Index: openacs-4/packages/acs-core-docs/www/object-system-requirements.html =================================================================== RCS file: /usr/local/cvsroot/openacs-4/packages/acs-core-docs/www/object-system-requirements.html,v diff -u -r1.32.2.1 -r1.32.2.2 --- openacs-4/packages/acs-core-docs/www/object-system-requirements.html 12 Jun 2011 20:03:48 -0000 1.32.2.1 +++ openacs-4/packages/acs-core-docs/www/object-system-requirements.html 12 Jun 2011 20:52:57 -0000 1.32.2.2 @@ -1,5 +1,5 @@ -Object Model Requirements
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Object Model Requirements

By Pete Su

+Object Model Requirements
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Prev Chapter 13. Kernel Documentation Next

Object Model Requirements

By Pete Su

OpenACS docs are written by the named authors, and may be edited by OpenACS documentation staff.

I. Introduction

A major goal in OpenACS 4 is to unify and normalize many of the core services @@ -203,7 +203,7 @@ contexts are used as the basis for the permissions system. In general, if an object has no explicit permissions attached to it, then it inherits permissions from its context.

The context data model also forms the basis of the subsites system, and is -a basic part of the permissions system, +a basic part of the permissions system, described in separate documents.

The context data model should provide the following facilities:

50.10 Unique ID

Every context should have a unique ID in the system.

50.20 Tree Structure

The data model should support a tree structured organization of contexts. That is, contexts can be logically "contained" within other contexts (i.e. contexts have parents) and contexts can contain other contexts