Overview
Prerequisites
Delegates will learn how to
- describe the basic concepts, facilities and terminology of CICS
- describe the CICS functions available for program development
- explain the role of CICS in a distributed environment
- identify the major management modules and tables
- trace and describe the flow of a CICS transaction
- identify the CICS facilities used for accessing data.
Outline
CICS Transaction Server; What is CICS?; CICS terminology; What is a business transaction?; What is a CICS task /CICS transaction?; What is a CICS program?; CICS characteristics; On-line processing; IBM CICS Transaction Server for z/OS; Workload management; Access to CICS.
CICS ArchitectureCICS organisation; Starting a CICS Region; Starting a transaction: Logging on, Message Input; Transaction validation; Program loading; Task execution; Program execution; Task Termination; Multi-tasking and multi-threading; The CICS Dispatcher; Multiple TCBs; Domains and components.
The Master Transaction CEMTThe functions of CEMT; CEMT Inquire menu; CEMT Inquire system; CEMT generic input; Inquiring on a resource specifying a property; Discarding a resource; CEMT I TASK.
Resource DefinitionCICS resources; Resource Definition On-line (RDO); The CICS System Definition File CSD; The CICS Global Catalog; RDO Groups and Lists; Resource definition; Adding a GROUP to a LIST; The CSD Utility Program DFHCSDUP; Auto-installation of resources; Program Autoinstall; Terminal Autoinstall.
CICS Application ProgrammingApplication services; EXEC CICS commands; Command Translation; Program preparation; Integrated translator; EXEC Interface Block EIB; Execution flow; Conversational and pseudo-conversational transactions; Conversational Design; Pseudo-conversational design; COMMAREA; Channels and Containers; API Commands; One program/one channel; One program/multiple channels; Program Logical levels; Three-tier application design; Basic Mapping Support (BMS); COBOL symbolic map; Command interpreter; CICS Messages and Codes Transaction (CMAC); Execute Diagnostic Facility (EDF); CEDF Working Storage; CEDF setting a Stop condition.
Java Support in CICSJava Support in CICS; CICS and Enterprise Java Beans (EJBs).
File AccessCICS file control; The file definition; EXEC CICS file commands; Programming for file errors; Shared Data Tables.
CICS and External Resource ManagersCICS and DB2; CICS and IMS/DB (DL/1); CICS and Websphere Message Queuing Series (WMQ).
CICS Queuing FacilitiesTransient Data; INTRAPARTITION Queues; EXTRAPARTITION Queues; INDIRECT Queues; The CICS Supplied TD Queue definitions; Temporary Storage; The Temporary Storage Browse Transaction; Using CEBR.
CICS Intersystem CommunicationIntroduction to Inter System Communications; Multi Region Operation (MRO); Inter Systems Communication (ISC); Inter System Communication over SNA; Intercommunication Using IP Interconnectivity; Transaction Routing; Function Shipping; Static Transaction Routing; Dynamic Transaction Routing with Cloned AORs; Distributed Program Link (DPL); Asynchronous processing; Distributed Transaction Processing (DTP); External CICS Interface (EXCI).
Introduction to CICSPlex System ManagerTerminology; CICS proliferation; CPSM components; Transaction Routing; Single-System Image (SSI); CPSM address space (CMAS); CMAS; Maintenance Point (MP); MAS; The Data Repository; Environment Services System Services (ESSS); Single Point Of Control (SPOC); CPSM major functions; CICSPlex SM summary.
Web ServicesWhat is a web service?; Web Services Terminology; CICS Web Services; Creating a Web Service for an Existing CICS Application; Creating a Web Service from a Web Service description; The Web Service Binding File; CICS Web Support (CWS); CICS Transaction Gateway; CICS Universal Client (CUC).
CICS StorageThe CICS Region; Dynamic Storage Areas; Start-up Operands in the SIT; Subsystem Storage Protection; Transaction isolation.
Startup & ShutdownCICS Initial and Cold Start; START=INITIAL; START=COLD; START=AUTO; Normal Shutdown; First Quiesce Stage; Second Quiesce Stage; Third Quiesce Stage.
Logging and Recovery/RestartConcept of Data Integrity; Recoverable Resources; Defining the CICS System Log; Recovery After a Failure.
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