Friday, 17 January 2014

Software Engineering - I CS504 Assignments No.03 Solutions 21st January 2014

Assignment No. 03 Semester Fall 2013 Software Engineering I – CS504
Graded
Total Marks: 20
Due Date: 17-01-2014

Project Description:
Instant messaging is a fast and popular, low cost, lightweight communication medium and is very affective in-home online socializing to business related communication. Instant messaging is now a significant area of research and development.
Instant Messaging is defined as “the act of instantly communicating between two or more people over a network such as the Internet”. Another way to look at instant messaging is to think of it as a form of “instant email”. A client program known as “ABC MESSENGER” (like Yahoo or any other chat Messenger) is needed for instant messaging. Details of our chat application “ABC MESSENGER ”is:
Features and Functions:
We want to build an Instant Messenger by using client server architecture. It will get authentication from main server and after login client can perform regular functions.
After the client logs in with the main authentication server, a connection is built with chat server. The same connection is used for all instant messages and chat sessions.
This Chat Messenger has multi-features that support ABC Messenger. It will support standard features as :
 Connection to the instant Messenger server
 Instant Messaging
 Contact list management (Categories like Friends, Family, Colleague etc)
 Sorting of contacts
 Offline messages feature (left for the contacts that are not online at the moment)
 Chat rooms Managements
 Text formatting for the messages
 Smiley can be included in the instant messages
 Allowing status changing
By Considering the above scenario you are required to Draw Object Model for “ABC MESSENGER”. UML Object Diagram should be comprehensive and must contain:
1. All possible objects Marks 5
2. Possible attributes for each object Marks 5
3. Operations of each object Marks 5
4. Relationships among different objects for example Inheritance, Aggregation, composition, Association etc. Marks 5
Note:
o You need to mention all objects, attributes, operations and relationships with standard notations in the model diagram, No need to write down separately.
o Assignment should not be copied from net, handouts, books or any fellow.

Solution :


UMLobjectdiagramtemplate