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WTP Architecture Working Group
Contents
WTP Architecture Working Group
Plans
- Update our high level architecture document
- Make current with how things currently are (add, JSF, JPA, DTP, etc.)
- Make current with how we want things to be (improved componentization, etc)
- Make a Projects View
- Make a Features View
- Make recommendations that are important to release 3.0, such as
- Can we install and/or enable proper capabilities for various install scenarios?
- Should/can some plugins move to better components/features?
- Work with project leads for the "bottoms up" perspective, and address what's realistic
Minutes 9/14
Attendees: Konstantin, Nitin, Cameron, David W, Tim dB
Some of the discussion topics:
- Long term, should/can we use the build to enforce architecture?
- We can build things separately, but build currently assumes things go in a single order, i.e. once things are built they are available to all future components that build.
- Should the foundation supply build infrastructure?
- They already provide machines and much infrastructure.
- Build project has been suggested before, and other teams have tried to promote their build technology. There has been little interest.
- Maybe just common scripts or mechanisms for sharing?
- WTP structure is now several projects, each with core vs UI and wst vs jst split.
- Suggestion of packaging individual features or components for download. Could be on a separate download page, but would allow adopters to get exactly what they want.
- Is that overkill?
- Unclear how 3.4 provisioning work might affect features.
- We should break components up as wst/jst when we look at dependencies.
- Will want to eventually investigate core/UI split too.
- Should tests be included as part of a component?
- In practice we should have component level tests (part of a component) and project/cross-component tests. In reality most tests are component level, but some components have cross-component tests too.
- General agreement we should look at our dependencies without tests (to investigate the clean/runtime view of things) and also compare to see what dependencies tests add.
- Discussed Konstantin's visualization tool, Tim's dependency tool
- Cyclic dependencies are bad. :)
- What about other dependencies, esp. JDT?
- Should come up with a view of what requires JDT and what doesn't.
- JEM and EMF both have non-JDT/JDT split as well.
Actions:
- Konstantin: Check on legal issues and send out source to tool
- Tim: Start modifying tool to read K's component format, start editing existing wiki page, setup next meeting
Minutes 9/24
Attendees: Nitin, Tim dB
- canceled since nobody else showed up!
- review last minutes
- finish discussion
- action items
- where to go?
Meeting 10/1
Attendees: Konstantin, Nitin, Cameron, Tim
- minutes lost, thanks to a Windows blue screen
Meeting 10/9
- Date: Tuesday, October 9th
- Time: 2pm EDT/11am PDT
Attendees:
Topics: API, best practises
October 22nd
Features
- Core & UI shouldn't be split without specific reason, other feature splits (docs?) may not make as much sense either
- We're not going to redo all of WTP, but we should have an overall architectural plan
- interest is in starting with some of the core components - creating better features and separate downloads to promote reuse
- discussed of the chicken & egg problem with separating out features and having adopters
- decided that facets & snippets are the most logical components for reuse
Action items:
- 1 - Write up policy on feature design for review (Tim)
- 2 - Send note to community to get feedback on facets & snippets split, other ideas (Nitin)
- 3 - Investigate dependencies and build changes required to make the split (Konstantin, Tim)
- 4 - Send note to broader community (projects & users) to increase awareness and get feedback (later)
Internal API Usage
- Reviewed current policy of usage scans, why it was adopted, and the need for a new policy
- Suggestion of a grandfather date whereby we no longer accept usage scans
- Discussed how our deprecation policy (for API, internal, and provisional) is tightly tied to this
- Discussed the need to separate between legitimate v.s non-legitimate usage
- Need some form of component/project 'graduation' from internal usage policy
Action item:
- Write up a new policy for review (Tim)
Next meeting
- Date: Monday, October 29th
- Time: 2pm EDT/11am PDT
- Call-in Info: 1 866-245-5059 Passcode: 4203514
- Review feature architecture policy
- Review deprecation and internal usage policy
- Update on action items
Start of a new wiki page: http://wiki.eclipse.org/WTP_Projects_and_Features