[Haskell-cafe] Talking to Java from Haskell?

[Daniel Cook]

> A simpler solution might be Facebook's thrift [1]

This is a very interesting solution.  I'll investigate Thrift further,
but it may wind up being what I do.  Does anyone know how solid this
code is in Haskell?

> the Java binary directly from Haskell using System.Process and friends, and
> rather than communicating over ports, communicate over pipes.

Cool!    This is probably a second step, though - first get the code
working, then worry about
making it all fast.


On Fri, Jul 9, 2010 at 5:11 AM, sterl <s.clover at gmail.com> wrote:
> Daniel Cook wrote:
>>
>> b) Wrap the Java library with some code to use a lightweight message
>> queue (zeromq) to send messages to my Haskell program?  (This would
>> require essentially re-implementing an abstracted subset of the the
>> protocol into 0MQ messages)
>
> A simpler solution might be Facebook's thrift [1] (now an Apache project).
> You write a simple file in a C-inspired IDL which gives typedefs and RPC
> signatures, and not only do you get the data structures and serialization
> functions in a number of target languages including Haskell and Java, but
> you get lightweight, relatively robust, server and client implementations.
> The implementations of the Java functions can then be written in Scala or
> Clojure, so you avoid having to leave fp-land entirely. One could even run
> the Java binary directly from Haskell using System.Process and friends, and
> rather than communicating over ports, communicate over pipes. In any case,
> I've had good luck with this approach.
>
> Cheers,
> Sterl.
>
> [1] http://incubator.apache.org/thrift/
>