Re: [equinox-dev] [prov] Native touchpoint

[Jeff McAffer <Jeff_McAffer@xxxxxxxxxx>]

This is a great list.  Can you
codify that in a wiki page?  Say Touchpoint Use Cases or some such?
 That would be really useful for pulling together all the things that
need to be done in touchpoints.

Jeff

James D Miles <jdmiles@xxxxxxxxxx>
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I have no idea how these fit into the new scheme. But
I will attempt to explain some of the ways we used install handlers and
some of the real constraints.

- We manage launch parameters through install handlers. This includes the
management of a global property file and a user property file. The user
property file is modified during the enable phase. For the multiuser case,
it is easy to upgrade a user files during an enable/disable phase. It is
not really possible to do this during the install by an admin. There has
also been discussion that the enable handlers should be immutable (not
depend a known state).

- We manage JVM features. This had to be done slightly differently because
JVM features have so many non-standard properties, We added and manage
a plugin property file for these. While this has worked well for us it
has a few thorns. There is a question of how to override the JVM properties
from the command line or more generally how to combine JVM properties coming
from this file and other places. When we attempt to integrate these features
into the tooling we have the same questions.

- We manage the branding through the property files modified by install
handlers.

- To some degree we also manage what gets launched. There may be multiple
ICONS that represent different launch configurations. The ICON command
length is limited so there needs to be an abstraction to handle this. 

- We manage the invocation of native exe's and bat and .sh. These are a
problem because we usually lose the ability to track operations, log errors,
etc. 

- We have also worked on managing native service states through install
handlers so that it can be upgraded/installed like any other feature/plugin.

Other use cases 
- There is a need to be able to just unzip a platform and run. This likely
implies that there is a need to do dynamic configuration on the first launch
for a user.
- For multiuser there is a need to be able to know if we are an admin installing
into all the shared spaces or if we are just a user launching the platform.
The actions performed are different.

Chris
Aniszczyk/Austin/IBM@IBMUS

Chris Aniszczyk/Austin/IBM@IBMUS
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08/07/2007 09:07 PM

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James can expand, but some things that I recall from a declarative system
we built on top of the old installhandler code:

* copying files (ie., we package our own launcher and copy it to a proper
location... we also package vms as bundles)
* native operations
* creating icons in menus or on a desktop if available
* creating windows registry entries
* setting environment variables
* modifying files on disk
* chmod'ng things
* running arbitrary scripts (ya, I know, scary) like .bat or .sh's

That's all I can remember off the top of my head.

Cheers,

---
Chris Aniszczyk | IBM Lotus | Eclipse Committer | http://mea-bloga.blogspot.com
| +1.860.839.2465

Pascal
Rapicault ---08/07/2007 08:56:18 PM---James, to enlight us, could you please
describe the kind of things that you

From:	Pascal Rapicault <Pascal_Rapicault@xxxxxxxxxx>
To:	Equinox development mailing list <equinox-dev@xxxxxxxxxxx>
Cc:	equinox-dev@xxxxxxxxxxx, equinox-dev-bounces@xxxxxxxxxxx
Date:	08/07/2007 08:56 PM
Subject:	Re: [equinox-dev] [prov] Native touchpoint

---

James, to enlight us, could you please describe the kind of things that
you
are doing with install handlers?


                    
                     
                     
        
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Please either add javadoc info or wiki info on the design of the
org.eclipse.equinox.prov.touchpoint.natives and . This appears to be where
install handler equivalent functionality would be performed. I don't need
extensive docs. I just need to know the plan so I can evaluate how it can
be used. We use the install handlers extensively in the current eclipse
and
I am attempting to locate the home for this functionality. Also is Rhino
_javascript_ envisioned to be the main scripting mechanism for the native
touchpoint?_______________________________________________
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