AS/400 Application Development Using COBOL/400

Name: AS/400 Application Development Using COBOL/400
Price: 38.25 USD
Availability: InStock
ISBN: 9780070340800

ISBN-10: 0070340803

ISBN-13: 9780070340800

Edition: N/A

Authors: Gerald S. Kaplan

List price: $50.00

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Book details

List price: $50.00
Publisher: McGraw-Hill Companies, The
Binding: Hardcover
Pages: 492
Size: 6.50" wide x 9.50" long x 1.25" tall
Weight: 1.848
Language: English



Preface



Start Here



Read.Me (No Kidding)



Creating a Library for the Examples



Entering Commands and Parameters



Changing the Current Library



Creating an Output Queue



Messages



Changing Your User Profile



Working with Spool Files



Printing a Spooled File



Creating Source Physical Files



Bon Voyage!



"Hello AS/400"



COBOL/400--The Language



The AS/400



OS/400 Objects



Libraries and Library Lists



Source Physical Files



System/36 Environment Considerations



Tools for Development



Summary



"Hello World"



README.TXT



OS/400 Library, File, and Member Structure



Overview of the Examples



"Hello World" Using DISPLAY



"Hello World" Program Using Extended DISPLAY/ACCEPT



"Hello World" Using an External Display



COBOL/400 Enhancements



Scope Terminators and Conditional Phrases



Definitions



Explicit Scope Terminators



Exception Phrases



Arithmetic Statements



Data Movement Statements



Subprogram Linkage



Ordering



Input/Output Statements



Summary



The PERFORM Statement



In-Line versus Out-of-Line Perform Statement



PERFORM Statement Formats



Unconditional PERFORM



Conditional PERFORM



The TIMES Phrase



The UNTIL Phrase



The VARYING Phrase



Summary



The EVALUATE Statement



Understanding EVALUATE by Example



Basic EVALUATE Functionality



EVALUATE Using Two Subjects



Using TRUE and FALSE in the Selection Set



Using THROUGH (or THRU)



Summary



Other Noteworthy Points



The INITIALIZE Statement



The LIKE Clause



The LENGTH OF Special Register



The CONTINUE Statement



Calling Subprograms



Executing a CL Command using QCMDEXC



Accessing the Local Data Area (LDA)



Reference Modification



MOVE with De-editing



Performance Considerations



AS/400 File Concepts



Physical and Logical Files



Physical and Logical Files Defined



Externally Described versus Program Described Database Files



Using DDS to Describe Files



Field Reference Files



Using COPY to Obtain Externally Described File Layouts into a COBOL Program



Overriding Files



Using OPNQRYF



Using QTEMP for Temporary Work Files



DDS for Physical and Logical Files



Summary



Display Files



Externally Described Display Files



Defining a Panel



Indicators



Command Keys



Overlaying Records



Subfiles



Displaying Messages



Level Checks



Summary



Printing



Printers and Writers



Output Queues



Printer Files



Program-Described Printer Files



Externally Described Printer Files



Overriding Printer Files



DDS for Printer Files



Summary



Command Language



Command Language Programming Basics



Overview



CL Program Structure



CL Variables



Program Control



Obtaining System Information



Using Data Areas and Data Queues



Libraries



Using Files in a CL Program



Defining Commands



Bringing it All Together



Using the OPNQRYF Command



File Journaling and Commitment Control



Commitment Control



Journaling Access Paths



Becoming a "Journalist"



Summary



Messages and Message Files



System Messages



Message Queues



Message Files



Creating a Message Queue



Creating a Message File



Adding Messages



Sending Messages to Users



Sending Messages from a CL Program



Sending Messages from COBOL



Design Concepts



Object-Oriented Design--The AS/400 Way



Before Starting



Object-Oriented Analysis in a Nutshell



Using Commands and Programs



References



Writing COBOL/400 Programs with Style



Standardize Source Physical File Names



Standardize Variable Naming



Standardize Indicator Assignments



Fill in the IDENTIFICATION DIVISION



Use Informative File Names



Avoid Using ALL-FORMATS with Display Files



Use the LIKE Clause Whenever Possible



Use 88-Level Conditionals



Use Indents Properly



Paragraph Naming (Numbered versus Non-Numbered)



Keep Paragraph Short



Avoid the Use of GO TO



use Scope Terminators



Use READ WITH NO LOCK for File Inquiry



Use Subprograms for Modularity



Use In-Line PERFORM Statements Whenever Possible



Use the MOVE CORRESPONDING Statement



Use the EVALUATE Statement Instead of Nested IF Statements



COBOL Date Routines



COPY Books



Base Routines



Date Routines



Application Development with COBOL/400



Project Definition



Database Requirements



Module Definitions



Main Menu



Messages



Work with Phone Director (Main Task Manager)



Add Phone Entry



Display Phone Entry



Change Phone Entry



Delete Phone Entry



Add Service Request



Service Manager Functions



Setting Up the Environment



Creating the Source Physical Files



Creating a Field Reference File



Creating the Database Files



Creating the Main Menu using the Screen Design Aid (SDA)



Creating a Message File



Creating the COBOL Data Definition Copy Book



Using OS/400 APIs



Creating the Retrieve Current User (RTVCURUSR) Program



Create the "Add Phone Entry" Module



Creating the Command



Creating the Linkage Copy Book



Creating the Display File



Creating the COBOL Program



Testing the ADDPHNE Program



Using the Debugger



Create the "Change Phone Entry" Module



Creating the Command



Creating the Display File



Creating the COBOL Program



Testing the Change Phone Entry Module



Create the "Display Phone Entry" Module



Creating the Command



Creating the Display File



Creating the COBOL Program



Testing the Display Phone Entry Module



Create the "Delete Phone Entry" Module



Creating the Command



Creating the COBOL Program



Testing the Delete Phone Entry Module



Create the "Work with Phone Directory" Module



Creating the Command



Creating the Command Language Program



Creating the Display File



Creating the COBOL Program



Taking a Test Drive



Creating the Service Manager



Creating a Learning Subsystem



Creating the Service Request Message Queue



Creating the Start and End Modules



Creating the Service Manager



The Create Service Request Module



Testing the Service Manager



Message-Handling Application Program Interfaces



Sending Messages with QMHSNDM Application Program Interface



QMHSNDM Parameter List



Sending Messages with QMHSNDPM API



QMHSNDPM Parameter List



Removing Messages with the QMHRMVPM API



QMHRMVPM Parameter List



Summary of IBM Extensions



Character-String Considerations



Identification Division



Environment Division



Data Division



Procedure Division



Copy Statement--All Divisions



Transaction Files



Compiler-Directing Statements



COBOL/400 Compiler Limits



COBOL/400 Syntax Reference



EBCDIC and ASCII Collating Sequences



EBCDIC Collating Sequence



ASCII Collating Sequence



COBOL/400 Reserved Words



File Status Key Values and Meanings



Symbols Used in the PICTURE Clause


Index