VIATRA/DeveloperMeetingMinutes/Meeting20160804

Topics

Aggregators
- Demo probably next week
- Rete integration complete
- Type inferrer integration in progress - TODO Zoli
LS progress
- CPS benchmark framework & build job has been enhanced with
  - Git commit ID
  - Plugin version ID
  - Example: https://build.incquerylabs.com/jenkins/job/viatra-cps-benchmark/49/artifact/benchmark/diagrams/
- TODO Reduced CPS benchmark has to be created
  - Less variants
  - Only M2M
- Base indexer has the possibility to calculate only instance count
  - Issue fixed with planner’s cost function
  - LS provides reasonable trade-off between runtime & memory consumption
- TODO (lower priority) - Further performance issue: Init phase is 2x slower than Rete
  - Possible cause (hypothesis): reindexing during Init phase
- TODO (higher priority) - Usability enhancements to specify hints
  - Grammar
  - Validator
  - API
Milestone 1 for release 1.4 tomorrow
- Don’t push very breaking changes if possible
Graphical pattern language syntax demo
- Contribution by Ádám Lengyel
- Visualize & edit patterns graphically
- Two-way synchronization with existing textual instance model
- Pattern language features covered
- Expressions can be edited with Xtext inline editor
- Sirius was patched during development to support corner cases of integration with Xtext
Sirius - VIATRA Query integration
- Business model to view model transformation can be defined with VQL
- In Sirius 4.1 refresh may reuse incremental capabilities of VQL interpreter