DS, BP, EJB, CDI, WTF!? - Graham Charters
by mfrancis on Nov 01, 2013
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OSGi Community Event 2013 (http://www.osgi.org/CommunityEvent2013/Schedule) ...
OSGi Community Event 2013 (http://www.osgi.org/CommunityEvent2013/Schedule)
There are a number component models available to OSGi developers; Declarative Services (DS), Blueprint (BP), Enterprise JavaBeans (EJB), Contexts and Dependency Injection (CDI). Some have their roots in Java EE, some in open source projects such as the Spring Framework, others are standards at the OSGi Alliance, and some have DNA from all three. As is often the case where there are options available, there's rarely a one-size-fits-all. The 'right' choice may depend on the type of project you're working on, the existing assets, tools and skills at your disposal, and the runtime you're looking to deploy to. This talk will provide a brief overview of the four component models listed, describe their capabilities, standards coverage, tools support, and available implementations, and will show working examples of each, all in an effort to help OSGi users find a path to a component model best suited to their particular task.
Graham Charters is a Senior Technical Staff Member in the IBM WebSphere Application Server development organization. He is responsible for the OSGi Applications feature of the Application Server and a committer and PMC member of the Apache Aries OSGi programming model project. He is also the IBM technical lead in the OSGi Alliance Enterprise Expert Group.
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