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From Márton Balassi <balassi.mar...@gmail.com>
Subject Re: Scala API rewrite almost complete
Date Sun, 14 Sep 2014 10:48:34 GMT
Answer posted to "Example packages naming convention" thread as the issue
diverged from this topic.

On Sun, Sep 14, 2014 at 11:14 AM, Kostas Tzoumas <ktzoumas@apache.org>
wrote:

> Good catch, I suggest to use examples
>
> On Sat, Sep 13, 2014 at 3:27 PM, Márton Balassi <balassi.marton@gmail.com>
> wrote:
>
> > Pull request issued. One minor naming concern:
> >
> > As of today the scala examples are located at
> > the org.apache.flink.examples.scala package, while the java ones in
> > the org.apache.flink.example.java. I suggest using only one convention
> for
> > this either example or examples.
> >
> > Cheers,
> >
> > Marton
> >
> > On Fri, Sep 12, 2014 at 9:17 PM, Márton Balassi <
> balassi.marton@gmail.com>
> > wrote:
> >
> > > Sorry for being a bit silent after already bidding on LR. The pull
> > request
> > > is coming soon.
> > >
> > > On Fri, Sep 12, 2014 at 6:25 PM, Stephan Ewen <sewen@apache.org>
> wrote:
> > >
> > >> I suppose that having the option between simple return type, and a
> > >> collector is the easiest to understand.
> > >>  Am 12.09.2014 16:50 schrieb "Aljoscha Krettek" <aljoscha@apache.org
> >:
> > >>
> > >> > So, should I change join and coGroup to have a simple return value,
> no
> > >> > Option or Collection? Also what's happening with the relational
> > >> > examples and the LinearRegression examples? I'd like to make a pull
> > >> > request before this weekend.
> > >> >
> > >> > I also added a test that checks whether the Scala API has the same
> > >> > methods as the Java API (ScalaAPICompletenessTest).
> > >> >
> > >> > On Fri, Sep 12, 2014 at 4:00 PM, Aljoscha Krettek <
> > aljoscha@apache.org>
> > >> > wrote:
> > >> > > Yes, there is already a Collector version, you can do:
> > >> > >
> > >> > > left.join(right).where("foo").equalTo("bar") {
> > >> > >   (left, right, out: Collector[Page]) =>
> > >> > >     if (...) out.collect(...)
> > >> > > }
> > >> > >
> > >> > > I wasn't sure on what our Function2 variant should be. That's why
> I
> > >> > > asked. There are some cases where you want to have the option (pun
> > >> > > intended) of either returning something from a join or not. But
> you
> > >> > > could also use a filter after the join. It's a preference thing, I
> > >> > > suppose.
> > >> > >
> > >> > > On Fri, Sep 12, 2014 at 2:43 PM, Stephan Ewen <sewen@apache.org>
> > >> wrote:
> > >> > >> I think it seems weird that normal joins need to go through
> option.
> > >> > >>
> > >> > >> The option variant is to allow filters in the join function.
> > >> Wouldn't a
> > >> > >> collector variant allow you to do the same, and would be
> function3
> > ?
> > >> I
> > >> > know
> > >> > >> that option reads more functionally...
> > >> > >>
> > >> > >>
> > >> > >>
> > >> > >> Am 12.09.2014 14:24 schrieb "Aljoscha Krettek" <
> > aljoscha@apache.org
> > >> >:
> > >> > >>>
> > >> > >>> As already mentioned this is not possible because of type
> erasure.
> > >> We
> > >> > >>> can only have one join variant that takes a Function2.
> > >> > >>>
> > >> > >>> On Fri, Sep 12, 2014 at 12:34 PM, Stephan Ewen <
> sewen@apache.org>
> > >> > wrote:
> > >> > >>> > It would be nice to have a join variant that directly returns
> > the
> > >> > value
> > >> > >>> > rathern than an option. Why not have both (they are wrapped as
> > >> > flatJoins
> > >> > >>> > anyway below, right?)
> > >> > >>> >
> > >> > >>> > On Fri, Sep 12, 2014 at 11:50 AM, Fabian Hueske <
> > >> fhueske@apache.org>
> > >> > >> wrote:
> > >> > >>> >
> > >> > >>> >> Sweet! I'm lovin' this :-)
> > >> > >>> >>
> > >> > >>> >> 2014-09-12 11:46 GMT+02:00 Aljoscha Krettek <
> > aljoscha@apache.org
> > >> >:
> > >> > >>> >>
> > >> > >>> >> > Also, you can use CaseClasses directly as the type for CSV
> > >> input.
> > >> > So
> > >> > >>> >> > instead of reading it as tuples and then having a mapper
> that
> > >> > maps to
> > >> > >>> >> > your case classes you can use:
> > >> > >>> >> >
> > >> > >>> >> > env.readCsv[Edge](...)
> > >> > >>> >> >
> > >> > >>> >> > On Fri, Sep 12, 2014 at 11:43 AM, Aljoscha Krettek <
> > >> > >> aljoscha@apache.org>
> > >> > >>> >> > wrote:
> > >> > >>> >> > > I added support for specifying keys by name for
> > CaseClasses.
> > >> > Check
> > >> > >> out
> > >> > >>> >> > > the PageRank and TriangleEnumeration examples to see it
> in
> > >> > action.
> > >> > >>> >> > >
> > >> > >>> >> > > @Kostas: I think you could use them for the TPC-H
> examples.
> > >> > >>> >> > >
> > >> > >>> >> > > On Fri, Sep 12, 2014 at 7:23 AM, Aljoscha Krettek <
> > >> > >> aljoscha@apache.org
> > >> > >>> >> >
> > >> > >>> >> > wrote:
> > >> > >>> >> > >> Yes, that would allow list comprehensions. It would be
> > >> > possible to
> > >> > >>> >> > >> have the Collection signature for join (and coGroup),
> > i.e.:
> > >> > >>> >> > >>
> > >> > >>> >> > >> apply[R]((T, O) => TraversableOnce[O]): DataSet[O]
> > >> > >>> >> > >>
> > >> > >>> >> > >> (T and O are the left and right input type, R is result
> > >> type)
> > >> > >>> >> > >>
> > >> > >>> >> > >> Then you can return collections and still return an
> > option,
> > >> as
> > >> > in:
> > >> > >>> >> > >>
> > >> > >>> >> > >> a.join(b).where(0).equalTo(0) { (l, r) => if (r > ...)
> > >> Some(l)
> > >> > >> else
> > >> > >>> >> > None }
> > >> > >>> >> > >>
> > >> > >>> >> > >> Because there is an implicit conversion from Options to
> a
> > >> > >> Collection.
> > >> > >>> >> > >> This will always wrap the return value in a List with
> only
> > >> one
> > >> > >> value.
> > >> > >>> >> > >> I'm not sure we want the overhead here. I'm also not
> sure
> > >> > whether
> > >> > >> we
> > >> > >>> >> > >> want the overhead of always having to use an Option even
> > >> though
> > >> > >> the
> > >> > >>> >> > >> join always returns a value.
> > >> > >>> >> > >>
> > >> > >>> >> > >> What do you think?
> > >> > >>> >> > >>
> > >> > >>> >> > >> On Thu, Sep 11, 2014 at 11:22 PM, Fabian Hueske <
> > >> > >> fhueske@apache.org>
> > >> > >>> >> > wrote:
> > >> > >>> >> > >>> Hmmm, tricky question...
> > >> > >>> >> > >>> How about the Option for Join as this is a tuple-wise
> > >> > operation
> > >> > >> and
> > >> > >>> >> the
> > >> > >>> >> > >>> Collection for Cogroup which is group-wise?
> > >> > >>> >> > >>> Could we in that case use list comprehensions in
> Cogroup
> > >> > >> functions?
> > >> > >>> >> > >>>
> > >> > >>> >> > >>> Or is that too much mixing?
> > >> > >>> >> > >>>
> > >> > >>> >> > >>> 2014-09-11 23:00 GMT+02:00 Aljoscha Krettek <
> > >> > aljoscha@apache.org
> > >> > >>>:
> > >> > >>> >> > >>>
> > >> > >>> >> > >>>> I didn't look at the example either.
> > >> > >>> >> > >>>>
> > >> > >>> >> > >>>> Addings collections is easy, it's just that we can
> > either
> > >> > have
> > >> > >>> >> > >>>> Collections or the Option, not both.
> > >> > >>> >> > >>>>
> > >> > >>> >> > >>>> For the coding style I followed this:
> > >> > >>> >> > >>>>
> > >> > >>> >> >
> > >> > >>
> > >> >
> > >>
> > https://cwiki.apache.org/confluence/display/SPARK/Spark+Code+Style+Guide
> > >> > >>> >> ,
> > >> > >>> >> > >>>> which itself is based on this:
> > >> > http://docs.scala-lang.org/style/
> > >> > >> .
> > >> > >>> >> It
> > >> > >>> >> > >>>> is different from the Java Code Guidelines we have in
> > >> place,
> > >> > >> yes.
> > >> > >>> >> > >>>>
> > >> > >>> >> > >>>> On Thu, Sep 11, 2014 at 10:10 PM, Fabian Hueske <
> > >> > >> fhueske@apache.org
> > >> > >>> >> >
> > >> > >>> >> > >>>> wrote:
> > >> > >>> >> > >>>> > I haven't looked at the LineRank example in detail,
> > but
> > >> if
> > >> > you
> > >> > >>> >> > think that
> > >> > >>> >> > >>>> > it adds something new to the examples collection, we
> > can
> > >> > >> certainly
> > >> > >>> >> > port
> > >> > >>> >> > >>>> it
> > >> > >>> >> > >>>> > also to Java.
> > >> > >>> >> > >>>> > I think the Option and Collector return types are
> > >> > sufficient
> > >> > >> right
> > >> > >>> >> > now
> > >> > >>> >> > >>>> but
> > >> > >>> >> > >>>> > if Collections are easy to add, go for it. ;-)
> > >> > >>> >> > >>>> >
> > >> > >>> >> > >>>> > Great that the Scala primitives are working! Also
> > thanks
> > >> > for
> > >> > >>> >> adding
> > >> > >>> >> > >>>> > genSequence and adapting my examples.
> > >> > >>> >> > >>>> > Btw. does the codestyle not apply for Scala files or
> > do
> > >> we
> > >> > >> have a
> > >> > >>> >> > >>>> different
> > >> > >>> >> > >>>> > there?
> > >> > >>> >> > >>>> >
> > >> > >>> >> > >>>> > 2014-09-11 17:55 GMT+02:00 Aljoscha Krettek <
> > >> > >> aljoscha@apache.org
> > >> > >>> >> >:
> > >> > >>> >> > >>>> >
> > >> > >>> >> > >>>> >> What about the LineRank example? We had that in
> Scala
> > >> but
> > >> > >> never
> > >> > >>> >> > had a
> > >> > >>> >> > >>>> >> Java Example.
> > >> > >>> >> > >>>> >>
> > >> > >>> >> > >>>> >> On Thu, Sep 11, 2014 at 5:51 PM, Aljoscha Krettek <
> > >> > >>> >> > aljoscha@apache.org>
> > >> > >>> >> > >>>> >> wrote:
> > >> > >>> >> > >>>> >> > Yes, I like that. For the ITCases I always just
> > >> copied
> > >> > the
> > >> > >> Java
> > >> > >>> >> > >>>> ITCase.
> > >> > >>> >> > >>>> >> >
> > >> > >>> >> > >>>> >> > The only examples that are missing now are
> > >> > >> LinearRegression and
> > >> > >>> >> > the
> > >> > >>> >> > >>>> >> > relational stuff.
> > >> > >>> >> > >>>> >> >
> > >> > >>> >> > >>>> >> > On Thu, Sep 11, 2014 at 5:48 PM, Fabian Hueske <
> > >> > >>> >> > fhueske@apache.org>
> > >> > >>> >> > >>>> >> wrote:
> > >> > >>> >> > >>>> >> >> I just removed the old CountEdgeDegrees example.
> > >> > >>> >> > >>>> >> >> That was a preprocessing step for the
> > >> > >> TriangleEnumeration, and
> > >> > >>> >> > is now
> > >> > >>> >> > >>>> >> part
> > >> > >>> >> > >>>> >> >> of the new TriangleEnumerationOpt example.
> > >> > >>> >> > >>>> >> >> So I guess, we don't need to port that one. As I
> > >> said
> > >> > >> before,
> > >> > >>> >> > I'd
> > >> > >>> >> > >>>> >> prefer to
> > >> > >>> >> > >>>> >> >> keep Java and Scala examples in sync.
> > >> > >>> >> > >>>> >> >>
> > >> > >>> >> > >>>> >> >> Cheers, Fabian
> > >> > >>> >> > >>>> >> >>
> > >> > >>> >> > >>>> >> >> 2014-09-11 17:40 GMT+02:00 Aljoscha Krettek <
> > >> > >>> >> > aljoscha@apache.org>:
> > >> > >>> >> > >>>> >> >>
> > >> > >>> >> > >>>> >> >>> I added the PageRank example, thanks again
> > fabian.
> > >> :D
> > >> > >>> >> > >>>> >> >>>
> > >> > >>> >> > >>>> >> >>> Regarding the other stuff:
> > >> > >>> >> > >>>> >> >>>  - There is a comment in DataSet.scala about
> > >> including
> > >> > >>> >> > >>>> >> >>> org.apache.flink.api.scala._ because of the
> > >> > >> TypeInformation.
> > >> > >>> >> > >>>> >> >>>  - I added generateSequence to
> > >> ExecutionEnvironment.
> > >> > >>> >> > >>>> >> >>>  - It is possible to use Scala Primitives in
> > >> Array, I
> > >> > >> noticed
> > >> > >>> >> > it
> > >> > >>> >> > >>>> while
> > >> > >>> >> > >>>> >> >>> writing the tests, you probably had an older
> > >> version
> > >> > of
> > >> > >> the
> > >> > >>> >> > code.
> > >> > >>> >> > >>>> >> >>>  - Yes, using List and other Interfaces is not
> > >> > possible,
> > >> > >> this
> > >> > >>> >> > is
> > >> > >>> >> > >>>> also
> > >> > >>> >> > >>>> >> >>> a restriction in the Java API.
> > >> > >>> >> > >>>> >> >>>
> > >> > >>> >> > >>>> >> >>> What do you think about the interface of join
> and
> > >> > >> coGroup?
> > >> > >>> >> > Right
> > >> > >>> >> > >>>> now,
> > >> > >>> >> > >>>> >> >>> you can either use a lambda that returns an
> > Option
> > >> or
> > >> > the
> > >> > >>> >> > lambda
> > >> > >>> >> > >>>> with
> > >> > >>> >> > >>>> >> >>> the Collector. Originally I wanted to have also
> > >> have a
> > >> > >> lambda
> > >> > >>> >> > that
> > >> > >>> >> > >>>> >> >>> returns a Collection, but due to type erasure
> > this
> > >> has
> > >> > >> the
> > >> > >>> >> > same type
> > >> > >>> >> > >>>> >> >>> as the lambda with the Option so I couldn't use
> > it.
> > >> > >> There is
> > >> > >>> >> an
> > >> > >>> >> > >>>> >> >>> implicit conversion from Option to a
> Collection,
> > >> so I
> > >> > >> could
> > >> > >>> >> > change
> > >> > >>> >> > >>>> it
> > >> > >>> >> > >>>> >> >>> without breaking the examples we have now. What
> > do
> > >> you
> > >> > >> think?
> > >> > >>> >> > >>>> >> >>>
> > >> > >>> >> > >>>> >> >>> So far we have ported: WordCount, KMeans,
> > >> > >>> >> ConnectedComponents,
> > >> > >>> >> > >>>> >> >>> WebLogAnalysis, TransitiveClosureNaive,
> > >> > >>> >> > >>>> TriangleEnumerationNaive/Opt,
> > >> > >>> >> > >>>> >> >>> PageRank
> > >> > >>> >> > >>>> >> >>>
> > >> > >>> >> > >>>> >> >>> These are the examples people called dibs on:
> > >> > >>> >> > >>>> >> >>>  - BatchGradientDescent (Márton) (Should be a
> > port
> > >> of
> > >> > >>> >> > >>>> LinearRegression
> > >> > >>> >> > >>>> >> >>> Example from Java)
> > >> > >>> >> > >>>> >> >>>  - ComputeEdgeDegrees (Hermann)
> > >> > >>> >> > >>>> >> >>>
> > >> > >>> >> > >>>> >> >>> Those are unclaimed (if I'm not mistaken):
> > >> > >>> >> > >>>> >> >>>  - The relational Stuff
> > >> > >>> >> > >>>> >> >>>
> > >> > >>> >> > >>>> >> >>> On Thu, Sep 11, 2014 at 3:06 PM, Stephan Ewen <
> > >> > >>> >> > sewen@apache.org>
> > >> > >>> >> > >>>> >> wrote:
> > >> > >>> >> > >>>> >> >>> > +1 for removing RelationQuery
> > >> > >>> >> > >>>> >> >>> >
> > >> > >>> >> > >>>> >> >>> > On Thu, Sep 11, 2014 at 3:04 PM, Aljoscha
> > >> Krettek <
> > >> > >>> >> > >>>> >> aljoscha@apache.org>
> > >> > >>> >> > >>>> >> >>> > wrote:
> > >> > >>> >> > >>>> >> >>> >
> > >> > >>> >> > >>>> >> >>> >> By the way, what was called
> > >> BatchGradientDescent in
> > >> > >> the
> > >> > >>> >> > Scala
> > >> > >>> >> > >>>> >> examples
> > >> > >>> >> > >>>> >> >>> >> should be replaced by a port of the
> > >> > LinearRegression
> > >> > >>> >> > Example from
> > >> > >>> >> > >>>> >> >>> >> Java. I had them as two separate examples
> > >> earlier.
> > >> > >>> >> > >>>> >> >>> >>
> > >> > >>> >> > >>>> >> >>> >> What about RelationalQuery and TPC-H-Q3. Any
> > >> > thoughts
> > >> > >>> >> about
> > >> > >>> >> > >>>> removing
> > >> > >>> >> > >>>> >> >>> >> RelationalQuery?
> > >> > >>> >> > >>>> >> >>> >>
> > >> > >>> >> > >>>> >> >>> >> On Thu, Sep 11, 2014 at 11:43 AM, Aljoscha
> > >> Krettek
> > >> > <
> > >> > >>> >> > >>>> >> aljoscha@apache.org
> > >> > >>> >> > >>>> >> >>> >
> > >> > >>> >> > >>>> >> >>> >> wrote:
> > >> > >>> >> > >>>> >> >>> >> > I added the Triangle Enumeration Examples,
> > >> thanks
> > >> > >>> >> Fabian.
> > >> > >>> >> > >>>> >> >>> >> >
> > >> > >>> >> > >>>> >> >>> >> > So far we have ported: WordCount, KMeans,
> > >> > >>> >> > ConnectedComponents,
> > >> > >>> >> > >>>> >> >>> >> > WebLogAnalysis, TransitiveClosureNaive,
> > >> > >>> >> > >>>> >> TriangleEnumerationNaive/Opt
> > >> > >>> >> > >>>> >> >>> >> >
> > >> > >>> >> > >>>> >> >>> >> > These are the examples people called dibs
> > on:
> > >> > >>> >> > >>>> >> >>> >> >  - PageRank (Fabian)
> > >> > >>> >> > >>>> >> >>> >> >  - BatchGradientDescent (Márton)
> > >> > >>> >> > >>>> >> >>> >> >  - ComputeEdgeDegrees (Hermann)
> > >> > >>> >> > >>>> >> >>> >> >
> > >> > >>> >> > >>>> >> >>> >> > Those are unclaimed (if I'm not mistaken):
> > >> > >>> >> > >>>> >> >>> >> >  - The relational Stuff
> > >> > >>> >> > >>>> >> >>> >> >  - LinearRegression
> > >> > >>> >> > >>>> >> >>> >> >
> > >> > >>> >> > >>>> >> >>> >> > On Wed, Sep 10, 2014 at 6:04 PM, Aljoscha
> > >> > Krettek <
> > >> > >>> >> > >>>> >> >>> aljoscha@apache.org>
> > >> > >>> >> > >>>> >> >>> >> wrote:
> > >> > >>> >> > >>>> >> >>> >> >> Thanks, I added it. I'll keep a running
> > list
> > >> of
> > >> > >>> >> > >>>> ported/unported
> > >> > >>> >> > >>>> >> >>> >> >> examples in my mails. I'll rename the
> java
> > >> > example
> > >> > >>> >> > package to
> > >> > >>> >> > >>>> >> >>> examples
> > >> > >>> >> > >>>> >> >>> >> >> once the Scala API merge is done.
> > >> > >>> >> > >>>> >> >>> >> >>
> > >> > >>> >> > >>>> >> >>> >> >> I think the termination criterion is fine
> > as
> > >> it
> > >> > is.
> > >> > >>> >> Just
> > >> > >>> >> > >>>> because
> > >> > >>> >> > >>>> >> >>> Scala
> > >> > >>> >> > >>>> >> >>> >> >> enables functional programming doesn't
> mean
> > >> it's
> > >> > >> always
> > >> > >>> >> > the
> > >> > >>> >> > >>>> best
> > >> > >>> >> > >>>> >> >>> >> >> choice. :D
> > >> > >>> >> > >>>> >> >>> >> >>
> > >> > >>> >> > >>>> >> >>> >> >> So far we have ported: WordCount, KMeans,
> > >> > >>> >> > ConnectedComponents,
> > >> > >>> >> > >>>> >> >>> >> >> WebLogAnalysis, TransitiveClosureNaive
> > >> > >>> >> > >>>> >> >>> >> >>
> > >> > >>> >> > >>>> >> >>> >> >> These are the examples people called dibs
> > on:
> > >> > >>> >> > >>>> >> >>> >> >>  - TriangleEnumration and PageRank
> (Fabian)
> > >> > >>> >> > >>>> >> >>> >> >>  - BatchGradientDescent (Márton)
> > >> > >>> >> > >>>> >> >>> >> >>  - ComputeEdgeDegrees (Hermann)
> > >> > >>> >> > >>>> >> >>> >> >>
> > >> > >>> >> > >>>> >> >>> >> >> Those are unclaimed (if I'm not
> mistaken):
> > >> > >>> >> > >>>> >> >>> >> >>  - The relational Stuff
> > >> > >>> >> > >>>> >> >>> >> >>  - LinearRegression
> > >> > >>> >> > >>>> >> >>> >> >>
> > >> > >>> >> > >>>> >> >>> >> >> Cheers,
> > >> > >>> >> > >>>> >> >>> >> >> Aljoscha
> > >> > >>> >> > >>>> >> >>> >> >>
> > >> > >>> >> > >>>> >> >>> >> >> On Wed, Sep 10, 2014 at 4:23 PM, Kostas
> > >> Tzoumas
> > >> > <
> > >> > >>> >> > >>>> >> ktzoumas@apache.org
> > >> > >>> >> > >>>> >> >>> >
> > >> > >>> >> > >>>> >> >>> >> wrote:
> > >> > >>> >> > >>>> >> >>> >> >>> Transitive closure here, I also added a
> > >> > >> termination
> > >> > >>> >> > criterion
> > >> > >>> >> > >>>> >> in the
> > >> > >>> >> > >>>> >> >>> >> Java
> > >> > >>> >> > >>>> >> >>> >> >>> version:
> > >> > >>> >> > >>>> >> >>> >>
> > >> > >>> >> > >>>>
> > >> > >>
> https://github.com/ktzoumas/incubator-flink/tree/tc-scala-example
> > >> > >>> >> > >>>> >> >>> >> >>>
> > >> > >>> >> > >>>> >> >>> >> >>> Perhaps you can make the termination
> > >> criterion
> > >> > in
> > >> > >>> >> Scala
> > >> > >>> >> > more
> > >> > >>> >> > >>>> >> >>> >> functional?
> > >> > >>> >> > >>>> >> >>> >> >>>
> > >> > >>> >> > >>>> >> >>> >> >>> I noticed that the examples package name
> > is
> > >> > >>> >> > example.java but
> > >> > >>> >> > >>>> >> >>> >> examples.scala
> > >> > >>> >> > >>>> >> >>> >> >>>
> > >> > >>> >> > >>>> >> >>> >> >>> Kostas
> > >> > >>> >> > >>>> >> >>> >> >>>
> > >> > >>> >> > >>>> >> >>> >> >>> On Tue, Sep 9, 2014 at 6:12 PM, Kostas
> > >> Tzoumas
> > >> > <
> > >> > >>> >> > >>>> >> ktzoumas@apache.org
> > >> > >>> >> > >>>> >> >>> >
> > >> > >>> >> > >>>> >> >>> >> wrote:
> > >> > >>> >> > >>>> >> >>> >> >>>>
> > >> > >>> >> > >>>> >> >>> >> >>>> I'll take TransitiveClosure and
> > >> PiEstimation
> > >> > >> (was not
> > >> > >>> >> > on
> > >> > >>> >> > >>>> your
> > >> > >>> >> > >>>> >> >>> list).
> > >> > >>> >> > >>>> >> >>> >> >>>>
> > >> > >>> >> > >>>> >> >>> >> >>>> If nobody volunteers for the relational
> > >> stuff
> > >> > I
> > >> > >> can
> > >> > >>> >> > take
> > >> > >>> >> > >>>> those
> > >> > >>> >> > >>>> >> as
> > >> > >>> >> > >>>> >> >>> >> well.
> > >> > >>> >> > >>>> >> >>> >> >>>>
> > >> > >>> >> > >>>> >> >>> >> >>>> How about removing the
> "RelationalQuery"
> > >> from
> > >> > >> both
> > >> > >>> >> > Scala and
> > >> > >>> >> > >>>> >> Java?
> > >> > >>> >> > >>>> >> >>> It
> > >> > >>> >> > >>>> >> >>> >> >>>> seems to be a proper subset of TPC-H
> Q3.
> > >> Does
> > >> > it
> > >> > >> add
> > >> > >>> >> > some
> > >> > >>> >> > >>>> >> teaching
> > >> > >>> >> > >>>> >> >>> >> value on
> > >> > >>> >> > >>>> >> >>> >> >>>> top of TPC-H Q3?
> > >> > >>> >> > >>>> >> >>> >> >>>>
> > >> > >>> >> > >>>> >> >>> >> >>>> Kostas
> > >> > >>> >> > >>>> >> >>> >> >>>>
> > >> > >>> >> > >>>> >> >>> >> >>>> On Tue, Sep 9, 2014 at 5:57 PM,
> Aljoscha
> > >> > Krettek
> > >> > >> <
> > >> > >>> >> > >>>> >> >>> aljoscha@apache.org
> > >> > >>> >> > >>>> >> >>> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>> wrote:
> > >> > >>> >> > >>>> >> >>> >> >>>>>
> > >> > >>> >> > >>>> >> >>> >> >>>>> Thanks, I added it, along with an
> > ITCase.
> > >> > >>> >> > >>>> >> >>> >> >>>>>
> > >> > >>> >> > >>>> >> >>> >> >>>>> So far we have ported: WordCount,
> > KMeans,
> > >> > >>> >> > >>>> ConnectedComponents,
> > >> > >>> >> > >>>> >> >>> >> >>>>> WebLogAnalysis
> > >> > >>> >> > >>>> >> >>> >> >>>>>
> > >> > >>> >> > >>>> >> >>> >> >>>>> These are the examples people called
> > dibs
> > >> on:
> > >> > >>> >> > >>>> >> >>> >> >>>>>  - TriangleEnumration and PageRank
> > >> (Fabian)
> > >> > >>> >> > >>>> >> >>> >> >>>>>  - BatchGradientDescent (Márton)
> > >> > >>> >> > >>>> >> >>> >> >>>>>  - ComputeEdgeDegrees (Hermann)
> > >> > >>> >> > >>>> >> >>> >> >>>>>
> > >> > >>> >> > >>>> >> >>> >> >>>>> Those are unclaimed (if I'm not
> > mistaken):
> > >> > >>> >> > >>>> >> >>> >> >>>>>  - TransitiveClosure
> > >> > >>> >> > >>>> >> >>> >> >>>>>  - The relational Stuff
> > >> > >>> >> > >>>> >> >>> >> >>>>>  - LinearRegression
> > >> > >>> >> > >>>> >> >>> >> >>>>>
> > >> > >>> >> > >>>> >> >>> >> >>>>> Cheers,
> > >> > >>> >> > >>>> >> >>> >> >>>>> Aljoscha
> > >> > >>> >> > >>>> >> >>> >> >>>>>
> > >> > >>> >> > >>>> >> >>> >> >>>>> On Tue, Sep 9, 2014 at 5:21 PM, Kostas
> > >> > Tzoumas <
> > >> > >>> >> > >>>> >> >>> ktzoumas@apache.org>
> > >> > >>> >> > >>>> >> >>> >> >>>>> wrote:
> > >> > >>> >> > >>>> >> >>> >> >>>>> > WebLog here:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >
> > >> > >>> >> > >>>> >> >>> >>
> > >> > >>> >> > >>>> >> >>>
> > >> > >>> >> > >>>> >>
> > >> > >>> >> > >>>>
> > >> > >>> >> >
> > >> > >>> >>
> > >> > >>
> > >> >
> > >>
> >
> https://github.com/ktzoumas/incubator-flink/tree/webloganalysis-example-scala
> > >> > >>> >> > >>>> >> >>> >> >>>>> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> > Do you need any more done?
> > >> > >>> >> > >>>> >> >>> >> >>>>> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> > On Tue, Sep 9, 2014 at 3:08 PM,
> > Aljoscha
> > >> > >> Krettek <
> > >> > >>> >> > >>>> >> >>> >> aljoscha@apache.org>
> > >> > >>> >> > >>>> >> >>> >> >>>>> > wrote:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> I added the ConnectedComponents
> > Example
> > >> > from
> > >> > >>> >> Vasia.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> Keep 'em coming, people. :D
> > >> > >>> >> > >>>> >> >>> >> >>>>> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> On Mon, Sep 8, 2014 at 6:07 PM,
> > Fabian
> > >> > >> Hueske <
> > >> > >>> >> > >>>> >> >>> fhueske@apache.org
> > >> > >>> >> > >>>> >> >>> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> wrote:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> > Alright, will do.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> > Thanks!
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> > 2014-09-08 17:48 GMT+02:00
> Aljoscha
> > >> > >> Krettek <
> > >> > >>> >> > >>>> >> >>> >> aljoscha@apache.org>:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> Ok people, executive decision.
> :D
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> Please look at KMeansData.java
> and
> > >> > >>> >> > KMeans.scala. I'm
> > >> > >>> >> > >>>> >> storing
> > >> > >>> >> > >>>> >> >>> >> the
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> data
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> in multi-dimensional object
> arrays
> > >> and
> > >> > >> then
> > >> > >>> >> > >>>> converting
> > >> > >>> >> > >>>> >> it to
> > >> > >>> >> > >>>> >> >>> >> the
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> required Java or Scala objects.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> Also, I changed isEqualTo to
> > >> equalTo to
> > >> > >> make
> > >> > >>> >> it
> > >> > >>> >> > >>>> >> consistent
> > >> > >>> >> > >>>> >> >>> >> with the
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> Java
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> API.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> Regarding Join (and coGroup).
> > There
> > >> is
> > >> > no
> > >> > >> need
> > >> > >>> >> > for a
> > >> > >>> >> > >>>> >> >>> keyword,
> > >> > >>> >> > >>>> >> >>> >> you
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> can
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> just write:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >>
> > >> left.join(right).where(0).equalTo(1) {
> > >> > >> (le,
> > >> > >>> >> re)
> > >> > >>> >> > =>
> > >> > >>> >> > >>>> new
> > >> > >>> >> > >>>> >> >>> >> MyResult(le,
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> re)
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> }
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> On Mon, Sep 8, 2014 at 2:07 PM,
> > >> Fabian
> > >> > >> Hueske
> > >> > >>> >> <
> > >> > >>> >> > >>>> >> >>> >> fhueske@apache.org>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> wrote:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> > Aside from the DataSet issue,
> I
> > >> also
> > >> > >> found
> > >> > >>> >> an
> > >> > >>> >> > >>>> >> >>> inconsistency
> > >> > >>> >> > >>>> >> >>> >> with
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> > the
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> Java
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> > API. In Java join is done as:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >
> > >> ds1.join(ds2).where(...).equalTo(...)
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> > where in the current Scala
> this
> > >> is:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >
> > >> > ds1.join(d2).where(...).isEqualTo(...)
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> > isEqualTo() should be renamed
> to
> > >> > >> equalTo(),
> > >> > >>> >> > IMO.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> > Also, join (+cross and
> coGroup?)
> > >> > lacks
> > >> > >> the
> > >> > >>> >> > with()
> > >> > >>> >> > >>>> >> method
> > >> > >>> >> > >>>> >> >>> >> because
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> "with"
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> is
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> > a keyword in Scala. Should be
> > >> offer
> > >> > >>> >> something
> > >> > >>> >> > >>>> similar
> > >> > >>> >> > >>>> >> for
> > >> > >>> >> > >>>> >> >>> >> Scala
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> > or go
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> with
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> > map() on Tuple2(left, right)?
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> > 2014-09-08 13:51 GMT+02:00
> > Stephan
> > >> > Ewen
> > >> > >> <
> > >> > >>> >> > >>>> >> sewen@apache.org
> > >> > >>> >> > >>>> >> >>> >:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> Instead of Strings,
> Object[][]
> > >> would
> > >> > >> work
> > >> > >>> >> as
> > >> > >>> >> > well.
> > >> > >>> >> > >>>> >> That
> > >> > >>> >> > >>>> >> >>> is a
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> generic
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> representation of a Tuple.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> Alternatively, they could be
> > >> stored
> > >> > as
> > >> > >> Java
> > >> > >>> >> > or
> > >> > >>> >> > >>>> Scala
> > >> > >>> >> > >>>> >> >>> Tuples,
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> with a
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> generic
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> utility method to convert
> > between
> > >> > the
> > >> > >> two.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> On Mon, Sep 8, 2014 at 10:55
> > AM,
> > >> > Fabian
> > >> > >>> >> > Hueske
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> <fhueske@apache.org>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> wrote:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > Yeah, I ran into the same
> > >> > problem...
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > +1 for using Strings and
> > >> parsing
> > >> > >> them,
> > >> > >>> >> but
> > >> > >>> >> > >>>> using
> > >> > >>> >> > >>>> >> the
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > CSVFormat
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> won't
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> work
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > because this is based on a
> > >> > >>> >> FileInputFormat.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > So we would need to parse
> the
> > >> > Strings
> > >> > >>> >> > >>>> manually...
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > 2014-09-08 10:35 GMT+02:00
> > >> > Aljoscha
> > >> > >>> >> Krettek
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > <aljoscha@apache.org>:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > Hi,
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > on second thought. Maybe
> we
> > >> > should
> > >> > >> just
> > >> > >>> >> > change
> > >> > >>> >> > >>>> >> all
> > >> > >>> >> > >>>> >> >>> the
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > example
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> input
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > data to strings and use
> CSV
> > >> > input
> > >> > >>> >> > formats in
> > >> > >>> >> > >>>> all
> > >> > >>> >> > >>>> >> the
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > examples.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> What
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> do
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > you think?
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > Cheers,
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > Aljoscha
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > On Mon, Sep 8, 2014 at
> 7:46
> > >> AM,
> > >> > >>> >> Aljoscha
> > >> > >>> >> > >>>> Krettek
> > >> > >>> >> > >>>> >> <
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> aljoscha@apache.org>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > wrote:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > > Hi,
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > > yes it's unfortunate
> that
> > >> the
> > >> > >> data
> > >> > >>> >> > types are
> > >> > >>> >> > >>>> >> >>> >> incompatible.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > > I'm
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> afraid
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > > you have to to what you
> > >> > proposed:
> > >> > >>> >> move
> > >> > >>> >> > the
> > >> > >>> >> > >>>> >> data to
> > >> > >>> >> > >>>> >> >>> a
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > > static
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> field
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> and
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > > convert it in the
> > >> > >>> >> > getDefaultEdgeDataSet()
> > >> > >>> >> > >>>> >> method in
> > >> > >>> >> > >>>> >> >>> >> Scala.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > > It's
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> not
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > > nice, but copying would
> > >> > >> duplicate the
> > >> > >>> >> > data
> > >> > >>> >> > >>>> and
> > >> > >>> >> > >>>> >> >>> make it
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > > easier
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> for
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> it
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > > to go out of sync in
> the
> > >> Java
> > >> > and
> > >> > >>> >> Scala
> > >> > >>> >> > >>>> >> versions.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > > What do the others
> think?
> > >> This
> > >> > >> will
> > >> > >>> >> > probably
> > >> > >>> >> > >>>> >> occur
> > >> > >>> >> > >>>> >> >>> in
> > >> > >>> >> > >>>> >> >>> >> all
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > > the
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> examples.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > > Cheers,
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > > Aljoscha
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > > On Sun, Sep 7, 2014 at
> > >> 10:04
> > >> > PM,
> > >> > >>> >> > Vasiliki
> > >> > >>> >> > >>>> >> Kalavri
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > > <
> > vasilikikalavri@gmail.com
> > >> >
> > >> > >> wrote:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> Hey,
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> I have ported the
> > >> Connected
> > >> > >>> >> Components
> > >> > >>> >> > >>>> >> example,
> > >> > >>> >> > >>>> >> >>> but
> > >> > >>> >> > >>>> >> >>> >> I am
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> not
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> sure
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> how
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > to
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> reuse the example
> input
> > >> data
> > >> > >> from
> > >> > >>> >> > >>>> >> java-examples.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> In the
> > >> > ConnectedComponentsData
> > >> > >>> >> class,
> > >> > >>> >> > the
> > >> > >>> >> > >>>> >> vertices
> > >> > >>> >> > >>>> >> >>> >> and
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> edges
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> data
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> are
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> produced by the
> methods
> > >> > >>> >> > >>>> >> getDefaultVertexDataSet()
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> and
> > >> getDefaultEdgeDataSet(),
> > >> > >> which
> > >> > >>> >> > take
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> an
> > >> > >>> >> > >>>> >> org.apache.flink.api.java.ExecutionEnvironment
> > >> > >>> >> > >>>> >> >>> as
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> parameter.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> One way is to provide
> > >> public
> > >> > >> static
> > >> > >>> >> > fields
> > >> > >>> >> > >>>> >> (like
> > >> > >>> >> > >>>> >> >>> in
> > >> > >>> >> > >>>> >> >>> >> the
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> WordCountData
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> class), but this
> > >> introduces a
> > >> > >>> >> > conversion
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> from
> > >> > >>> >> > >>>> org.apache.flink.api.java.tuple.Tuple2 to
> > >> > >>> >> > >>>> >> >>> Scala
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> tuple and
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> from
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> java.lang.Long to
> > >> scala.Long
> > >> > >> and I
> > >> > >>> >> > guess
> > >> > >>> >> > >>>> this
> > >> > >>> >> > >>>> >> is
> > >> > >>> >> > >>>> >> >>> an
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> unnecessary
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > complexity
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> for an example (?).
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> Another way is, of
> > >> course, to
> > >> > >> copy
> > >> > >>> >> the
> > >> > >>> >> > >>>> example
> > >> > >>> >> > >>>> >> >>> data
> > >> > >>> >> > >>>> >> >>> >> in
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> the
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> Scala
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > example.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> Am I missing something
> > >> here?
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> Thanks!
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> Cheers,
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> V.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >> On 5 September 2014
> > 15:52,
> > >> > >> Aljoscha
> > >> > >>> >> > >>>> Krettek <
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> aljoscha@apache.org
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > wrote:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> Alright, I updated my
> > >> repo:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >>
> > >> > >>> >> > >>>> >> >>> >>
> > >> > >>> >> >
> > >> https://github.com/aljoscha/incubator-flink/commits/scala-rework
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> This now has a
> working
> > >> > >> WordCount
> > >> > >>> >> > example.
> > >> > >>> >> > >>>> >> It's
> > >> > >>> >> > >>>> >> >>> >> pretty
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> much a
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> copy
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> of
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> the Java example with
> > >> some
> > >> > >> fixups
> > >> > >>> >> > for the
> > >> > >>> >> > >>>> >> syntax
> > >> > >>> >> > >>>> >> >>> and
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> lambda
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > functions.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> You'll also notice
> > that I
> > >> > >> added the
> > >> > >>> >> > >>>> >> java-examples
> > >> > >>> >> > >>>> >> >>> >> as a
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> dependency
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> for
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> the scala-examples. I
> > did
> > >> > this
> > >> > >> to
> > >> > >>> >> > reuse
> > >> > >>> >> > >>>> the
> > >> > >>> >> > >>>> >> >>> example
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> input
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> data.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> When you ported a
> > program
> > >> > you
> > >> > >> can
> > >> > >>> >> do
> > >> > >>> >> > a
> > >> > >>> >> > >>>> pull
> > >> > >>> >> > >>>> >> >>> request
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> against
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> my
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> repo
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> and I will collect
> the
> > >> > >> examples.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> Happy coding. :D
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> On Fri, Sep 5, 2014
> at
> > >> 12:19
> > >> > >> PM,
> > >> > >>> >> > Hermann
> > >> > >>> >> > >>>> >> Gábor <
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> reckoner42@gmail.com
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> wrote:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> > +1
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> > ComputeEdgeDegrees
> > for
> > >> me!
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> > On Fri, Sep 5, 2014
> > at
> > >> > 11:44
> > >> > >> AM,
> > >> > >>> >> > Márton
> > >> > >>> >> > >>>> >> >>> Balassi <
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>>
> > balassi.marton@gmail.com
> > >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> > wrote:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> +1
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >>
> BatchGradientDescent
> > >> for
> > >> > me
> > >> > >> :)
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> On Fri, Sep 5,
> 2014
> > at
> > >> > >> 11:15 AM,
> > >> > >>> >> > Kostas
> > >> > >>> >> > >>>> >> >>> Tzoumas <
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > ktzoumas@apache.org>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> wrote:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > +1
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > I go for
> > >> > WebLogAnalysis.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > My experience
> with
> > >> > Scala
> > >> > >>> >> > consists of
> > >> > >>> >> > >>>> >> going
> > >> > >>> >> > >>>> >> >>> >> through
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > a
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> tutorial
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> so
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > this
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> will
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > be a good stress
> > >> test
> > >> > >> both for
> > >> > >>> >> > me and
> > >> > >>> >> > >>>> >> the
> > >> > >>> >> > >>>> >> >>> new
> > >> > >>> >> > >>>> >> >>> >> API
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > :-)
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > On Thu, Sep 4,
> > 2014
> > >> at
> > >> > >> 9:09
> > >> > >>> >> PM,
> > >> > >>> >> > >>>> Vasiliki
> > >> > >>> >> > >>>> >> >>> >> Kalavri <
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> >
> > >> > vasilikikalavri@gmail.com>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > wrote:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > +1 for having
> > >> other
> > >> > >> people
> > >> > >>> >> > >>>> implement
> > >> > >>> >> > >>>> >> the
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > examples!
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > Connected
> > >> Components
> > >> > and
> > >> > >>> >> > Kmeans for
> > >> > >>> >> > >>>> >> me :)
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > -V.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > On 4 September
> > >> 2014
> > >> > >> 21:03,
> > >> > >>> >> > Fabian
> > >> > >>> >> > >>>> >> Hueske <
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> fhueske@apache.org>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> wrote:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > I go for
> > >> > >>> >> > TriangleEnumeration and
> > >> > >>> >> > >>>> >> >>> PageRank.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > Let's also
> do
> > >> the
> > >> > >> examples
> > >> > >>> >> > >>>> similar
> > >> > >>> >> > >>>> >> to
> > >> > >>> >> > >>>> >> >>> the
> > >> > >>> >> > >>>> >> >>> >> Java
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> examples:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > - running
> > >> > >> out-of-the-box
> > >> > >>> >> > without
> > >> > >>> >> > >>>> >> >>> parameters
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > - parameters
> > for
> > >> > >> external
> > >> > >>> >> > data
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > - follow a
> > >> similar
> > >> > >> code
> > >> > >>> >> > structure
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > 2014-09-04
> > 20:56
> > >> > >> GMT+02:00
> > >> > >>> >> > >>>> Aljoscha
> > >> > >>> >> > >>>> >> >>> >> Krettek <
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > aljoscha@apache.org
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > Will do,
> > then
> > >> > >> people can
> > >> > >>> >> > >>>> reserve
> > >> > >>> >> > >>>> >> their
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > favourite
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> examples
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > here.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > On Thu,
> Sep
> > 4,
> > >> > 2014
> > >> > >> at
> > >> > >>> >> > 8:55 PM,
> > >> > >>> >> > >>>> >> Fabian
> > >> > >>> >> > >>>> >> >>> >> Hueske
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > <
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> fhueske@apache.org>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > wrote:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > Hi,
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > I think
> > >> having
> > >> > >>> >> examples
> > >> > >>> >> > >>>> >> implemented
> > >> > >>> >> > >>>> >> >>> by
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >
> different
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> people
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> proved to
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > be
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > valuable
> > in
> > >> the
> > >> > >> past.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > I'd help
> > >> with
> > >> > two
> > >> > >> or
> > >> > >>> >> > three
> > >> > >>> >> > >>>> >> examples.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > It might
> > be
> > >> > >> helpful if
> > >> > >>> >> > you'd
> > >> > >>> >> > >>>> >> port a
> > >> > >>> >> > >>>> >> >>> >> simple
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > first
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> one
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > such
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > as
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > WordCount.
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > Fabian
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >
> 2014-09-04
> > >> > 18:47
> > >> > >>> >> > GMT+02:00
> > >> > >>> >> > >>>> >> Aljoscha
> > >> > >>> >> > >>>> >> >>> >> Krettek
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > <
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> aljoscha@apache.org
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> >:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> Hi,
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> I have
> a
> > >> > working
> > >> > >>> >> > rewrite of
> > >> > >>> >> > >>>> the
> > >> > >>> >> > >>>> >> >>> Scala
> > >> > >>> >> > >>>> >> >>> >> API
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> here:
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >>
> > >> > >>> >> > >>>> >> >>> >>
> > >> > >>> >> >
> > >> https://github.com/aljoscha/incubator-flink/commits/scala-rework
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> I'm
> > hoping
> > >> > that
> > >> > >> I'll
> > >> > >>> >> > only
> > >> > >>> >> > >>>> have
> > >> > >>> >> > >>>> >> to
> > >> > >>> >> > >>>> >> >>> >> write
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> the
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> tests
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> and
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > port
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> the
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >>
> examples.
> > >> Do
> > >> > you
> > >> > >>> >> think
> > >> > >>> >> > it
> > >> > >>> >> > >>>> makes
> > >> > >>> >> > >>>> >> >>> sense
> > >> > >>> >> > >>>> >> >>> >> to
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> let
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> other
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > people
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> port
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> the
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >>
> examples,
> > >> so
> > >> > that
> > >> > >>> >> > someone
> > >> > >>> >> > >>>> else
> > >> > >>> >> > >>>> >> uses
> > >> > >>> >> > >>>> >> >>> >> it and
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> maybe
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > notices
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > some
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > quirks
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> in the
> > API?
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> Cheers,
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >>
> Aljoscha
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > > >>>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> > >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >> >
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>> >>
> > >> > >>> >> > >>>> >> >>> >> >>>>
> > >> > >>> >> > >>>> >> >>> >> >>>>
> > >> > >>> >> > >>>> >> >>> >> >>>
> > >> > >>> >> > >>>> >> >>> >>
> > >> > >>> >> > >>>> >> >>>
> > >> > >>> >> > >>>> >>
> > >> > >>> >> > >>>>
> > >> > >>> >> >
> > >> > >>> >>
> > >> >
> > >>
> > >
> > >
> >
>

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