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Designing and Programming CICS Applicationsby John Horswill
Synopses & Reviews
CICS is an application server that delivers industrial-strength, online transaction management for critical enterprise applications. Proven in the market for over 30 years with many of the world's leading businesses, CICS enables today's customers to modernize and extend their applications to take advantage of the opportunities provided by e-business while maximizing the benefits of their existing investments.
Designing and Programming CICS Applications will benefit a diverse audience. It introduces new users of IBM's mainframe (OS/390) to CICS features. It shows experienced users how to integrate existing mainframe systems with newer technologies, including the Web, CORBA, Java, CICS clients, and Visual Basic; as well as how to link MQSeries and CICS.
Each part of Designing and Programming CICS Applications addresses the design requirements for specific components and gives a step-by-step approach to developing a simple application. The book reviews the basic concepts of a business application and the way CICS meets these requirements. It then covers a wide range of application development technologies, including VisualAge for Java, WebSphere Studio, and Visual Basic. Users learn not only how to design and write their programs but also how to deploy their applications.
Designing and Programming CICS Applications shows how to:
Whether for working with thousands of terminals or for a client/server environment with workstations and LANs exploiting modern technology such as graphical interfaces or multimedia, Designing and Programming CICS Applications delivers the power to create, modernize and extend CICS applications.
About the Author
John Horswill is a member of IBM's CICS User Technololgy team at IBM in Hursley Park, U.K. He has been involved in delivering information on various platforms, including OS/390, AIX, Solaris, Digital Unix, HP, and Windows NT, for the past 11 years. Before joining IBM, he worked in Further Education in England for many years. He graduated from London University and completed an M.Sc. in Applied Cell Science and Virology at Brunel University before turning his attention to computing. If you can't find him in his office or working from home, he is probably in his garden or hopefully "at the top of a mountain on a clear day."
Table of Contents
Preface; The Book’s Audience; Organization of the Book; About the CD-ROM; Conventions in This Book; How to Contact Us; Acknowledgments; Part I: Introduction to CICS; Chapter 1: Introduction; 1.1 The Essentials of a Business Application; 1.2 Business Applications as Creators of Value; 1.3 Using CICS for Business Applications; Chapter 2: Designing Business Applications; 2.1 The Heart of a Business Application; 2.2 How CICS Can Help the Application Designer; 2.3 Developing the Components of a Business Application; 2.4 What’s Next…; Chapter 3: Introducing the Sample Application; 3.1 The Business Case; 3.2 The Design of the Sample Application; 3.3 What’s Next…; Part II: The COBOL Business Logic Component; Chapter 4: Designing the Business Logic; 4.1 Understanding What COBOL Components Need to Do; 4.2 Incorporating CICS Design Guidelines; 4.3 Handling Data; 4.4 Designing the Individual Functions; 4.5 Mapping the Functions to CICS Programs; 4.6 Looking at the Business Logic Programs; 4.7 Summary; Chapter 5: Programming the COBOL Business Logic; 5.1 Writing CICS Programs in COBOL; 5.2 Handling Files; 5.3 Saving Data: Using a Scratchpad Facility; 5.4 Controlling Programs; 5.5 Abending a Transaction; 5.6 Queuing Facilities: Temporary Storage and Transient Data; 5.7 Handling Errors; 5.8 What’s Next…; Part III: The CICS Java Component; Chapter 6: Designing the CICS Java Component; 6.1 Background to Java and CORBA in a CICS Environment; 6.2 Understanding What This Component Needs to Do; 6.3 Describing a Customer Account Object with IDL; 6.4 Design of the CICS Java Component; 6.5 Implementing CICS Java Components; 6.6 What’s Next…; Chapter 7: Programming the CICS Java Component; 7.1 Tools; 7.2 Setting Up Your Development Environment; 7.3 Creating and Compiling the IDL Definition; 7.4 Writing the Server Implementation Class; 7.5 Exporting and Binding the Server Application to the CICS Region; 7.6 Creating the CORBA Client; 7.7 What’s Next…; Part IV: The Web Component; Chapter 8: Designing the Web Component; 8.1 Understanding What the Component Needs To Do; 8.2 Designing the Web Interface; 8.3 Designing the Web Server Components; 8.4 Designing the CORBA Client Implementation; 8.5 What’s Next…; Chapter 9: Programming the Web Component; 9.1 Tools; 9.2 Building the Web Site; 9.3 Programming the Web Server Components; 9.4 What’s Next…; Part V: The 3270 Interface; Chapter 10: Designing the Presentation Logic; 10.1 Understanding What the Presentation Logic Component Needs to Do; 10.2 Interface Design Principles; 10.3 Incorporating CICS Design Guidelines; 10.4 Designing the Functions; Chapter 11: Programming the 3270 Presentation Logic Component; 11.1 Defining Screens with Basic Mapping Support (BMS); 11.2 Symbolic Description Maps; 11.3 Sending a Map to a Terminal; 11.4 Local Printing (NACT03): Requests for Printing; 11.5 What’s Next…; Part VI: The Visual Basic Component; Chapter 12: Designing the Visual Basic Component; 12.1 Understanding What the Component Needs to Do; 12.2 Designing the Graphical User Interface; 12.3 Designing the Print Function; 12.4 Designing the Online Help; 12.5 Designing the Data Validation; 12.6 Designing Access to and Control of the CICS Application; 12.7 Designing Error Handling; Chapter 13: Programming the Visual Basic Program; 13.1 Writing the Graphical User Interface; 13.2 Implementing the Print Function; 13.3 Implementing the Online Help; 13.4 Implementing the Data Validation Code; 13.5 Accessing Applications on the CICS Server; 13.6 Communicating with CICS; 13.7 What’s Next….; Part VII: CICS and MQSeries; Chapter 14: Designing an Application to Use the MQSeries-CICS Bridge; 14.1 Background to MQSeries; 14.2 The MQSeries-CICS Bridge; 14.3 Designing the Graphical User Interface; 14.4 Designing the Java Application; 14.5 Configuring MQSeries; 14.6 Running CICS DPL Programs; 14.7 Why Design It This Way?; 14.8 What’s Next…; Chapter 15: Programming the MQSeries-CICS Bridge; 15.1 Building the Java GUI; 15.2 Coding the Java Application; 15.3 Setting Up MQSeries and CICS; 15.4 What’s Next…; Part VIII: Debugging; Chapter 16: Debugging in CICS; 16.1 CICS-Supplied Transactions; 16.2 EDF: Execution Diagnostic Facility; 16.3 Summary; Part IX: Appendices; Configuring Your CICS for OS/390 Environment; Getting Ready; Using the CD-ROM; Configuring the COBOL Component; Configuring the CICS Java Component; Using the PDF Files for the CICS Main Library; List of CD-ROM Files; Files Used by the COBOL Application; Glossary; Suggestions for Further Reading; Colophon;
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