System Object Model: Difference between revisions

Revision as of 15:35, 31 October 2016

System Object Model (SOM) is an object-oriented shared library system. DSOM, a distributed version based on CORBA, allowed objects on different computers to communicate.

Products

IBM System Object Model/6000 (SOM/6000)
IBM SOMobjects Developer Toolkit Version 2.1 for OS/2, AIX and Windows (10H9767)
IBM SOMobjects Workgroup Enabler Version 2.1 for OS/2, AIX and Windows (10H9769)
IBM SOMobjects for OS/400

Documentation

Runtime

Component
SOM Run-time Kernel	SRK
SOM Event Management Framework	SEM
Distributed SOM Framework	SDS
SOMobjects Interface Repository Framework	SIR
SOMobjects Utility Classes	SUT

Syslevel

Version 2.01.5 - SM20012

Files

System Object Model runtime included with OS/2 Warp Version 4 consists of the following files:

Name	Comments
SOM.DLL	SOM Run-time Library
SOM.IR	SOM Implementation Repository. Types, classes, and methods provided by the SOMobjects Framework
SOMD.DLL	Distributed SOM (DSOM)
SOMD.MSG	Messages for SOMD.DLL
SOMDCLS.DAT	Distributed SOM class database
SOMDCLS.TOC	Distributed SOM class index
SOMDD.EXE	DSOM daemon. It must be started prior to running a DSOM application
SOMDIMPL.DAT	Distributed SOM implementation database
SOMDIMPL.TOC	Distributed SOM implementation index
SOMDSVR.EXE	Generic DSOM server program
SOMEM.DLL	SOM Event Manager
SOMIR.DLL	CORBA Interface Repository support
SOMK.MSG	SOM error messages file
SOMS.DLL	SOM Sockets - soms library
SOMSEC.DLL	SOM Security library
SOMTC.DLL	CORBA TypeCode support
SOMU.DLL	Metaclass framework
SOMUC.DLL	Collection Class Library

Articles

Jennifer Hamilton: Interlanguage Object Sharing with SOM
EDM/2 SOM Articles

Publications

G221-3651-02: SOMobjects Specification Sheet - IBM 1995-04

Books

Jennifer Hamilton: Programming with DirectToSOM C++ - Wiley 1996, ISBN 0471-16004-0
Robert Orfali, Dan Harkey, Jeri Edwards: The Essential Distributed Objects Survival Guide - Wiley 1996, ISBN 0-471-12993-3

Articles

Brian Curran: Why SOM? - IBM Personal Systems Magazine (Mar/Apr 1996)
Gabrielle Gagnon: Exploring IBM's SOM series of articles published in PC Magazine.
- Part 1 - October 1995
- Part 2 - November 1995 issue.
- Part 3 - January 1996

Links

IBM System Object Model (SOM) Documentation
- Programming Guide (PDF, INF)
- Programming Reference (PDF, INF)

Replacement
- somFree is a Portable implementation of SOM, but it hasn't been ported to OS/2. Open source under the LGPL v3.
- NOM (Netlabs Object Model) was an implementation of SOM that was going to be part of Voyager, but it never got finished.

@@ Line 98: / Line 98: @@
 * [http://en.wikipedia.org/wiki/IBM_System_Object_Model SOM Wikipedia Article]
-* [http://sourceforge.net/projects/somfree/ somFree - Open Source SOM clone project]
 * [https://web.archive.org/web/19961225120404/http://www.software.ibm.com/objects/somobjects/somsampl.html Archived: IBM SOMware at the Club - Samples for SOM 3.0]
 *Replacement
-** [http://sourceforge.net/projects/somfree/ somFree] is a Portable implementation of SOM, but it hasn't been ported to OS/2-eCS. It is open source under the LGPL v3.
+** [http://sourceforge.net/projects/somfree/ somFree] is a Portable implementation of SOM, but it hasn't been ported to OS/2. Open source under the LGPL v3.
 ** [http://trac.netlabs.org/v_nom NOM] (Netlabs Object Model) was an implementation of SOM that was going to be part of Voyager, but it never got finished.
 [[Category:Components]]
 [[Category:SOM]]