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Here are wwo ways to get into EJB 3.x. For the complete beginner, Adam has a EJB 3.0 in 5 minutes. And for the advanced user, PACKT Books just published Michael Sikora's EJB 3 Developer Guide home page, TOC, Amazon). Both use the GlassFish Server For a while I thought that EJBs were always going to be - or be perceived as - "too (conceptual) heavy"; maybe EJB 3.1 and EJB3.1 lite will actually change this. More EJB notes at EJB posts at TA |
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Java Champion, Adam Bien has been running the following series of blogs around EJB 3 in the past few days -
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Adam makes several points around the "lightweightness" of EJB's both at development time and runtime, contrasts the EJB3 approach with similar yet different technologies like Spring or Guice, and takes the upcoming EJB 3.1 improvements into account concluding that EJB's should be considered as no more than "midweight". Overall this three-part set of posts is a very nice read with fact-based opinions.
Adam Bien is an independent consultant and a member of the several JCP Expert Groups (EJB 3.1, Java EE 6, ...) and will be presenting on GlassFish v2 and v3 at Jazoon next week in Zurich, Switzerland.