Without testing or anything that looks reasonable enough. I'm sure that there are plenty caveats around infinite seqs, etc. though.
On 14 February 2013 14:22, Joachim De Beule <joachim.de.be...@gmail.com>wrote: > Thanks! So you mean like this (assuming some function elt->event): > > (defn seq->event-stream [input-seq] > (let [remaining (atom input-seq)] > (proxy [EventStream] [] > (next [] (let [current (first @remaining)] > (swap! remaining rest) > (elt->event current))) > (hasNext [] (not (empty? @remaining)))))) > > > > 2013/2/14 Ulises <ulises.cerv...@gmail.com> > >> How about having your methods access an atom provided in a closure like >> it's done here: >> http://kotka.de/blog/2010/03/proxy_gen-class_little_brother.html >> >> U >> >> >> On 14 February 2013 13:58, Joachim De Beule >> <joachim.de.be...@gmail.com>wrote: >> >>> Hi All, >>> >>> I want to turn a clojure sequence into an 'EventStream' java interface >>> in clojure (see >>> http://opennlp.apache.org/documentation/1.5.2-incubating/apidocs/opennlp-maxent/index.html). >>> Basically this is an object that implements next() and hasNext() methods. >>> >>> I know this can be done with proxy: >>> >>> (proxy [EventStream] [] >>> (hasNext [] ...) >>> (next [] (Event. ...) ...)) >>> >>> What I am not sure about is how to deal with state. More precisely, the >>> object returned by the above call to proxy obviously must somehow keep a >>> pointer to the current position in the input sequence and increment the >>> index after a call to next() etc. >>> >>> Any ideas on how to best do something like this? >>> >>> Thanks a lot! >>> Joachim. >>> >>> >>> -- >>> -- >>> 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 unsubscribe from this group and stop receiving emails from it, send >>> an email to clojure+unsubscr...@googlegroups.com. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >>> >>> >> >> -- >> -- >> 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 unsubscribe from this group and stop receiving emails from it, send an >> email to clojure+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > > -- > -- > 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 unsubscribe from this group and stop receiving emails from it, send an > email to clojure+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- -- 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 unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
