1. Software Engineering Chapter: Computer Aided Software Engineering 1 Chapter : Computer Aided Software Engineering

2. Software Engineering Chapter: Computer Aided Software Engineering  What is CASE Tool?  Purpose of CASE  Building Block of CASE  Integrated Approach for CASE Environment  Benefits  Challenges  Architecture Topic Covered

3. Software Engineering Chapter: Computer Aided Software Engineering  CASE tools provides the software engineer with the ability to automate manual activities and to improve engineering task.  It can assist to perform various activities such as analysis, design, coding and testing.  With the help of CASE tools development process reduces the amount of effort. Introduction on CASE

4. Software Engineering Chapter: Computer Aided Software Engineering  CASE tools are programs that automate or support one or more phases in a SW development life cycle  Purpose:  increase the speed of SW development activities  increase the SW productivity  improve the quality of the SW developed Introduction on CASE

5. Software Engineering Chapter: Computer Aided Software Engineering  CASE tools may exist as a single tools or a collection of multiple tools.  Tool must communicate with various element such as hardware, database, people, network, OS and so on.  In blocks, Environment architecture, composed of the hardware platform and system support (including networking software, database management), lays the ground work for CASE. Building Block of CASE Tools

6. Software Engineering Chapter: Computer Aided Software Engineering Building Block of CASE Tools

7. Software Engineering Chapter: Computer Aided Software Engineering  A set of portability services provides a bridge between CASE tools + integration framework + environment architecture.  Integration framework : collection of specialized programs that enables individual CASE tools to :  communicate with one another  create a project data base  display the same look and feel to the SW engineer Building Block of CASE Tools

8. Software Engineering Chapter: Computer Aided Software Engineering  CASE tool may exist in variety of manner.  A single CASE tool can be used or a collection of CASE tools may exists which acts as some package. Building Block of CASE Tools

9. Software Engineering Chapter: Computer Aided Software Engineering  Real power of CASE can be achieved only through integration  Benefits of integrated CASE (I-CASE) include  Smooth transfer of information from one tool to another and one software engineering step to the next;  Reduction in the effort  increase in project control  Improve staff coordination INTEGRATED CASE ENVIRONMENTS

10. Software Engineering Chapter: Computer Aided Software Engineering Challenges of I-CASE  Consistent representations of SE information  Standardized interfaces between tools  Homogeneous mechanism for communication between SW engineer and each tool  An effective approach that will enable I- CASE to move among various HW platforms and OS INTEGRATED CASE ENVIRONMENTS

11. Software Engineering Chapter: Computer Aided Software Engineering  Here term integration implies both combination and closure.  To define integration in the context of the software engineering process, it is necessary to establish a set of requirements for I-CASE. INTEGRATED CASE ENVIRONMENTS

12. Software Engineering Chapter: Computer Aided Software Engineering  CASE tools create a pool of software engineering information.  I-CASE environment allows a transfer of information into and out of this pool.  To accomplish this, the following architectural components must exist:  Database - to store the information.  Object management system - to manage changes to the information  Control mechanism - to coordinate the use of CASE tools.  User interface INTEGRATED CASE ENVIRONMENTS

13. Software Engineering Chapter: Computer Aided Software Engineering INTEGRATED CASE ENVIRONMENTS

14. Software Engineering Chapter: Computer Aided Software Engineering  The user interface layer consists of  interface tool kit  presentation protocol  Interface tool kit - contains software for human/computer interface management and a library of display objects.  Presentation protocol - set of guidelines that gives all CASE tools the same look and feel. INTEGRATED CASE ENVIRONMENTS

15. Software Engineering Chapter: Computer Aided Software Engineering  Tools layer consists a set of Tools Management Services (TMS) with the CASE tool  TMS control the behavior of tools within the environment  TMS performs multitask synchronization and communication between layers.  Object Management Layer (OML) performs the configuration management functions INTEGRATED CASE ENVIRONMENTS

16. Software Engineering Chapter: Computer Aided Software Engineering  OMT provides the mechanism for tools integration.  Every CASE tool is "plugged into" the object management layer.  Shared Repository Layer is the CASE database and the access control functions that enable the object management layer to interact with the database. INTEGRATED CASE ENVIRONMENTS