System Object Model
(Redirected from SOM)
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. System Object Model (SOM, SOMObjects) is a language neutral object model.
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
IBM System Object Model (SOM) Online Books
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:
| Directory | Name | Comments |
|---|---|---|
| \OS2 | SOMDD.EXE | DSOM daemon. It must be started prior to running a DSOM application |
| SOMDSVR.EXE | Generic DSOM server program | |
| \OS2\DLL | SOM.DLL | SOM Run-time Library |
| SOMD.DLL | Distributed SOM (DSOM) | |
| SOMEM.DLL | SOM Event Manager | |
| SOMIR.DLL | CORBA Interface Repository support | |
| SOMS.DLL | SOM Sockets library | |
| SOMSEC.DLL | SOM Security library | |
| SOMTC.DLL | CORBA TypeCode support | |
| SOMU.DLL | Metaclass framework | |
| SOMUC.DLL | Collection Class Library | |
| \OS2\ETC | SOM.IR | SOM Implementation Repository. Types, classes, and methods provided by the SOMobjects Framework |
| \OS2\ETC\DSOM | SOMDCLS.DAT | Distributed SOM class database |
| SOMDCLS.TOC | Distributed SOM class index | |
| SOMDIMPL.DAT | Distributed SOM implementation database | |
| SOMDIMPL.TOC | Distributed SOM implementation index | |
| \OS2\SYSTEM | SOMD.MSG | Messages for SOMD.DLL |
| SOME_OS2.MSG | ||
| SOMK.MSG | SOM error messages file |
Articles
- Jennifer Hamilton: Interlanguage Object Sharing with SOM
- EDM/2 SOM Articles
Publications
- G221-3651-02: SOMobjects Specification Sheet - IBM 1995-04
- SC28-1997-01: OS/390 - SOMobjects Programmer's Reference, Volume 1. IBM. [1]
- Books
- Christina Lau: Object-Oriented Programming Using SOM and DSOM - Van Nostrand Reinhold 1994, ISBN 0-442-01948-3
- Jennifer Hamilton: Programming with DirectToSOM C++ - Wiley 1996, ISBN 0-471-16004-0
- Robert Orfali, Dan Harkey, Jeri Edwards: The Essential Distributed Objects Survival Guide - Wiley 1996, ISBN 0-471-12993-3
- Articles
IBM Personal Systems Magazine
- Brian Curran: Why SOM? (Mar/Apr 1996)
- Rick Weaver: IBM System Object Model—The Wave of the Future (and Now!)
- Geoff Hambrick: Enabling Industrial-Strength OO Applications with SOM and CORBAservices
PC Magazine
- Gabrielle Gagnon: Exploring IBM's SOM - series of articles