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Computer-Aided Software Engineering . “Automating the process ...”. Lecture Objectives. To understand the role of automation in the software engineering process To describe the different types of CASE tools To discuss the importance of integration among the different CASE tools.

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computer aided software engineering
Computer-Aided Software Engineering

“Automating the process ...”

TCS2411 Software Engineering

lecture objectives
Lecture Objectives
  • To understand the role of automation in the software engineering process
  • To describe the different types of CASE tools
  • To discuss the importance of integration among the different CASE tools

TCS2411 Software Engineering

what is case
What is CASE?
  • CAD/CAM - Computer-aided design & manufacturing
  • Automated support for software engineering process
  • Provides engineer with ability to automate manual activities and improve engineering insight and quality
  • Can be single tool or complete environment

TCS2411 Software Engineering

building blocks for case
Building Blocks for CASE

CASE Tools

Integration Framework

Portability Services

Operating System

Hardware Platform

Environment Architecture

TCS2411 Software Engineering

taxonomy of case tools
Taxonomy of CASE Tools
  • Business Systems Planning
    • Information Engineering Tools
    • Process Modeling and Management Tools
  • Project Management
    • Project Planning Tools
    • Risk Analysis Tools
    • Project Management Tools
    • Requirements Tracing Tools
    • Metrics and Management Tools

TCS2411 Software Engineering

taxonomy of case tools continued
Taxonomy of CASE Tools (Continued)
  • Support Tools
    • Documentation Tools
    • System Software Tools
    • Quality Assurance Tools
    • Database Management Tools
    • Software Configuration Management Tools
  • Analysis and Design Tools
    • PRO/SIM Tools
    • Interface Design and Development Tools
    • Prototyping Tools

TCS2411 Software Engineering

taxonomy of case tools continued1
Taxonomy of CASE Tools (Continued)
  • Programming Tools
    • Integration and Testing Tools
    • Static Analysis Tools
    • Dynamic Analysis Tools
    • Test Management Tools
    • Client/Server Testing Tools
  • Maintenance Tools
    • Reengineering Tools

TCS2411 Software Engineering

integration options
Integration Options
  • Individual Tool (Point Solution)
  • Data Exchange
  • Tool Bridges & Partnerships
  • Consortium & Standards
  • Single Source
  • IPSE

TCS2411 Software Engineering

integration options diagram
Integration Options Diagram

Point Solution

Data Exchange

Tool Bridges &

Partnerships

Consortium &

Standards

Single Source

IPSE

TCS2411 Software Engineering

integrated case i case
Integrated CASE (I-CASE)
  • Integration of a variety of tools and information that enables closure of communication among tools, between people and across the software process
  • Combination of CASE tools in an environment where interface mechanisms are standardised

TCS2411 Software Engineering

i case features
I-CASE Features
  • All tools sharing SE information
  • Change of one item tracked to other items
  • Provide version control and configuration management
  • Direct access to any tool
  • Automated support for integration of tools & data into standard WBS

TCS2411 Software Engineering

i case features continued
I-CASE Features (Continued)
  • Consistent look & feel for each tool
  • Support communication among engineers
  • Collect management & technical metrics

TCS2411 Software Engineering

benefits of i case
Benefits of I-CASE
  • Smooth transfer of information from a tool to another and one SE step to the next
  • Reduction in effort to perform umbrella activities such as SCM, SQA and document production
  • increase in project control
  • Improved coordination among staff members in a large software project

TCS2411 Software Engineering

integration framework diagram
Integration Framework Diagram

User interface layer

- interface tool kit

- presentation protocol

Tools management services

CASE

tool

Tools layer

Object management layer

- integration services

- configuration management services

Shared repository layer

- CASE database

- access control functions

TCS2411 Software Engineering

integration framework
Integration Framework
  • User interface layer
    • incorporates standardised interface toolkit with common presentation protocol
    • human-computer interface, display objects, guidelines for same look & feel
  • Tools layer
    • tools management - control behaviour of tools
    • coordination of tasks, e.g. multitasking

TCS2411 Software Engineering

integration framework continued
Integration Framework (Continued)
  • Object management layer
    • configuration management functions
    • integration services - standard modules that couple tools with repository
  • Shared repository layer
    • CASE database
    • access control functions - enable object management layer interact with database

TCS2411 Software Engineering

process integration
Process Integration

carry out

support

CASE

Tools

Activities

Users

calls

advises

generate

Process

Interpreter

Process

model

Results

TCS2411 Software Engineering

case workbenches
CASE Workbenches
  • Set of tools which supports a particular phase of the software process e.g. design
  • Advantage - tools can work together to provide more comprehensive support
  • Common services can be implemented and called by all the tools
  • Integration possible through shared files, shared repository, or shared data structures

TCS2411 Software Engineering

programming workbenches
Programming workbenches
  • Language compiler
  • Structured editor
  • Linker
  • Loader
  • Cross-referencer
  • Prettyprinter
  • Static & Dynamic analyser
  • Interactive debugger

TCS2411 Software Engineering

analysis and design workbenches
Analysis and Design Workbenches
  • Diagram editors
  • Design analysis and checking tools
  • Repository
  • Repository query language
  • Report definition and generation tools
  • Forms definition
  • Import/export facilities
  • Code generators

TCS2411 Software Engineering

testing workbenches
Testing workbenches
  • Test manager
  • Test data generator
  • Oracle - generates predicted results
  • File comparator
  • Report generator
  • Dynamic analyser
  • Simulator

TCS2411 Software Engineering

examples of case tools
Examples of CASE Tools
  • With Class - object-oriented design and code generation
  • Eiffelbench - object-oriented programming and debugging
  • Oracle Designer/2000 - integrated CASE environment

TCS2411 Software Engineering

with class
With Class
  • Design objects - identifying attributes and operations
  • Specifying relationships
  • Diagramming for various methodologies
  • Code generation for various languages

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eiffelbench
Eiffelbench
  • Based on Eiffel language (an object-oriented language)
  • For development and debugging of program
  • Consists of tools such as:
    • Project Tool
    • System Tool
    • Class Tool
    • Feature Tool
    • Object Tool

TCS2411 Software Engineering

oracle designer 2000
Oracle Designer/2000
  • Repository Administration
  • Process Modeler
  • Entity Relationship Diagrammer
  • Function Hierarchy Diagrammer
  • Dataflow Diagrammer
  • System Designer
  • Utilities

TCS2411 Software Engineering

references
References
  • “Software Engineering: A Practitioner’s Approach” 5th Ed. by Roger S. Pressman, Mc-Graw-Hill, 2001
  • “Software Engineering” by Ian Sommerville, Addison-Wesley, 2001

TCS2411 Software Engineering