Thanks for the help Lauri
On 11 Sep, 21:26, Lauri Pesonen <lauri.peso...@iki.fi> wrote:
> 2009/9/11 Richard Newman <holyg...@gmail.com>:
>
>
>
> >>> Where I'm stuck
> >>> is how to get access to the particle names, as I would in the above
> >>> line of Java code.
>
> > The final bit, once you have an iterator over particles, would be:
>
> > (fn [p] (.getName p))
>
> > To avoid the use of reflection, you might want explicit type
> > annotations:
>
> > (fn [#^Particle p] (.getName p))
>
> Oh, I'm sorry, completely missed the getName part of the question!
>
> This will give you a list of names:
> (let [particles (-> dataLoader .getEnvironmentParticleSet .iterator
> iterator-seq)]
> (map #(.getName %) particles))
>
> You can then do things to the names in a 'loop' with map, for, or
> doseq (if 'things' has side effects):
>
> ;; map
> (let [particles (-> dataLoader .getEnvironmentParticleSet .iterator
> iterator-seq)
> names (map #(.getName %) particles)]
> (map #(count %) names))
>
> ;; for
> (let [particles (-> dataLoader .getEnvironmentParticleSet .iterator
> iterator-seq)
> names (map #(.getName %) particles)]
> (for [n names] (count n)))
>
> ;; doseq
> (let [particles (-> dataLoader .getEnvironmentParticleSet .iterator
> iterator-seq)
> names (map #(.getName %) particles)]
> (doseq [n names] (println n)))
>
> HTH!
>
> --
> ! Lauri
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