之分散式
物件導向計算系統 王富仁＊
朱治平＊＊ 國立成功大學資
訊工程研究所 摘 要 隨著電腦科技的發展，分
散式應用系統的需求也逐漸增加，分散式物件導向計算環具備分散式計算特性及支援物件
導向應用計算的優點，有助於分散式應用軟體的開發。現今發展出的使用者層次分散式物
件導向計算系統對於物件封包(encapsulation)、多型(polymorphism)、繼承(inheritanc
e)、虛擬函數(virtual function)等特點並未能做充分的支援，使得程式設計師發展系統
時未能完全發揮物件導向的優點。 本論文提出一個在無作業系統支援下，於
一般使用者層次(user level)、在同質(homogeneous)機器上發展一個充分支援物件特性
維繫之分散式物件導向計算系統之設計，利用架構虛擬的集中式計算環境及分散式多緒執
行的方式，來解決分散式物件導向應用中物件的封包、多型、繼承、虛擬函數、指位器(p
ointer)等特性的維繫問題，實作證實所提之系統設計架構與理論均為可行。 ＊
作者 ＊＊指導教授

Developing A Fully OOPS (Object-Oriented Programming Style) -PreservedC
omputing System for Distributed C++ Applications Fu-Jen Wang* Chih-Ping Ch
u** Institute of Information Engineering
National Chen Kung University Tainan, Taiwan, R.O.C
. Abstract The rapid progress on computer te
chnology has led to the large demand of distributed application systems. The
distributed object-oriented computing environment provides the advantages of
distributed computing and object- oriented programming, being especially usef
ul for developing distributed application software. However, currently severa
l existing distributed object- oriented computing systems at user level fail
to fully support object*s features, such as encapsulation, polymorphism, inhe
ritance and virtual function, in object-oriented programming. Programmers the
refore cannot completely utilize the features of object to develop distribute
d systems. In this thesis, we propose a fully OOPS(Object-Oriented Programm
ing Style)- preserved computing system for Distributed C++ applications. The
proposed system is developed at user level without the need to modify the ope
rating system. We impose a virtual centralized computing environment and use
multi- thread technique to preserve the object*s features in distributed envi
ronment. The prototype of the system has shown the proposed techniques are ef
fective. * author ** advisor