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Liferay portal modern architecting and development MODULARITY PATTERNS USING OSGI Rafik HARABI INNOVSQUARE EclipseCon Europe 2015 Who am I ? Software Architect and Liferay Specialist. Building portal using Liferay since 2009 (more

  1. Liferay portal modern architecting and development MODULARITY PATTERNS USING OSGI Rafik HARABI INNOVSQUARE EclipseCon Europe 2015

  2. Who am I ?  Software Architect and Liferay Specialist.  Building portal using Liferay since 2009 (more then 15 portals). rafik.harabi@innovsquare.com @innovsquare https://github.com/innovsquare linkedin.com/rafik.harabi INNOVSQUARE EclipseCon Europe 2015

  3. Who are you ?  Before we get started...  We are building portals at work,  We are building Portal using Liferay,  We have heard about Liferay Portal and we want to learn more. INNOVSQUARE EclipseCon Europe 2015

  4. This talk ...  Liferay monolithic architecture  Modularity promises  Liferay 7 modular architecture  Building modules in Liferay 7: the OSGi way  Customizing & extending modules  Lessons learned & takeaways INNOVSQUARE EclipseCon Europe 2015

  5. A few words about Liferay  Open source leader Portal that implement Portlet API 1.0 (JSR 168) and Portlet 2.0 (JSR 286)  Lines of Code : 5. 1 Millions  About 70 Out of The Box Portlets  Features: Web Content Management, Document Management, Workflow, Search, Enterprise Collaboration & Social Networking, …  A marketplace: 490 apps http://liferay.com/marketplace INNOVSQUARE EclipseCon Europe 2015

  6. A few words about Liferay Portlets Instances Site Site Site Site Site Site Portal Instance Portal Instance System INNOVSQUARE EclipseCon Europe 2015

  7. Liferay monolithic architecture Application Server Liferay Portal WAR Core Services Web Content Management Blog Wiki … Portlet Application Portlet Application Portlet Application INNOVSQUARE EclipseCon Europe 2015

  8. Liferay class loading hierarchy WAR WAR WAR WAR Portal Class Loader Plugin A Plugin B Plugin C Portal Services Impl Service A Service B Service C Application Server Class Loaders Portal Services API JDK Class Loaders INNOVSQUARE EclipseCon Europe 2015

  9. Liferay class loading hierarchy WAR WAR WAR WAR Portal Class Loader Plugin A Plugin B Plugin C Portal Services Impl Service A Service B Service C Application Server Class Loaders Portal services api JDK Class Loaders INNOVSQUARE EclipseCon Europe 2015

  10. Liferay class loading hierarchy WAR WAR WAR WAR Portal Class Loader Plugin A Plugin B Plugin C Portal Services Impl Service A Service B Service C Application Server Class Loaders Portal services api JDK Class Loaders INNOVSQUARE EclipseCon Europe 2015

  11. Liferay class loading hierarchy WAR WAR WAR WAR Portal Class Loader Plugin A Plugin B Plugin C Portal Services Impl Service A Service B Service C Application Server Class Loaders Portal services api JDK Class Loaders INNOVSQUARE EclipseCon Europe 2015

  12. Portal customization capabilities * Liferay Buyer’s Checklist INNOVSQUARE EclipseCon Europe 2015

  13. Portal customization capabilities Extend menu Add Entry Customize INNOVSQUARE EclipseCon Europe 2015

  14. Portal customization capabilities Customization should be a first class citizen Extend menu Add Entry Customize INNOVSQUARE EclipseCon Europe 2015

  15. Liferay releases vs Business agility 2012 2014 2015 2013 2016 6.2.2 6.1.0 6.2.1 6.2.0 > 1 year  Business agility  Recurrent incremental change services building and delivery are going from few months to few weeks to few days INNOVSQUARE EclipseCon Europe 2015

  16. Limits of the Liferay monolithic architecture  Invoking service between plugins /portlets:  No standard solution  Technical debt: hard to maintain  An All-in-One Package  One big war of 230 MB  Cannot deploy only what is needed: minimal version  Cannot manage portal features separately  Deployment depends on app server  Scalability: only one dimension scaling  Marketplace: overriding JSP creates conflicts INNOVSQUARE EclipseCon Europe 2015

  17. Modularity promises  Portlet independent versioning from Liferay Portal  OSGi semantic versioning  Business Agility:  More frequent delivery of new features or improvements  Easy and decoupled development process.  Contract first approach / Loose coupling  Dynamic extensions INNOVSQUARE INNOVSQUARE EclipseCon Europe 2015

  18. Modularity promises  Resiliency /design for failure  Enhance Security : bundle isolation/seal  Patching : just replace the bundle  Microservices: small and independent (both for development and deployment) Make your product Powerfully customizable INNOVSQUARE EclipseCon Europe 2015

