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Calling IBM i programs from EGL using Rational Business Developer

Claus Weiss, Advisory Software Consultant, IBM
Claus Weiss is an advisory software consultant with the Rational Software System i – Ecosystem team at the IBM Canada Toronto Laboratory. He has degrees in industrial engineering and computer science from the University of Hamburg in Germany. He worked as a systems engineer with IBM Germany and joined the IBM Toronto Laboratory in 1984. He was a developer and team leader for System/38 development tools. He has been a member of the Design Control Group for the AS/400 development tools. He has worked as a consultant for IBM iSeries Application Development for the past 10 years, specializing in Visual Tools. Claus is a frequent speaker at COMMON and other iSeries conferences and a six-time winner of COMMON's Speaker Excellence award. He is also the lead author of the book title "Understanding the IBM WebFacing Tool," published by IBM Press, and has co-authored several IBM Redbooks.

Summary:  This tutorial describes how to write Enterprise Generation Language (EGL) code that calls programs (RPG, COBOL, CL, CL Commands, or programs written in any supported language) on your IBM® System i5™ machine. The process for you to call an existing IBM i™ program from EGL has been very much improved in IBM® Rational® Developer for System i™ V7.1 (and later), and is incredibly simple. EGL leverages the IBM i Toolbox for Java™, which in turn utilizes the System i5’s Remote Command Host Server (QZRCSRVSD in the QSYSWRK subsystem).

Date:  19 Aug 2008
Level:  Intermediate PDF:  A4 and Letter (3472 KB | 44 pages)Get Adobe® Reader®

Activity:  290 views
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Before you start

Important Note: Walk through this scenario and others online as part of the Enterprise Modernization Sandbox for IBM i

About this tutorial

This tutorial shows you how to do the following:

  • Create EGL application that calls IBM i programs (RPG, COBOL, CL and CL Commands).
  • Learn to use IBM® Rational® Business Developer to build and test EGL application.

Objectives

This tutorial will guide you through the following steps:

  • EGL and the IBM i runtime environment.
  • Configuring your EGL Web Project to access the IBM® System i5™ server and call a program
  • The actual code to call an IBM i program
  • Debugging both RPG and EGL code

Prerequisites

You should be familiar with one of the IBM® Rational® Software Delivery Platform products that Rational Business Developer supports, and have knowledge of IBM® System i™ applications.


System requirements

Operating Systems:

Microsoft® Windows® 2000 SP4, Windows 2003 Enterprise SP1, Windows 2003 Standard SP1, Windows XP Professional SP2, Windows Vista Business, Windows Vista Enterprise, Windows Vista Ultimate


Hardware:

Intel® Pentium® III 800 MHz processor minimum (higher is recommended) 1 GB RAM (1.5 GB RAM recommended)

Minimum: 800 MB of disk space is required for product package installation. Additional disk space is required for the resources that you develop.

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