[infinispan-dev] scala code in Infinispan

[Manik Surtani]

On 31 Jan 2013, at 12:47, Bela Ban <bban at redhat.com> wrote:

> 
> On 1/31/13 1:37 PM, Manik Surtani wrote:
>> 
>> On 31 Jan 2013, at 12:35, Mircea Markus <mmarkus at redhat.com 
>> <mailto:mmarkus at redhat.com>> wrote:
>> 
>>> I don't think that encouraging scala code is good purely for 
>>> maintenance reasons. If there's a choice, it should be java. Not 
>>> saying that learning a new language is not cool - but in practice 
>>> people are a bit put off by maintaining Scala code. Its not only 
>>> about what the writer of the code prefers as a language: it's more 
>>> important what the maintainers of the code
>>> will has to work with.
>> 
>> Would such maintainers also be put off by new language features 
>> (lambdas) in Java 8 when we (eventually) baseline to it?  :-)
> 
> I don't think so. First, this will be a few years off anyway.

Sooner than you think - according to schedule, it is feature-complete (as of today) and targeted for GA in September.

http://openjdk.java.net/projects/jdk8/
http://www.infoq.com/news/2012/04/jdk-8-milestone-release-dates

Java 6 is EOL from next month and Java 7 will be EOL by July 2014.  Oracle's being pretty aggressive with moving Java forward.

http://www.oracle.com/technetwork/java/eol-135779.html


> Second, 
> this will not pose cross-language debugging problems. And third, even 
> Java+closures is still Java.

What does that mean?  It makes an imperative programming language more functional in style.  So yes, while it still has the Java brand, I'd argue that it is becoming more than that.  Best practices, paradigms and patterns will change and give way to even better ways of doing things.  It is, effectively, learning a new language (as opposed to just a new API).

> 
> Nice try, advocatus diaboli ! :-)
> 
> -- 
> Bela Ban, JGroups lead (http://www.jgroups.org)
> 
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--
Manik Surtani
manik at jboss.org
twitter.com/maniksurtani

Platform Architect, JBoss Data Grid
http://red.ht/data-grid