  19. Modularity challenges  Communications challenges => OSGi provides in VM-microservices. Zero configuration.  How do I manage the configuration ? OSGi Framework provides Configuration Admin service. INNOVSQUARE EclipseCon Europe 2015

  20. From monolithic to microservices OSGi Container Liferay Portal WAR ldap auth messaging cache Core Services (ldap auth , messaging, cache …) OSGi Service Registry Wiki Blog … Blog UI Wiki UI Blog API Wiki API Blog Service Wiki Service INNOVSQUARE EclipseCon Europe 2015

  21. Liferay 7 modular architecture Application Server Liferay Portal Core (not yet extracted) OSGI Container Log Service Http Service App App Module JSP Support Module Module App App Config Admin INNOVSQUARE EclipseCon Europe 2015

  22. Liferay 7 modular architecture Statistics (based on Liferay 7 alpha1):  Number of extracted bundles: 326  Number of integration points > 200 INNOVSQUARE EclipseCon Europe 2015

  23. Liferay module framework base path of the module framework Testing bundles Liferay’s module framework bundles Module bundles Portal core’s services bundles Bundles to start with the module framework framework persistence directory Test utility Tools INNOVSQUARE EclipseCon Europe 2015

  24. Liferay module framework Liferay Portal Hot deploy listeners Module deploy Liferay custom bundle folder IndexPostProcessorWrapper ServiceRegistryWrapper registration Utility (Service Tracker) Liferay Service Registry Liferay Service Tracker Liferay Core’s Services OSGi Container OSGi Service Registry Bundle A Bundle B Bundle C INNOVSQUARE EclipseCon Europe 2015

  25. Liferay module framework  Liferay 7 owns the deployment Lifecycle: no longer relaying on application server for deployment.  Dynamically manage module lifecycles.  Liferay modules are versioned and explicitly declare dependencies. INNOVSQUARE EclipseCon Europe 2015

  26. Building modules with OSGi  Liferay support various OSGi framework:  OSGi API  Blueprint  iPOJO  OSGi Declarative Services INNOVSQUARE EclipseCon Europe 2015

  27. Building modules with OSGi Which technology is recommended by Liferay ?  Liferay recommendation is to use declarative services. INNOVSQUARE EclipseCon Europe 2015

  28. Portlets using Declaratives Services XML Configuration Annotation (DS) 6.2 and earlier 7.0 portlet.xml liferay-portlet.xml liferay-display.xml Portlet as a service INNOVSQUARE EclipseCon Europe 2015

  29. Modularize the service builder  Service builder : Liferay service layer code scaffolding 6.2 and earlier 7.0 Portlet Application (WAR) Bundles (Jars) API API (jar) Service Service Impl Test Portlet UI (JSP, …) Service Registry INNOVSQUARE EclipseCon Europe 2015

  30. Sharing services between applications  Zero Effort, Zero Configuration ! All what you need is to publish your services in the OSGi service registry. Service A Portlet 1 Service B Portlet 2 Service C Portlet 3 Service D Service Registry INNOVSQUARE EclipseCon Europe 2015

  31. Overriding Liferay’s services INNOVSQUARE EclipseCon Europe 2015

  32. Overriding core services  deploy a service with a higher service ranking than the original Using OSGi service ranking : property= {"service.ranking:Integer=100"} INNOVSQUARE EclipseCon Europe 2015

  33. Portlet Filter 6.2 and earlier 7.0 Portlet Application (WAR) Bundles (Jars) Portlet Filter - Defined inside the portlet app ! - Hard to implement filter for OTB portlets INNOVSQUARE EclipseCon Europe 2015

  34. Portlet Filter 6.2 and earlier 7.0 Portlet Application (WAR) Bundles (Jars) Portlet Filter Portlet Portlet Filter - Defined inside the portlet app ! - Hard to implement filter for OTB portlets INNOVSQUARE EclipseCon Europe 2015

  35. Split into modules : Form Builder as example INNOVSQUARE EclipseCon Europe 2015

  36. Split into microservices: Form Builder as example 6.2 (Monolithic) 7 (OSGI) INNOVSQUARE EclipseCon Europe 2015

  37. Split into microservices: Form Builder as example com.liferay.dynamic.data.mapping.type.checkbox.jar com.liferay.dynamic.data.mapping.type.radio.jar com.liferay.dynamic.data.mapping.type.text.jar com.liferay.dynamic.data.mapping.type.select.jar INNOVSQUARE EclipseCon Europe 2015

  38. Split into microservices: build for extension My custom type INNOVSQUARE EclipseCon Europe 2015

  39. Portal Configuration API Available Configuration for Liferay 6:  Portal properties files:  don’t have types  restart on every change  Portal.properties file:  One big file with 10000 lines  Portlets preferences:  XML based  don’t support types INNOVSQUARE EclipseCon Europe 2015

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