scholarly journals Implementation Of Business Policies Using Object Oriented Methodologies And Design Patterns

2020 ◽  
Author(s):  
Gholam Ali Shaykhian
Keyword(s):  
Design Patterns ◽  
Object Oriented ◽  
Business Policies

JAVASCRIPT ASYNCHRONOUS PROGRAMMING

2019 ◽  
Vol 128 (2B) ◽  
pp. 5-16
Author(s):  
Tran Thanh Luong ◽  
Le My Canh
Keyword(s):  
Design Patterns ◽  
Source Code ◽  
Object Oriented ◽  
Exception Handling ◽  
Code Smells ◽  
Asynchronous Programming ◽  
Event Driven ◽  
Programming Patterns ◽  
The Impact

JavaScript has become more and more popular in recent years because its wealthy features as being dynamic, interpreted and object-oriented with first-class functions. Furthermore, JavaScript is designed with event-driven and I/O non-blocking model that boosts the performance of overall application especially in the case of Node.js. To take advantage of these characteristics, many design patterns that implement asynchronous programming for JavaScript were proposed. However, choosing a right pattern and implementing a good asynchronous source code is a challenge and thus easily lead into less robust application and low quality source code. Extended from our previous works on exception handling code smells in JavaScript and exception handling code smells in JavaScript asynchronous programming with promise, this research aims at studying the impact of three JavaScript asynchronous programming patterns on quality of source code and application.

Object-oriented programming and design patterns

2001 ◽  
Vol 33 (4) ◽  
pp. 68-70 ◽  
Author(s):  
Joseph E. Lang ◽  
Brian R. Bogovich ◽  
Sean C. Barry ◽  
Brian G. Durkin ◽  
Michael R. Katchmar ◽  
...  
Keyword(s):  
Design Patterns ◽  
Object Oriented ◽  
Object Oriented Programming

A Study of Database Connection Pool

2014 ◽  
Vol 556-562 ◽  
pp. 5267-5270
Author(s):  
Tai Fa Zhang ◽  
Ya Jiang Zhang ◽  
Jun Yao
Keyword(s):  
Software Design ◽  
Design Patterns ◽  
Object Oriented ◽  
Access Time ◽  
Research Topics ◽  
Object Oriented Design ◽  
Java Language ◽  
Software Design Patterns ◽  
Connection Pool ◽  
Access Efficiency

Nowadays, object-oriented design is the trend of software design patterns, and the database connection pool is one of the important research topics. The paper firstly describes the basic principle of connection pool under traditional, tomcat and hibernate modes. Based on that, a new connection pool method is proposed, and these four methods are experimentally simulated in java language at last. The comparative analysis has verified that the presented connection pool owns the optimum access time and it can greatly improve the access efficiency of database.

Accessing Grid Metadata through a Web Interface

2012 ◽  
pp. 766-776
Author(s):  
Salvatore Scifo
Keyword(s):  
Design Patterns ◽  
Object Oriented ◽  
Standard Approach ◽  
Web Interface ◽  
Grid Middleware ◽  
Metadata Service

This chapter focuses on the efforts to design and develop a standard pure Java API to access the metadata service of the EGEE Grid middleware, and provide at the same time a powerful object oriented framework to allow engineers and programmers to embed metadata features inside their own application, using a standard approach based on design patterns. A specific Web interface is built on top of this framework that permits users and administrators to manage the metadata catalog, from any platform and everywhere, according to their own X.509-based credentials.

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