I wound up too busy to maintain my daily reports, but here are a couple of items I want to highlight as important take-aways from SpringOne 2GX. Rather than just recap sessions or dole out marketing-type praise, I’m going to focus on some things I learned that I didn’t necessarily expect.
- A lot of people who advocate Scala or Clojure over Groovy emphasize their scalability and features like immutable objects. Groovy’s
@Immutableannotation takes care of the latter, and the gpars project handles the rest. You can use
@Immutableright away. The gpars project is still pretty early in its lifecycle, but it’s going to be HUGE.
- By the way, despite the fact it looks like it’s pronounced “Gee-Pars” (and Paul King kept calling it that), I love the way Scott Davis kept referring to it as “jeepers” 🙂
- Twitter has reached “essential” status at conferences. This is the first conference I attended where I would have missed half of what was going on if I hadn’t been using my Twitter client the whole time (I use twhirl, btw, but I’m open to other possibilities). Most of the presenters (@glaforge, @graemerocher, @paulk_asert, @daveklein, @jeffscottbrown, @scottdavis99, @aalmiray, and several others that would come to mind if I thought harder about it) were continually tweeting good info. As a company, @ManningBooks did an excellent job, especially with their #hideandtweet game.
- As a totally unexpected (to me) underlying theme, the rise of non-relational databases is striking. Apparently, the major cloud providers (Google AppEngine, Amazon SimpleDB) have decided that relational simply doesn’t scale, so they’re going with “schemaless” solutions. I had no idea how significant that was until I heard enthusiastic support for the idea from the audience of one of the Amazon cloud computing sessions. I know a lot of DBAs who are in for quite a shock. So is Oracle, too, and that’s got to be a Good Thing.
- Like Grails recently and Ruby on Rails before that, the new Spring Roo project makes existing web development approaches look antiquated. Roo and Grails are siblings that will learn a lot from each other as they continue to grow. For example, Grails has an interactive console, but it isn’t nearly as cool as Roo’s. I’m sure that’ll change soon enough.
- The extraordinarily humility and friendliness of the Groovy and Grails core teams is charming. Everyone I met seems almost embarrassed to be having so much fun working on something they like so much. There’s none of the arrogance or elitism that characterizes so many other revolutionary groups, and they always go out of their way to help and answer questions. I love talking to them and really hope to be included as one of them some day.
- Speaking of that, sometimes timing is everything. I told Guillaume Laforge (Groovy team lead, for those who don’t know) that he was one of my personal heroes and nearly made him spit up his drink. Sorry, I didn’t get a picture. 🙂
- Griffon made several fans at the conference, especially among the existing Groovy people. I still think it’s a bit early for mainstream practice, but all the signs are favorable.
- October is definitely the right time to visit New Orleans.
I had a very good time at the conference and am already looking forward to the next one.
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