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Re: [tycho-dev] Invoke maven project extension before TychoMavenLifecycleParticipant - patch question

How do you plan to contribute your conponents to Tycho core class realm? Maven does not allow sharing of classes among different extensions plugins, which means you'd need to include your cimponents via <dependency> element, which in turn means you won't be able to define additional mojos. Is this limitation 'okay' for your usecase?
-- 
Sent from my SGS

Tom Bujok <tom.bujok@xxxxxxxxx> wrote:

>Thanks a lot for your answer! This is perfect for me. The fact that
>tycho does not provide any API  is not a problem for me - I am willing
>to contribute in the future if you decide to change this stuff. I will
>provide that patch in one or two days.
>
>Cheers,
>Tom
>
>
>On Mar 8, 2012, at 2:12 PM, Oberlies, Tobias wrote:
>
>> Just one additional remark: Tycho does not (yet) have any Java API.
>You are of course free to âmessâ with the internals of Tycho, but we
>may need to change things which would mean that youâd have to adapt
>your extension for new Tycho versions. Can you live with this?
>>  
>> Regards
>> Tobias
>>  
>>  
>> From: tycho-dev-bounces@xxxxxxxxxxx
>[mailto:tycho-dev-bounces@xxxxxxxxxxx] On Behalf Of Oberlies, Tobias
>> Sent: Donnerstag, 8. MÃrz 2012 14:10
>> To: Tycho developers list
>> Subject: Re: [tycho-dev] Invoke maven project extension before
>TychoMavenLifecycleParticipant - patch question
>>  
>> I agree that extensibility is a weak point in Tycho. If the proposed
>change really helps you, Iâd be willing to accept a patch. The
>contributor guide [1] should answer the practical questions how we can
>accept patches.
>>  
>> Regards
>> Tobias
>>  
>>  
>> [1] http://wiki.eclipse.org/Tycho/Contributor_Guide
>>  
>>  
>> From: tycho-dev-bounces@xxxxxxxxxxx
>[mailto:tycho-dev-bounces@xxxxxxxxxxx] On Behalf Of Tom Bujok
>> Sent: Mittwoch, 7. MÃrz 2012 11:28
>> To: Tycho developers list
>> Subject: Re: [tycho-dev] Invoke maven project extension before
>TychoMavenLifecycleParticipant - patch question
>>  
>> Hi Jeff,
>>  
>> I am aware of that, but my main goal was to be able to execute logic
>before and after tycho - the order was not that important.
>> But it is a good hint - we may also think of using something else
>than lookuplistâ
>>  
>> Tom
>>  
>>  
>> On Mar 7, 2012, at 11:00 AM, Jeff MAURY wrote:
>>  
>> 
>> Please not that the use of Plexus for discovery does not guarantee an
>order of execution following the declaration in the POM.
>> 
>> Regards
>> Jeff
>>  
>> 
>> On Wed, Mar 7, 2012 at 8:36 AM, Tom Bujok <tom.bujok@xxxxxxxxx>
>wrote:
>> 
>> Hi guys,
>> 
>> In this thread I described why it is impossible to invoke any
>processing logic before TychoMavenLifecycleParticipant:
>> http://dev.eclipse.org/mhonarc/lists/tycho-user/msg02103.html
>> It is also connected to this problem:
>http://www.mail-archive.com/users@xxxxxxxxxxxxxxxx/msg123753.html
>> 
>> Such limitation breaks the maven processing principle - since
>normally the order of plugins' in the pom.xml file defines in which
>order they are executed. Right now with tycho - there is now way to
>invoke anything before the tycho project setup finishes.  In order to
>add some more flexibility to a tycho build I think it would be perfect
>if there was some kind of a callback mechanism included in the
>TychoMavenLifecycleParticipant.
>> 
>> let's say that we could have such interface:
>> 
>> public interface TychoLifecycleParticipant {
>> 
>>        void beforeProjectSetup(MavenSession session);
>>        void afterProjectSetup(MavenSession session);
>> 
>> }
>> 
>> and then in the TychoMavenLifecycleParticipant we could add:
>> 
>> public class TychoMavenLifecycleParticipant extends
>AbstractMavenLifecycleParticipant {
>>    @Override
>>    public void afterProjectsRead(MavenSession session) throws
>MavenExecutionException {
>>        Collection<TychoLifecycleParticipant> tychoParticipants =
>plexus.lookupList(TychoMavenLifecycleParticipant.class);
>> 
>>        for (TychoLifecycleParticipant p : tychoParticipants) {
>>                p. beforeProjectSetup(session);
>>         }
>> 
>>        (â)
>> 
>>        for (TychoLifecycleParticipant p : tychoParticipants) {
>>                p. afterProjectSetup(session);
>>         }
>>    }
>> }
>> 
>> 
>> Do you agree with that and would you accept such patch?
>> 
>> Cheers,
>> Tom Bujok
>> _______________________________________________
>> tycho-dev mailing list
>> tycho-dev@xxxxxxxxxxx
>> https://dev.eclipse.org/mailman/listinfo/tycho-dev
>> 
>> 
>> 
>> -- 
>> Jeff MAURY
>> 
>> "Legacy code" often differs from its suggested alternative by
>actually working and scaling.
>>  - Bjarne Stroustrup
>> 
>> http://www.jeffmaury.com
>> http://riadiscuss.jeffmaury.com
>> http://www.twitter.com/jeffmaury
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>>  
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>
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