Micro Focus NetExpress™

Distributed Computing

Micro Focus®

Issue 3
October 1998

Micro Focus has made every effort to ensure that this manual is correct and accurate but reserves the right to make changes without notice at its sole discretion at any time.

The software described in this document is supplied under a license and may be used or copied only in accordance with the terms of such license, and in particular any warranty of fitness of Micro Focus software products for any particular purpose is expressly excluded and in no event will Micro Focus be liable for any consequential losses.

Micro Focus® is a registered trademark and Form Designer™, Micro Focus COBOL™ and NetExpress™ are trademarks of Micro Focus Limited.

Preface

This book explains the support provided within NetExpress for distributed objects and describes how to use that support with Orbix (IONA's Object Request Broker), OLE Automation and Microsoft's Transaction Server.

Audience

This book is intended for COBOL programmers who need to access distributed objects using IONA's Orbix, OLE Automation or Microsoft's Transaction Server.

How to Use this Book

Part One provides an overview of the methods available for accessing distributed objects.

Part Two explains how to use the support provided within NetExpress for Orbix (IONA's Object Request Broker).

Part Three describes the Object COBOL model which includes support for OLE Automation and Microsoft's Transaction Server.

Notation

The following type styles and conventions have been used in this User Guide:

• Text that you type is shown like this:

  cat script_name | more

  The italic text denotes a variable that you type as part of the command.

• Text in command lines or code examples that is optional is shown in square brackets. In the following example, the expression can specify that the column_name is like the pattern_value, or is not like the pattern_value, depending on the absence or presence of the optional word NOT:

  column_name [NOT] LIKE pattern_value

• Sections or paragraphs that apply only to a particular model or operating system are identified by a bold italic heading immediately preceeding the paragraph it applies to. For example:

  UNIX
  This paragraph only applies on UNIX systems.