can you compile the groovy script to .class via groovyc? then you can
use the groovy code within clojure via java interop.
On Thu, Aug 5, 2010 at 2:33 PM, Chris Goellner <cgoell...@gmail.com> wrote:
> Hello all, long time listener first time caller.
>
> I've got a situation where I'm trying to apply some Groovy code
> against a clojure hashmap.
>
> I've got:
>
> (ns neat
> (:import (java.sql Timestamp)
> (groovy.lang Binding GroovyShell)
> (oracle.sql TIMESTAMP Datum)
> (java.util.concurrent Executors ThreadFactory ThreadPoolExecutor
> TimeUnit LinkedBlockingQueue ArrayBlockingQueue FutureTask)
> (java.util TreeMap TreeSet Map Set List ArrayList Calendar
> GregorianCalendar TimeZone))
> (:use (clojure.contrib sql string def logging)))
>
> to bring in GroovyShell and binding objects.
>
> I try to use this as:
>
> (defn execute-groovy [event current-rule rule-list]
> (let [groovy_script (:groovy_script current-rule)]
> (if (nil? groovy_script)
> event
> (let [groovy-binding (new Binding)]
> (.setVariable groovy-binding "rule" current-rule)
> (.setVariable groovy-binding "update" (:response event {}))
> (.setVariable groovy-binding "event" event)
> (.setVariable groovy-binding "ruleList" rule-list)
> (let [groovy-shell (new GroovyShell groovy-binding)]
> (.evaluate groovy-shell groovy_script)
> (merge event {:response (merge (:response event {})
> {:groovy_script (conj (:groovy_script
> (:response event {})
> (list)) (:id current-rule))}
> (.getVariable groovy-binding
> "update"))})
> )))))
>
> This worked in one version of the code where I didn't use an ns but instead
> did:
>
> (import '(groovy.lang Binding GroovyShell))
>
> into user.
>
> The problem is I get the following error when I use it within the namespace:
>
> No matching method found: evaluate for class groovy.lang.GroovyShell
>
> I don't think this has anything to do with Groovy. For some reason the
> code doesn't want to use groovy-shell as a GroovyShell.
>
> I can also do:
>
> (.evaluate (GroovyShell.) "1+1")
>
> in the REPL while in the neat ns.
>
> Any ideas?
>
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