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[stp-dev] IRC record 12apr06

[16:35] askehill joined the chat room.
[16:43] gaelblondelle joined the chat room.
[16:44] gaelblondelle left the chat room. ("Bye.")
[16:45] gaelblondelle joined the chat room.
[16:57] jrohn joined the chat room.
[16:59] mdelder joined the chat room.
[17:00] AMiguel joined the chat room.
[17:02] oisin: morning/afternoon/evening to you all
[17:02] RobCernich joined the chat room.
[17:03] oisin: I'm just IM'ing Naci to sort out some IRC technical issues that he has and we shall embark soon [17:04] oisin: today we wanted to get a community feeling for the build structure proposals outlined on stp-dev [thanks to Michael, Naci [17:05] oisin: any discussions that we need to have should happen here and now
[17:05] oisin: when they are complete we will have a straw poll
[17:06] DavidBosschaert: Is WTP the only project using a structure like Naci has proposed? [17:06] oisin: the IRC record will be posted to the list and we will have a deadline for +*'s over the next couple of days
[17:07] oisin: david: you will need to ask Naci
[17:07] mdelder: To my knowledge, that is the case; but I'm not as familiar with other projects. Perhaps Naci would know of other cases where this pattern is used? [17:08] oisin: in Naci's approach, the goal is 'scalability' - which I take to mean functional isolation of each subproject within subdirectories [17:09] mdelder: Scalability is a great goal -- but for each subproject, the number of plugins is likely to be small; even long- lived components like JDT have relatively few plugins in all [17:09] mdelder: For future incubations, these would have a top level subproject directory anyway
[17:09] cctrieloff joined the chat room.
[17:09] cctrieloff: sorry I'm late - IRC issues
[17:10] mdelder: I can go either way, but just out of experience working with the WTP structure, you have to expand several nodes into the structure to get to plugins; And this gets old [17:10] mdelder: It doesn't take CVS long to respond with 10 folders instead of 3, but it does take it longer to respond to 3 requests (due to digging into the directory structure) [17:10] oisin: guys - Naci is having difficulty getting to the IRC due to technical issues. We can start a dialup bridge to communicate - would this suit everyone? [17:11] oisin: michael: time spent in CVS is something that can be very annoying for developers, agreed
[17:11] cctrieloff: not ideal to open bridge
[17:12] mdelder: The other issue that the approach has is that's sometimes not clear where a particular plugin you are looking for is located, and you have to check several "component" folders for it ...
[17:12] RobCernich: wouldn't that be mitigated through naming convention
[17:13] RobCernich: e.g. i would assume all org.eclipse.stp.soas.* plugins to be in the org.eclipse.stp.soas subproject folder
[17:14] mdelder: I like the one level for subprojects
[17:15] mdelder: But under the WTP approach it has : <subproject> / components / <component> / plugins, tests, features
[17:15] mdelder: So I would propose just:
[17:16] mdelder: ... and "plugins" in that example was then: plugins / <plugin> ...
[17:16] mdelder: But I would propose <subproject> / <plugins>
[17:16] mdelder: And probably put the features/ <features> under the root of the repo, so that all features are managed from a central folder. [17:17] oisin: michael: I am looking at the mail from Naci at http:// [17:17] RobCernich: similar to the structure laid out in the top part of naci's last email?
[17:17] oisin: the 'components/<component>/...' is not in that email
[17:17] oisin: instead it is :
[17:18] RobCernich: i like the structure at the top of that email
[17:18] oisin: <subproject>/{features, plugins,tests}/...
[17:18] RobCernich: yep
[17:18] oisin: so not as deep
[17:18] mdelder: I can go either way on this; it's not a huge deal. But in general, you should probably always check out plugins and the related tests -- so this approach requires you to expand plugins and tests to fetch the plugins. [17:19] mdelder: I just don't think the number of plugins here is really going to get unscalable [17:19] mdelder: A final version of STP 1.0 might have up to 5-6 plugins + 1-2 test plugins for each subproject. Is that worth grouping plugins/ and tests/ ?
