ant elder wrote:
[snip]
The (F), (G) and (H) would use the packaging in your (B). For your (B)
how/where were you expecting those sca contribution jars to get used?
Ah I'm happy to see that there are not so many packaging schemes after
all :)
We've already started to discuss contribution usage scenarios in [1].
Here's a longer scenario, showing how I want to use contributions and
composites in a domain for the store tutorial I've been working on.
There are three contributions in the tutorial:
- assets.jar containing most implementation artifacts
- store.jar containing the main store components
- cloud.jar containing utility components in the service "cloud"
Both store.jar and cloud.jar import artifacts from assets.jar.
1. Create assets.jar and store.jar (using scheme B).
2. Open my tutorial domain in my Web browser, upload store.jar to the
domain.
3. List the contributions in the domain, store.jar shows a red-x error
as some of its imports are not resolvable.
4. Upload assets.jar. Both assets.jar and store.jar show in the list
with no red-x.
5. List the deployable composites, find http://store#store under
store.jar. Open it in my browser to check it's what I want.
6. Mark http://store#store as deployed. Store has a reference to a
CurrencyConverter service (from composite http://cloud#cloud which is
not in my domain yet) so it shows a red-x and appears disabled.
7. Upload cloud.jar, find deployable composite http://cloud#cloud in it,
mark it deployed. The red-x on deployed composite http://store#store is
now gone.
8. Assuming I have 2 machines for running SCA in my network and have
already declared these 2 machines to my domain, allocate composites to
them. Select http://store#store and associate it with machine1.
Store.jar and assets.jar are downloaded to machine1 and machine1
configured with http://store#store.
9. Select http://cloud#cloud and associate it with machine2. Cloud.jar
and assets.jar are downloaded to machine2 and machine2 is configured
with http://cloud#cloud.
10. Display the list of deployed composites, select http://store#store,
click the start button, select http://cloud#cloud, click start.
Hope this helps.
[1] http://marc.info/?l=tuscany-dev&m=119952302226006
--
Jean-Sebastien
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