VisualAge and Transaction Processing in a Client/Server Environment (Bk/Disk)

Preface. How This Document Is Organized. Related Publications. International Technical Support Organization Publications. International Technical Support. Organization on the World Wide Web. International Technical Support Organization on the Internet. VisualAge Support on CompuServe. About the Authors. Acknowledgments. 1. VISUALAGE AND TRANSACTIONAL OBJECTS. 1. Client/Server Environment. IBM's Client/Server Strategy: Open Blueprint. Focus on Customers. Focus on Servers. Open Blueprint. Benefits. Services. Choosing the Services to Use. Evolution of Client/Server Computing. Future of Open Blueprint. Object Management Group. 2. Client/Server Models. Distributed Presentation. Remote Presentation. Distributed Function. Remote Data Management. Distributed Data Management. 3. VisualAge Frameworks and Transaction Processing. VisualAge End-User Application Architecture. VisualAge Classes and Parts. Business Logic within Visual Parts. Business Logic within Nonvisual Parts. Implementing Business Logic. End-user Application Architecture Using Business Agents. VisualAge Communications Framework. Dialog Layer. System Layer. System Interface Layer. 4. Objects and Procedural Data Structures. Overview of Implementation Classes. AbtCompoundType. Responsibility. Creating an AbtCompoundType. AbtRecord. Responsibility. Creating an AbtRecord. Creating an AbtRecord Nonvisual Part. AbtForeignRecord. Responsibility. Creating an AbtForeignRecord. OSStruct. Responsibility. Creating an OSStruct Subclass. Expanding the Object Boundary into the Procedural World. Creating Business Agents. Defining Business Actions for Business Agents. 2. VISUALAGE TRANSACTION PROGRAMMING. 5. VisualAge Sample Applications. Overall Approach. Basic Procedural Applications. Common Data Record. Scope of Each Chapter. 6. VisualAge CICS Implementation. Overview. CICS Transaction Samples. CICS Intercommunication Functions. Function Shipping. Distributed Program Link. VisualAge Implementation of CICS Parts. Simple CICS Transaction Sample. Coding. Testing: Locally with CICS OS/2. Testing: Function Shipping to CICS/MVS. Testing: Distributed Program Link to CICS/MVS. Testing: Distributed Program Link to CICS/MVS and Function Shipping. CICS Proc Dialog Parts and Attributes. ProcDialog (AbtCICSProcDialog). fileRec (fileRec). connectionSpec (AbtCICSConnectionSpec). connection (AbtCICSOS2Transaction). LUWToken (Integer). lastError (AbtCICSOS2Error). Advanced Transaction Sample: CICS Logical Unit of Work. CICS Logical Unit of Work. LUW Terms. LUW Management Issues. CICS Logical Unit of Work (AbtCICSOS2Transaction). FileRecAbtForeignRecord (AbtForeignRecord). CICS Program (AbtCICSProgram). The Dream ATM Application. Prototyping. Developing. Application Architecture. ITSCAccountNV. ITSCCheckingAccountNV. ITSCSavingAccountNV. ITSCLogonPswNV. ITSCAccountView. ITSCCheckingAccountView. ITSCSavingAccountView. ITSCATMMainView. ITSCLogonPswView. ITSCAccountAbtForeignRecord. ITSCCheckingAccountCICS. ITSCSavingAccountCICS. ITSCCICSErrorView. Design Considerations. Pool Dictionary for Security. Defining Attributes of an Agent. Assigning Instance Variables to a Subpart. No Primary Subpart for Nonvisual Parts. Execution of a CICS Request. Logical Unit of Work per Agent. Multiple CICS Requests. CICS Error Handling. Merging Data Structures. Logical Unit of Work. Distributed Program Link. Using the COMMAREA. 7. VisualAge APPC Implementation. APPC Overview. What Is APPC? Terminology. Typical Transaction Flows. Inquiry Transaction (Request and Reply). Credit Check Transaction (Confirmed Delivery). File Transfer (Batch Send). Database Update Transaction (Conversational Reply). VisualAge Implementation of APPC Parts. Simple APPC Transaction Sample. Coding. Testing. APPC Proc Dialog Parts and Attributes. ProcDialog (AbtAPPCProcDialog). fileRec (fileRec). connectionSpec (AbtAPPCConnectionSpec). connection (AbtAPPCConversation). lastError (AbtAPPCError). aReception (AbtAPPCReception). Advanced Transaction Sample: APPC Multiple-Receive Dialog. Coding. Testing. 8. VisualAge TCP/IP Implementation. Overview. TCP/IP Protocol Suite. Sockets. Stream- and Record-Oriented Protocols. VisualAge Implementation of TCP/IP Parts. Simple TCP/IP Transaction Sample. Coding. Testing. TCP Proc Dialog Parts and Attributes. ProcDialog (AbtTCPProcDialog). fileRec (fileRec). connectionSpec (AbtTCPConnectionSpec). connection (AbtSocket). lastError (AbtTCPError). Advanced Transaction Sample: TCP/IP Stream Dialog. Coding. Testing. APPENDICES. A. Multitype Record Class Generator Tool. Problem Description. Installation under VisualAge Team. User's Guide. Invoking the Tool. Generated Classes. Use. Merging Data Structures by Use of a Buffer. AbtBuffer and AbtReusableBuffer. Generating the Individual Data Structure. Changes to ITSCCheckingAccountCICS. B. Communications Setup. Installation Checklist. APPC Setup Process. Communications Manager/2 Setup. Configuration. Network Definition File. CICS/ESA Setup Process. VTAM. CICS Definitions: Online. Setup Tables: Offline. Starting CICS. CICS OS/2 Setup Process. APPC and NetBIOS Requirements. CEDA: Online Definitions. TCP/IP Setup Process. C. CICS Installation Verification Procedures. Preparing IVPs. Running the IVP. D. Installation of Sample Code. E. Source Code Listings. CICSMVS1.CCP. APPCMVS1.CCP. APPCMVS3.CCP. TCPIMVS1.C. CICSOS21.CCP. F. Common Verbs and Class Methods. APPC Verbs. CPI-C Verbs. APPC Class Methods. TCP/IP Class Methods. Glossary. List of Abbreviations. Index.