The following issue has been updated:
Updater: Stephen McConnell (mailto:[EMAIL PROTECTED])
Date: Thu, 6 May 2004 6:51 PM
Changes:
Component changed to Composition
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For a full history of the issue, see:
http://issues.apache.org/jira/browse/RUNTIME-8?page=history
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View the issue:
http://issues.apache.org/jira/browse/RUNTIME-8
Here is an overview of the issue:
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Key: RUNTIME-8
Summary: Model Driven Runtime
Type: Improvement
Status: Resolved
Priority: Major
Resolution: FIXED
Project: Merlin Runtime Platform
Components:
Composition
Fix Fors:
3.3
Versions:
3.2
Assignee: Stephen McConnell
Reporter: Stephen McConnell
Created: Fri, 6 Feb 2004 3:54 PM
Updated: Thu, 6 May 2004 6:51 PM
Description:
The current implementation (3.3 HEAD) of the composition framework relies on a runtime
that is established independently of the composition model. If is preferable that we
move control over runtime commissioning and decommissioning to the model, which in
turn enables model-driven redeployment and alternative runtime implementations.
Outstanding issues in archiving this objective relate to the establishment by the
model of a default runtime. This requires some sort of a runtime factory declared at
a system level (e.g. via SystemContext), and the possibility to override a factory at
a container or component model level (i.e. under ContainmentContext or
ComponentContext).
A second aspect is the relationship between the model and the runtime - in particular,
an model-driven event pattern is required in which the runtime responds to model based
deployment status - enabling the triggering of event driven redeployment of runtime
artifacts.
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