Developing faster than ever (Liferay DEVCON 2017)
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Developing faster than ever (Liferay DEVCON 2017)
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Developing faster than ever (Liferay DEVCON 2017)
- 1. Sébastien Le Marchand | @slemarchand Developing faster than ever No more wasting time Sébastien Le Marchand @slemarchand
- 2. Sébastien Le Marchand | @slemarchand § About efficiency § Hands-free coding § Deploying without waiting § What’s next? Agenda
- 3. Sébastien Le Marchand | @slemarchand § 10 years of experience on Liferay (since v4.3) § Including 6 years as employee of a « Gold Service Partner » company § Now Freelancer Sébastien Le Marchand @slemarchand linkedin.com/in/slemarchand Paris, France
- 5. Sébastien Le Marchand | @slemarchand « Efficiency is the (often measurable) ability to avoid wasting materials, energy, efforts, money, and time in doing something or in producing a desired result. In a more general sense, it is the ability to do things well, successfully, and without waste. » [wikipedia.org]
- 7. Sébastien Le Marchand | @slemarchand § Writing & debugging recurring code § Waiting during compilation, packaging or deployment § Repeating again and again the same manual tasks from GUI What is waste in development activities?
- 9. Sébastien Le Marchand | @slemarchand § Avoid time spent to manually write this code § Reduce bugs… and so reduce time to fix them ! § Improve code homogeneity… and so maintenability ! Why generate « recurring » code?
- 10. Sébastien Le Marchand | @slemarchand § Blade templates (26) § Maven archetypes (48) § Liferay Studio Templates (25) Code generation 101: create project from templates $ blade create –t mvc-portlet myproject-web $ mvn archetype:generate -Dfilter=liferay
- 11. Sébastien Le Marchand | @slemarchand § Define services through service.xml file § Persistance services layer: fully generated § Business services layer : very basic… you need to code the missing parts! Service Builder: generate services layers
- 12. Sébastien Le Marchand | @slemarchand resource-actions/default.xml *LocalServiceImpl::* portlet-model-hints.xml *.jsp *Portlet *ActionCommand *PermissionChecker *Indexer . . . . . . *RenderCommand CRUD UI Service Builder generated code
- 13. Sébastien Le Marchand | @slemarchand § Some basic CRUD mechanics (ID creation for example) § Permissions § Indexing § Asset features handling § Web layer (the portlet!) § … Service Builder missing stuff for common use-cases
- 14. Sébastien Le Marchand | @slemarchand A New Hope Damascus CLI base.json models descriptor « Ready-To-Go » OSGi modules myproject-api myproject-service myproject-web
- 15. Sébastien Le Marchand | @slemarchand https://github.com/yasuflatland-lf/damascus by Yasuyuki Takeo (here at DEVCON 2017)
- 16. Sébastien Le Marchand | @slemarchand § « Events Manager » application § 1 model: « Public Event » Let’s go with a concrete example
- 17. Sébastien Le Marchand | @slemarchand § Initialize project (from a Liferay Workspace) § Update model in events-manager/base.json file § Generate modules with Damascus Just do it! $ cd events-manager $ damascus -create $ damascus -init EventsManager -p com.slemarchand.events
- 18. Sébastien Le Marchand | @slemarchand { "projectName": "EventsManager", "packageName" : "com.slemarchand.events", "liferayVersion": "70", "applications": [ { "model" : "PublicEvent", "title" : "Public Event", "web" : "true", "asset": { "assetTitleFieldName": "eventTitle", "assetSummaryFieldName": "eventSummary", "categories": "true", "discussion": "true", "ratings": "true", "tags": "true", "relatedAssets": "true", "fullContentFieldName": "eventFullContent", "workflow": "true", "generateActivity": "true", "trash":"true" }, "fieldsName" : "Events", "fields": [
- 19. Sébastien Le Marchand | @slemarchand "generateActivity": "true", "trash":"true" }, "fields": [ { "type": "com.liferay.damascus.cli.json.fields.Long", "primary":true, "name": "eventId", "title": "ID", "showFieldInView": "false", "required": "true" }, { "type": "com.liferay.damascus.cli.json.fields.Varchar", "name": "eventName", "title": "Name", "length": "80", "showFieldInView": "true", "required": "true" }, ] } ] } …
- 20. Sébastien Le Marchand | @slemarchand Ready to deploy! $ blade deploy