[17:20] oisin: michael:  do you think there will be that few plugins?
[17:20] oisin: [retract] sorry I misread your sentence
[17:20] oisin: you mean 6-8 plugins per subproject
[17:20] mdelder: If you look at platform level components, they don't have large numbers of plugins. The more plugins you expose, the more plugin loading must take place
[17:21] mdelder: ... per subproject yes
[17:21] mdelder: Sometimes it makes sense to componentize functionality into one or a small number of plugins (the .core + .ui pattern for instance). [17:22] mdelder: WTP has alot of componentization; I don't think that STP will be large enough to be that fine grained. We should only group functionality into new plugins if there's a real adopter need [17:22] mdelder: And in general, I'd anticipate that adopters will pick up STP by subproject; not by a selection of individual components in each subproject. [17:23] mdelder: So there's less need to break it out in many plugins ... [17:23] mdelder: But that's my opinion -- what other opinions are out there? [17:24] DavidBosschaert: I would probably be in favour of having all the plugins in the same place and using naming conventions to identify them. It would just give you a quick'n'easy overview of what's there... [17:24] oisin: if you consider the SOAS subproject, there will be one framework with a number of example plugins for different runtimes and the chances are adopters will only want to pick up one of these rather than the whole lot [17:24] mdelder: ... and naming conventions are required so you'll always know test plugins by <subproject>.tests.* [17:25] oisin: I'm channelling for Naci here: [having plugins/tests in same folder is workable] [17:25] RobCernich: can't componentization be handled more effectively through feature definitions, then through cvs structure? [17:26] mdelder: ... definately .. and this is why I don't think it's necessary to group components or just plugins/tests in CVS [17:26] mdelder: There's probably enough on the table now to take a vote; I don't know that this is worth taking up this meeting [17:27] oisin: I think we are in a middle ground here, with some structure from naci's mail earlier, plus some structure from michael's mail
[17:28] oisin: so it's not either or
[17:29] mdelder: Well how about this:
[17:29] oisin: is there consensus around <subproject>/{features, plugins}/... with the plugin tests in the plugins dir [17:29] mdelder: I'm fine with that ... I'd suggest though that there just be one features/ directory at the root of the repo, and all features there. [17:29] RobCernich: i vote +1 for that structure whether or not the test plugins are grouped separately or not [17:30] mdelder: As you said oisin, we may have adopters who pick and choose pieces of subprojects ... [17:30] mdelder: ... but I'm fine with that approach .. so as an example we'd have: [17:30] oisin: michael: can you enlighten me a bit on that one - not as eclipse experienced as yourself - about why features at top level good?
[17:30] mdelder: --/org.eclipse.stp.core-feature
[17:31] mdelder: or would we have: /features/org.eclipse.stp.core- feature ?
[17:31] mdelder: this is working .. just a sec
[17:32] mdelder: /org.eclipse.stp.core
[17:32] mdelder:     features/
[17:32] mdelder:         org.eclipse.stp.core-feature/
[17:32] mdelder:     plugins/
[17:32] mdelder:           org.eclipse.stp.core
[17:32] mdelder:           org.eclipse.stp.core.tests
[17:32] mdelder: ... is the modified setup as I understand it
[17:32] mdelder: .. which I think is fine
[17:32] oisin: yes - great irc skills btw
[17:33] oisin: just cc'ing to Mr. Dai in Istanbul
[17:33] mdelder: You could also remove "plugins/", and put the plugins directly under the subproject, and then aggregate all of the <subproject>/features/ directories into a single <root>/features/ directory [17:34] mdelder: Where the features are stored isn't really important; so either approach is fine in my opinion
[17:35] oisin: ok, question from Naci here....
[17:35] mdelder: which would look like:
[17:35] mdelder: /features
[17:35] mdelder:     org.eclipse.stp.core-feature/
[17:35] mdelder:
[17:35] mdelder: /org.eclipse.stp.core
[17:35] mdelder:     org.eclipse.stp.core
[17:35] mdelder:     org.eclipse.stp.core.tests
[17:38] oisin: minimalist  -  but I prefer the former
[17:38] jrohn: I like this last approach, looks clean and easy to navigate.
