J library services

The Objecteering J libraries provide a set of utility services which are used to:

· dynamically modify a model with the session mechanism

· create a simplified graphical user interface

· build an MDAC, by creating your own work products and initialization processing, or by using text edition with links to the model, ….

· couple the operating system, by launching processing of files and directories, etc.

· create, modify and automatically position diagrams

· carry out model exchanges in standardized ASCII form or specific to Objecteering

The ... library	is used to...
MDAC management services	execute J operations during the deployment of an MDAC.
System and environment	control system processes, and get information on the environment.
File management	manage the typical services which an Objecteering system provides on files and directories.
Scan services	facilitate navigation of the metamodel.
Stream exchange services	provide model stream exchange in the XMI standard or in the "Externalization" format specific to Objecteering.
Work product	customize the mechanisms predefined for work products in Objecteering.
Generated files management and edition	provide the consistency mechanisms and edition facilities used to generate files.
J dialog box	provide elementary GUI facilities.
J session management	provide mechanisms that are used to modify a model with J.
Handling diagrams with J	create, change or lay out UML diagrams with J.
Auxiliary window	provide services to manage the auxiliary window.