Interesting stuff.
This is basically
"closures" which will be available in JDK 8
+ LHS closure pattern support
1) About "closures" which will be available in JDK 8:
Since functions contain Java code, which is imperative, not declarative,
I don't consider that DRL turf any more.
*Our closure syntax should there should be exactly the same as Java 8.*
Here's their syntax, which looks the same on first sight, but the devil
is in the details (= unreleased spec):
http://mail.openjdk.java.net/pipermail/lambda-dev/2011-September/003936.html
Either we wait for JDK 8 to be released to support closures (current
release date is 2012 according to Mark R.'s "plan B" that released JDK 7
in 2011)
or we implement it just like the JDK8 with the exact same syntax (which
is a LOT of work).
2) About LHS closure pattern support.
This builds on top of 1) to allow usage of closures in the LHS.
Cool stuff, I like the piping idea.
Op 19-10-11 23:12, Mauricio Salatino schreef:
Hi Mario, that document looks great.. I will take some time to read it
and I will try to give some feedback.
I was playing with cypher (from neo4j, a graph oriented DB) (total
newbie on that) but looking at your in line acc functions I think that
we can take some concepts from cypher and apply them in DRL.
Cheers
On Wed, Oct 19, 2011 at 5:59 PM, Mario Fusco <[email protected]
<mailto:[email protected]>> wrote:
Hi all,
as anticipated by Mark, I put down some ideas on how we could
start introducing some functional programming features in the DRL.
http://community.jboss.org/wiki/FunctionalProgrammingInDrools
It's needless to say that the document has to been considered just
a draft in its very first stage and any feedback or suggestion to
improve or clarify it is welcome.
Mario
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