| Prev | Chapter�10.�Kernel Documentation | Next |
|---|
By Pete Su
+A major goal in OpenACS 4 is to unify and normalize many of the core services @@ -201,8 +201,8 @@ developers to represent a hierarchy of object contexts. These 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, +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, 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 @@ -263,4 +263,4 @@ this integrate with application level SQL queries?
| Document Revision # | Action Taken, Notes | When? | By Whom? |
| 0.1 | Creation | 08/10/2000 | Bryan Quinn |
| 0.2 | Major re-write | 08/11/2000 | Pete Su |
| 0.3 | Draft completed after initial reviews | 08/22/2000 | Pete Su |
| 0.4 | Edited, updated to conform to requirements template, pending freeze | 08/23/2000 | Kai Wu |
| � | Final edits before freeze | 08/24/2000 | Pete Su |
| 0.5 | Edited for consistency | 08/27/2000 | Kai Wu |
| 0.6 | Put Object ID stuff first, because it makes more sense | 08/28/2000 | Pete Su |
| 0.7 | Added requirement that knowledge-level objects must be moveable between databases. | 08/29/2000 | Richard Li |
| 0.8 | Rewrote intro to match language and concepts in the design document. Also cleaned up usage a bit in the requirements section. Added short vague -requirements on relation types. | 09/06/2000 | Pete Su |
| 0.9 | Edited for ACS 4 Beta release. | 09/30/2000 | Kai Wu |