[17:38] RobCernich: me too, with or without the plugins folder
[17:38] RobCernich: (to oisin's comment)
[17:39] jrohn: I prefer no "plugins" folder, seems a bit redundant to me.
[17:40] RobCernich: i agree with that
[17:40] oisin: alright lets do a show of, er, plus-ones....
[17:40] DavidBosschaert: Can we summarize what we are voting on exactly?
[17:40] oisin: yes.....
[17:40] mdelder: Okay
[17:40] mdelder: Option 1:
[17:41] mdelder: /org.eclipse.stp.core
[17:41] mdelder:   features/
[17:41] mdelder:       org.eclipse.stp.core-feature/
[17:41] mdelder:   plugins/
[17:41] mdelder:       org.eclipse.stp.core
[17:41] mdelder:       org.eclipse.stp.core.tests
[17:41] mdelder: Option 2:
[17:41] mdelder: /features
[17:41] mdelder:   org.eclipse.stp.core-feature/
[17:41] mdelder:
[17:41] mdelder: /org.eclipse.stp.core
[17:41] mdelder:   org.eclipse.stp.core
[17:41] mdelder:   org.eclipse.stp.core.tests
[17:41] mdelder: +1 on Option 2
[17:42] oisin: +1 on option 1
[17:42] RobCernich: +1, opt 1
[17:42] askehill: +1 on option 2
[17:42] jrohn: +1 on Option 2
[17:42] DavidBosschaert: I thought the following was also suggested:
[17:42] oisin: [naci does a +1 on option 1, but we're not counting that one here]
[17:43] DavidBosschaert: (Option 3) /features
[17:43] DavidBosschaert:   org.eclipse.stp.core-feature/
[17:43] DavidBosschaert:
[17:43] DavidBosschaert: org.eclipse.stp.core
[17:43] DavidBosschaert: org.eclipse.stp.core.tests
[17:43] DavidBosschaert: (So without a plugins or component name directory)
[17:43] oisin: I don't recall seeing that one...
[17:44] RobCernich: i thought we were talking about opt 1, but without a plugins folder
[17:44] RobCernich: i'd vote for that too
[17:44] DavidBosschaert: Thats what I was trying to write up..
[17:45] oisin: take a look back at michael's wording earlier this was not the case
[17:45] RobCernich: i think it was john that brought this up
[17:46] RobCernich: err, jrohn (sorry)
[17:46] oisin: jrohn will confirm?
[17:46] mdelder: Any other votes?
[17:46] oisin: lurkers unite and at least give us a +0
[17:47] DavidBosschaert: +0 I'm easy with either option.
[17:47] oisin: btw we will need to circulate this on the dev list
[17:47] cctrieloff: +1 on option 2
[17:47] oisin: _briefly_
[17:47] cctrieloff: does that help the voting?
[17:47] jrohn: I was actually agreeing with what michael had said, which is captured in Option 2.
[17:48] oisin: thanks.
[17:48] oisin: naci has a point that he thinks there is something important that you can't do with option 2 [17:48] oisin: to do with top level reflection of the project architecture in terms of sub project features
[17:48] oisin: ok.
[17:49] oisin: we have our straw poll complete and the options outlined
[17:49] mdelder: Sounds good
[17:49] oisin: I will email to list and we shall take more comments over the next couple of days
[17:50] gaelblondelle left the chat room.
[17:50] oisin: then we will engage with the preferred soln
[17:50] oisin: now: is there any other business that is weighing on anyone's mind [17:50] mdelder: If we go with Option 2, we just need to add a / features directory in the root of the repo ...
