System i (AS/400, iSeries, i5) Advanced RPGIV Programming

Course Outline

This course is aimed at programmers who are developing or maintaining RPGLE application programs, as a follow on to the RPGLE programming course (ISR4P). This is not aimed at experienced RPG programmers looking to update their skills to the modern RPGLE syntax; the RPG Crossover course (ISR4X) is available for this purpose.

Pre-requisites

This is the follow on course for RPGIV Programming (ISR4P), so a basic understanding of RPGLE is assumed.

Course content

• Date, time, timestamp variables
   • Convert non-date variables to date variables
   • Manipulate data in true date variables
   • Date validation
   • Convert true date variables to non-date variables
• Declare and use arrays
   • Run-time and compile time arrays
   • Compile time data
   • Repeat operation codes FOR and DO
   • Built in functions and legacy op codes for array processing
• Data structure
   • Data structure uses
   • Hard coded sub structure
   • File information data structure
   • Program status data structure
   • Redefine the sub-structure
   • Initialisation
   • External definitions
   • Rename sub-fields
   • Multiple occurrence data structure
   • Overlay arrays in data structures
   • Sorting linked arrays
   • Multi-dimensional arrays
• Data areas
   • CL commands for data areas
   • Local Data area
   • RPG OP codes for data areas
   • Linking data area to a data structure
   • Soft coding a data area
   • Auto controlled data areas
• Dynamic Storage and Pointers
   • Pointer Variables
   • Allocating space to variables at run time
   • Allocating and Using dynamic storage
   • Triggers
   • Variable length and Null terminated strings
• Commitment control
   • Create Journals and Receivers for Commitment Control
   • Activation of commitment control
   • Maintenance of files under commitment control
   • Activation group implications
   • Implement commitment control into RPG programs
   • Use a MONITOR error trap and Roll Back
• Code a Sub-procedure and Prototypes
   • Sub-procedures definition and use
   • Prototypes and callp
   • Pass parameters by reference and read-only reference
   • Optional Parameters - Omitted or Not Passed
   • Local and global variables
   • Activation group implications
• Debug a program running in batch
   • Submit and hold a batch job
   • Start a service job

Follow on Courses

To complete training in RPGLE, the RPG Subfile programming course (ISRPS) should be considered. Also, embedded SQL (ISSQE) and possibly ILE Fundamentals (ISILE).
Note: the Interactive SQL (ISSQI) is a pre-requisite for Embedded SQL (ISSQE).

Schedule

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