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Toolkit Part 2

Toolkit Part 2. Toolkit Objectives . Explain CASE tools and the concept of a CASE environment Trace the history of CASE tools and their role in a fourth-generation environment

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Toolkit Part 2

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  1. Toolkit Part 2

  2. Toolkit Objectives • Explain CASE tools and the concept of a CASE environment • Trace the history of CASE tools and their role in a fourth-generation environment • Define CASE terms and concepts, including a repository, modeling tools, documentation tools, engineering tools, and construction tools

  3. Toolkit Objectives • Explain an integrated development environment • Provide examples of CASE tools features • Describe future trends for CASE tools, including new developments and the emerging role of object-oriented analysis and design

  4. Introduction • Computer-aided systems engineering (CASE), also called computer-aided software engineering, is a technique that uses powerful software, called CASE tools • You will learn about integrated software development environments

  5. Overview of CASE Tools • CASE tools can reduce costs, speed up development, and provide comprehensive documentation that can be used for future maintenance or enhancements • CASE Environment • CASE Tools History • As early as the 1960s • Forty years ago – procedural languages

  6. Overview of CASE Tools • CASE Tools History • Modern languages – non-procedural or event-driven • Object-oriented programming languages (OOPL) • Fourth-generation languages (4GLs) • Fourth-generation environment

  7. Overview of CASE Tools • The Marketplace for CASE Tools • Includes a wide variety of vendors and products, and no one tool dominates the market • The first step in learning about CASE tools is to understand basic CASE terms and concepts

  8. CASE Terms and Concepts • A typical CASE tool is actually a set of individual tools that share a repository of information • Repository • When you define a data element in the repository, you can assign a data type and format, a range of acceptable values, and one or more aliases • Alias

  9. CASE Terms and Concepts • Individual Tools • Modeling tools • Documentation tools • Engineering tools • Forward engineering • Reverse engineering

  10. CASE Terms and Concepts • Individual Tools • Construction tools • Application generator – code generator • Screen generator • Report generator – report writer • Mock-up report

  11. Integrated Development Environments • Integrated development environment (IDE) • Examples of Integrated Development Environments • Oracle Designer • Microsoft’s Visual Studio .NET

  12. Integrated Development Environments • Pros and Cons of Integrated Development Tools • Is highly effective because it is an integral part of the vendor’s software package • The only possible disadvantage is that each IDE is different, and requires a learning curve and skills that might or might not be readily transferable • CASE tools can be used in any development environment

  13. CASE Tool Examples • You can choose from dozens of vendors and CASE tools that offer a wide range of functions • Three leading CASE tool suppliers: Visible Systems Corporation, Popkin Software, and Rational Software

  14. CASE Tool Examples • Visible Analyst • Visible Systems Corporation is an important player in the software development market • Can generate many types of models and diagrams

  15. CASE Tool Examples • System Architect • Popkin states that its product is the first fully integrated modeling tool to unify the enterprise with complete business and systems information management • Offers numerous diagrams and definitions • Also offers extensive tutorials

  16. CASE Tool Examples • Rational Software • IBM’s Rational Software offers a wide range of systems development and modeling products • Rational Software Architect • Rational Edge

  17. Future Trends • Will consist of cross-platform tools that are capable of working with data and business processes both within the enterprise and from outside customers and suppliers • Will undoubtedly be planned, constructed, and maintained with a new generation of CASE tools

  18. Future Trends • New Features • Framework Manager • Lines between traditional CASE tools and other modeling tools continue to blur • Microsoft Visio • Another trend is represented by Microsoft’s Visual Studio .NET

  19. Future Trends • The Emerging Role of Object-Oriented Analysis and Design • Structured analysis • Systems development life cycle (SDLC) • Object-oriented analysis and design (OOAD) is gaining popularity • Features of an O-O approach include modular design and reusable code that easily can be combined and reassembled into new components

  20. Toolkit Summary • CASE tools are software programs that system developers use to help them design and construct information systems • A repository is a database that serves as a central storage location for all information about the system being developed • An integrated set of CASE tools can be used to model, document, engineer, and construct the information system

  21. Toolkit Summary • Forward engineering means translating business processes and functions into applications • Two trends seem clear: CASE tool vendors will continue to include powerful new features, and the popularity of object-oriented tools will continue to grow • Toolkit Part 2 complete

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