[17:51] mdelder: I'm also working on the documentation
[17:51] oisin: michael your timing is excellent - you have pre-empted me
[17:51] mdelder: I was planning on popping that out to the website under a Technical Resources heading or what not [17:51] mdelder: Hope to have a version ready by the end of the day which covers some points at a high level, and should provide a starting point for people to ask questions [17:51] oisin: the website is being a problem child at the moment - I'm currently blocked from committing due to a permissions glitch [17:52] mdelder: I didn't think going into great depth initially made too much sense, so I'll flush out the depth as questions arise [17:52] mdelder: Okay, then I can put this under a /doc directory of org.eclipse.stp.core for now
[17:52] mdelder: We can settle on a home at a later point in time
[17:53] oisin: that will do nicely and I will move it onto a technical resources for Core when the commit process is working
[17:53] oisin: can you inform stp-dev when this occurs, please?
[17:53] mdelder: Will do
[17:54] AMiguel left the chat room. ("Chatzilla 0.9.70 [Firefox]") [17:54] mdelder: Are there any initial thoughts or design proposals for soas ?
[17:55] oisin: this is a question for rob...
[17:56] mdelder: I'm a little concerned about the talks last week about using the DTP Connection profiles instead of the WTP Server Integration pieces. I didn't understand exactly what the real proposal was for this; but I'd like to be sure that we are using the WTP Server Integration for any runtime integration in STP [17:56] RobCernich: karl has posted a presentation which summarizes our forthcoming contribution
[17:57] mdelder: I must have missed that .. is that on the website
[17:58] RobCernich: it was posted to stp-pmc
[17:58] mdelder: ah
[17:58] mdelder: Will it be open to discussion for stp committers?
[17:58] oisin: michael's concern has been voiced by other WTP committers, we need to address the situation [17:59] oisin: michael: karl will be posting it to stp-dev and it will be going to live on the website in due course
[18:01] mdelder: Okay -- is this a "proposal" or a solidified design
[18:02] cctrieloff: having discussed this in the past with Karl - there are more than one solution today in eclipse. I was not convinced that WTP gives us all we need, so I think we need to look at what Karl has created, get our requirements down and engage WTP [18:03] cctrieloff: This might be an area where WTP/STP/DTP want to try unify/resolve
[18:03] mdelder: Which is considered more of our platform? WTP or DTP?
[18:03] oisin: michael: what do you mean by 'more of our platform'
[18:04] cctrieloff: I don't think it matters .. the key is what do we need to be most successful [18:04] oisin: STP will be a consumer of technology from WTP/DTP and others [18:04] mdelder: I need to see the proposal before I can really make any comments; I just want to make sure that our server integration story uses the WTP Facets and Server Tools API [18:05] cctrieloff: what do we need from the SCA side + our goal. and then we talk o both and work out what and how best to consume their peices [18:05] mdelder: Otherwise when a STP user goes to create an ESB server (or other runtime), they would have to follow a different server creation path than they did in WTP. STP servers should look more like Application Servers than Database Servers [18:05] cctrieloff: agree - however - SCA is not only about WTP technologies [18:06] RobCernich: i should point out that the connectivity functionality within dtp is _not_ specific to database servers [18:06] oisin: michael: let's wait for the document -- just because this technology has roots in DTP does *not* mean it is DB-centric [18:07] RobCernich: we(dtp) have also been asked to provide an example jee connection profile implementation [18:07] cctrieloff: so do we need to provide something under what WTP has so we can use that for WTP technologies but other cases like BPEL/ SCA java or PHP other issues might exist that WTP does not cover [18:08] oisin: all - I'd like us to continue this on the list because I know there are other WTP committers out there that are very interested [18:09] cctrieloff: the questions is then do we add to it, expand on it, or complement it... I don't think there is a clear answer yet and the Sybase guys have done quite a bit of work in this area so we should take a good look at it
[18:10] oisin: any objections to adjournment at this point?
[18:10] pombreda joined the chat room.
[18:10] cctrieloff: looks like we just did
[18:11] mdelder: I think that's fine; I think we all need to see the proposal before we can continue
[18:11] mdelder: the discussion
[18:11] cctrieloff: agree
[18:11] mdelder: Thanks guys
[18:11] oisin: ok - thank you all for attending today, I will be posting mins to the dev list and look forward to further discussions there.

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