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Changes for page WebObjects with Scala

Last modified by Ravi Mendis on 2011/05/10 02:10
From version 490.1
edited by Ravi Mendis
on 2010/12/24 00:08
Change comment: There is no comment for this version
To version 493.1
edited by Ravi Mendis
on 2010/12/24 00:25
Change comment: There is no comment for this version

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1 1  === What is Scala? ===
2 2  
3 -[[Scala>>http://en.wikipedia.org/wiki/Scala_(programming_language)]] is a modern, multi-paradigm JVM language that is most often compared to [[Groovy>>http://en.wikipedia.org/wiki/Groovy_(programming_language)]], [[Clojure>>http://en.wikipedia.org/wiki/Clojure]] or [[Erlang>>http://en.wikipedia.org/wiki/Erlang_(programming_language)]]. Its [[functional language>>http://en.wikipedia.org/wiki/Functional_programming]] foundations and built-in Actors library makes it especially attractive for concurrent computing. In this day and age of multi-core processors concurrent computing can not be ignored.
3 +[[Scala>>http://en.wikipedia.org/wiki/Scala_(programming_language)]] is a modern, multi-paradigm JVM language that is most often compared to [[Groovy>>http://en.wikipedia.org/wiki/Groovy_(programming_language)]], [[Clojure>>http://en.wikipedia.org/wiki/Clojure]] or [[Erlang>>http://en.wikipedia.org/wiki/Erlang_(programming_language)]]. Its [[functional language>>http://en.wikipedia.org/wiki/Functional_programming]] foundations and built-in Actors library makes it especially attractive for concurrent computing. Scala is an abbreviation for "scalable" hinting at its design goals. In this day and age of multi-core processors concurrent computing can not be ignored.
4 4  
5 5  Many of Scala's features have been designed with concurrency in mind, some of which may not be unfamiliar to Objective-C or WebObjects developers. Here's a summary:
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31 31  
32 32  ===== Caveats =====
33 33  
34 -Tool support is a weak point. If your Application class is in Scala then you will have to create an Eclipse launch configuration manually. Also the [[Scala plugin>>http://www.scala-ide.org]] is rather slow and still very buggy.
34 +Legacy tool support is often cited as a weak point. If your Application class is in Scala then you will have to create an Eclipse launch configuration manually. Also the [[Scala plugin>>http://www.scala-ide.org]] can be slow at times and sometimes buggy.
35 35  
36 36  = WebObjects In Scala =
37 37  
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223 223  1. [[Install the Scala eclipse IDE>>http://www.scala-ide.org/]]
224 224  1. Right-click on Application.java and run as a WOApplication (as usual).
225 225  
226 +{{note}}
227 +
226 226  Application can be made into a Scala class as well, but then you will have to create a launcher in Eclipse manually.
227 227  
230 +{{/note}}
231 +
228 228  == EO Templates ==
229 229  
230 230  When you create your ##.eogen## file, be sure to make the following changes in the EOGenerator Editor: