On Thu, 2 Oct 2008 05:07:05 -0400 ted leslie <tleslie at tcn.net> wrote:
> > Ah, composite actor did the trick in so far as putting that WF in another, > i see it can inherit the directory (as I did in my experimenting and checking > docs), > but I notice it doesn't "fire" when you run the main work flow. > (it has its own controls). It would be nice if when I run the outer WF, that > the composite ones run too. Probably I am missing something simple? Got it, never mind. Time for me to dive it deep now :) > > -tl > > On Thu, 2 Oct 2008 01:36:21 -0700 > "Bertram Ludaescher" <ludaesch at ucdavis.edu> wrote: > > > On Thu, Oct 2, 2008 at 1:27 AM, ted leslie <tleslie at tcn.net> wrote: > > > > > > > > I just stumpled upon Kepler and am absolutly blown away! > > > > > > I think it will be very useful for me, > > > but one requirement that I would have is, > > > > > > Can I have workflows interact? > > > Can one trigger another, or start it up? > > > Can they communicate to one another? > > > (maybe even a WF run within a WF?, import a WF as a data provider to > > > another WF?) > > > > > > There are several answers to this: First, a workflow running within a > > workflow is called a "composite actor" or "subworkflow" in our terminology. > > When one nests a wf inside another one, the question arises: how should this > > be executed? What's the model of computation. Thanks to Ptolemy's various > > underlying models of computation, we can use in Kepler different ways of > > nesting workflows inside one another, all with clear semantics (there are > > papers and documentation describing how this works). > > > > Having said this, we normally don't think of multiple instances of workflows > > as running indepdently and then somehow communicating. Although such a thing > > is possible (e.g. this *might* be related somewhat to Ptolemy's life cycle > > models, where one model (aka workflow in Kepler lingo) can start another > > one), we rather think of workflows typically as data-driven analysis > > pipelines (dataflow process networks). > > > > > > > > Also, I use Linux exclusively, but to avoid Java installs and other > > > prereq. > > > I just put it into a Windows OS on vmware, to give it a quick look. > > > Is the Linux version as full featured as the Windows? (or fuller, or > > > lessor?) > > > (If not what are diffs?) > > > > > > > I'm not aware of a difference. And you can always get the latest version via > > the source code repository. > > > > > > > > > > These might be very noob questions, and I don't mind "RTFM", > > > but these are fundimental Q's I would appreacate brief feed back on, > > > (or reference pointers) > > > before I take a much deeper dive in. > > > > > > > Here is a good starting point: > > http://www.kepler-project.org/Wiki.jsp?page=Documentation > > > > Bertram > > > > > > > > > > Thanks, > > > > > > > > > -- > > > ted leslie <tleslie at tcn.net> > > > _______________________________________________ > > > Kepler-users mailing list > > > Kepler-users at ecoinformatics.org > > > http://mercury.nceas.ucsb.edu/ecoinformatics/mailman/listinfo/kepler-users > > > > > > > > > > > -- > ted leslie <tleslie at tcn.net> > _______________________________________________ > Kepler-users mailing list > Kepler-users at ecoinformatics.org > http://mercury.nceas.ucsb.edu/ecoinformatics/mailman/listinfo/kepler-users > -- ted leslie <tleslie at tcn.net>
