Iv been integrating Drools fusion with Clojure using a DSL to describe rules:
https://github.com/narkisr/gelfino/wiki/drools I think it showcases nicely how interop can be done Ronen On Tuesday, April 24, 2012 12:23:39 AM UTC+3, Rogier wrote: > > Good questions. Mostly that it seems a technology domain (a dsl for > event streams) that would fit clojure well. If it hasn't been done, > interop would be no problem. > > On Mon, Apr 23, 2012 at 8:16 PM, Paul deGrandis > <paul.degran...@gmail.com> wrote: > > I've had some success using Esper directly in Clojure for an internal > > project at work. > > > > Are you just looking to avoid interop? Are you just curious about > > what other Clojure-specific options exist? > > Or is there a specific tradeoff, design constraint, or quality > > attribute you're working with? > > > > Paul > > > > > > On Apr 23, 1:49 pm, Rogier Peters <rogier.pet...@gmail.com> wrote: > >> Hi Mark, > >> > >> Thanks. Some work has been done by Thomas Dudziak on integrating storm > >> with esper [1][2]. > >> > >> What esper offers is: > >> a. queries (select average(price) from events where type=buy) > >> b. windows (the above for a window of 30 minutes) > >> c. patterns (if event a is not followed within 5 minutes by event b) > >> d. the dsl (everything can be done in sql-like query) > >> > >> So it can probably be built in storm, but it's not as easy to use. And > >> since I don't need storm's distributed nature it could probably even > >> be done in raw clojure. > >> > >> [1]http://tomdzk.wordpress.com/2011/09/28/storm-esper/ > >> [2]https://github.com/tomdz/storm-esper > >> > >> > >> > >> > >> > >> > >> > >> > >> > >> On Mon, Apr 23, 2012 at 6:44 PM, Mark Rathwell <mark.rathw...@gmail.com> > wrote: > >> > I would start with storm: > >> > >> >https://github.com/nathanmarz/storm > >> > >> > On Apr 23, 2012, at 9:51 AM, Rogier Peters <rogier.pet...@gmail.com> > wrote: > >> > >> >> Hi, > >> > >> >> For a java project I have been looking at Esper (esper.codehaus.org > ), > >> >> a component for complex event processing: > >> > >> >> "Complex event processing (CEP) delivers high-speed processing of > many > >> >> events across all the layers of an organization, identifying the most > >> >> meaningful events within the event cloud, analyzing their impact, and > >> >> taking subsequent action in real time (source:Wikipedia). > >> > >> >> Esper offers a Domain Specific Language (DSL) for processing events. > >> >> The Event Processing Language (EPL) is a declarative language for > >> >> dealing with high frequency time-based event data. > >> > >> >> Some typical examples of applications are: > >> > >> >> Business process management and automation (process monitoring, BAM, > >> >> reporting exceptions, operational intelligence) > >> >> Finance (algorithmic trading, fraud detection, risk management) > >> >> Network and application monitoring (intrusion detection, SLA > monitoring) > >> >> Sensor network applications (RFID reading, scheduling and control of > >> >> fabrication lines, air traffic)" > >> > >> >> tl;dr: > >> > >> >> My question is: is there an alternative for this in the clojure > >> >> ecosystem (since clojure seems like a good fit for this), and if not, > >> >> what kind of clojure components/libraries would be a good starting > >> >> point to implement someting similar > >> > >> >> -- > >> >> Rogier Peters > >> >> rogier@twitter, flickr, delicious > >> > >> >> -- > >> >> You received this message because you are subscribed to the Google > >> >> Groups "Clojure" group. > >> >> To post to this group, send email to clojure@googlegroups.com > >> >> Note that posts from new members are moderated - please be patient > with your first post. > >> >> To unsubscribe from this group, send email to > >> >> clojure+unsubscr...@googlegroups.com > >> >> For more options, visit this group at > >> >>http://groups.google.com/group/clojure?hl=en > >> > >> > -- > >> > You received this message because you are subscribed to the Google > >> > Groups "Clojure" group. > >> > To post to this group, send email to clojure@googlegroups.com > >> > Note that posts from new members are moderated - please be patient > with your first post. > >> > To unsubscribe from this group, send email to > >> > clojure+unsubscr...@googlegroups.com > >> > For more options, visit this group at > >> >http://groups.google.com/group/clojure?hl=en > >> > >> -- > >> Rogier Peters > >> rogier@twitter, flickr, delicious > > > > -- > > You received this message because you are subscribed to the Google > > Groups "Clojure" group. > > To post to this group, send email to clojure@googlegroups.com > > Note that posts from new members are moderated - please be patient with > your first post. > > To unsubscribe from this group, send email to > > clojure+unsubscr...@googlegroups.com > > For more options, visit this group at > > http://groups.google.com/group/clojure?hl=en > > -- > Rogier Peters > rogier@twitter, flickr, delicious > > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
