Languages like Scala, Clojure and dialects like Jython and JRuby are easier to support since they are JVM based and can interoperate with Java.
Non JVM lanugages are a lot more work to support and also present significant performance issues because converting objects across the JVM boundary is often a heavy duty process. Ram On Mon, Sep 28, 2015 at 11:36 PM, Chinmay Kolhatkar <[email protected] > wrote: > This is great. Would it also make sense to have similar using native > language like C++ using JNI bindings. > > To my knowledge, complex enterprise based applications prefer language > closer to native for high performance and better memory utilization. > If we could get writing a streaming application in C++ along with power of > Apex, that would add a lot of value in my opinion. > > Any thoughts? > > > ~ Chinmay. > > On Mon, Sep 28, 2015 at 9:06 PM, Munagala Ramanath <[email protected]> > wrote: > > > Hi Tushar, > > > > This is a great project to add to dtBackyard at: > > https://sites.google.com/a/datatorrent.com/dtbackyard/project-ownership > > > > Ram > > > > On Mon, Sep 28, 2015 at 7:29 AM, Tushar Gosavi <[email protected]> > > wrote: > > > > > Hi All, > > > > > > I am trying to see how we can write a Streaming Application using Scala > > > language, > > > as Scala targets JVM and has good interoperability with Java. > > > > > > I am able to port simple pi demo in Scala along with the operators. > > Please > > > take > > > a look at PR#40 ( > https://github.com/apache/incubator-apex-malhar/pull/40 > > ) > > > for this work, and provide feedback. > > > > > > Created following operators in Scala > > > - RandomItemGenerator : Generate random points in 2d space. > > > - PiCalculator : Calculates value of pi > > > - ConsoleOutOperator : Write value of tuple on stdout, I could not > use > > > the Java operator available in Malhar, because scala does more strong > > type > > > checking. (I need to look into this more) > > > > > > And use these operators to write a simple streaming application. > > > > > > The following functionality is working > > > - Scala Operators recovers correctly from the crash. > > > - Scala supports generating setters/getters using @BeanProperty > > annotation, > > > and these > > > properties become accessible through config file and we can set them > > > dynamically through dtcli. > > > - get-operator-properties is working. > > > > > > > > > Thanks, > > > -Tushar. > > > > > >