- 27. Sébastien Le Marchand | @slemarchand § « Fire & Forget »: after manual code modification, you can’t safely launch generation again § If you want, you can just keep small parts of generated code What are usages for Damascus? « Service » components « Web » components Service Builder generated code
- 28. Sébastien Le Marchand | @slemarchand § Give some feedback § Create new issues § Comment existing issues § Contribute § See README.md file in repo We need you! https://github.com/yasuflatland-lf/damascus
- 29. Sébastien Le Marchand | @slemarchand Tribute to XML Portlet Factory Jack A. Rider Juan Gonzalez § Pioneer of CRUD full-generation for Liferay § Available for all 6.x versions of Liferay § 6.0 § 6.1 § 6.2 § Get it § http://www.xmlportletfactory.org § https://github.com/xmlportletfactory/xmlportletfactory
- 31. Sébastien Le Marchand | @slemarchand § (Re-)Starting app server (maybe 1 or 2 times by day), § Building project, § Deploying to local server, § First request (empty cache, JSP compilation, etc) Developing implies so often waiting
- 33. Sébastien Le Marchand | @slemarchand § Use Tomcat on your local machine § Uninstall permanently the unused modules § Remove or alter some *.lpkg files, from ${liferay.home}/osgi/marketplace § Don’t forget to clean work & osgi/state directories Reducing app server start time
- 34. Sébastien Le Marchand | @slemarchand « Jukebox » sample application(2): § Build (blade) in 19,78 s without Gradle deamon § Build (blade) in 14,78 s with Gradle deamon § Bundle installation in 3,2 s Deployement duration(1) (1): MacBook Air (13-inch, Mid 2013) - 1,7 GHz Intel Core i7 - 8 Go 1600 MHz DDR3 (2): https://github.com/epgarcia/jukebox-portlet/tree/LSNA.2016.Upgrade.to.7
- 35. Sébastien Le Marchand | @slemarchand § JRebel synchronize IDE workspace and the application deployed on the local server. § When developer make some code changes, JRebel instantly update bytecode (and resources) on local server, without full deployment. § Adding / removing / changing Classes, Methods, Constructors, Fields, Annotations and Static field values JRebel
- 36. Sébastien Le Marchand | @slemarchand § 3 steps § Set JRebel Java Agent via $JAVA_OPTS § Add org.zeroturnaround:gradle-jrebel-plugin plugin to your Gradle project § Customize rebel.xml § All details : § https://web.liferay.com/fr/web/jardineworks/blog/-/blogs/liferay-7-jrebel How-to configure JRebel for Liferay 7
- 37. Sébastien Le Marchand | @slemarchand § JRebel is a commercial product (there is a free-trial period) § Not everyone can or want to buy a licence § So alternatives are welcome in some contexts! Instant deployment without JRebel ?
- 38. Sébastien Le Marchand | @slemarchand § For themes, standard liferay-theme-tasks do the job with watch task § https://dev.liferay.com/develop/reference/- /knowledge_base/7-0/theme-gulp-tasks Instant theme deployment $ gulp watch
- 39. Sébastien Le Marchand | @slemarchand § Install § Run from the module directory § Each change in module sources is automatically synchronized using gogo shell Instant modules deployment: liferay-osgi-watch $ sudo npm install -g liferay-osgi-watch $ lwatch
- 40. Sébastien Le Marchand | @slemarchand « The fastest way to deploys is just… to not deploy » [some hurry developer]
- 41. Sébastien Le Marchand | @slemarchand § Serving resources directly from source code § Provide capability to define rules to route some browser requests to particular local files § With « Map Local » proper configuration, static resources (CSS, JS) are loaded in browser from IDE workspace local files JS & CSS: « Map Local » feature of Charles Proxy charlesproxy.com
- 42. Sébastien Le Marchand | @slemarchand § You can test your local static resources (including JS) § With no deployment delay § On any environment… including PRODUCTION 🎉 § Privately, without impacting other users Beyond the local server
- 44. Sébastien Le Marchand | @slemarchand § Each of you knows at least one uncommon trick to develop faster § All together, you are an huge developement tips database ! YOU are the next step!
- 45. Sébastien Le Marchand | @slemarchand § Publish § Spread the word Share your tips & tricks Liferay Blogs
- 46. Sébastien Le Marchand | @slemarchand Thanks! Some questions? Want to share some tips? http://lemarchand.co/devfaster @slemarchand linkedin.com/in/slemarchand Sébastien Le Marchand