Hi,
Thanks for the code, snippet, it was very useful, however, can you please
include a very small description of certain unknown variables such as
'groupedInfo', 'ResultItem', 'searcher', 'fields' and the method
'solrDocumentToResultItem'?
Thanks
On Sat, Jul 16, 2011 at 3:36 PM, Kurt Sultana <kurtanat...@gmail.com> wrote:
> > Thanks for the information. However, I still have one more
> > problem. I am
> > iterating over the values of the NamedList. I have 2
> > values, one
> > being 'responseHeader' and the other one being 'grouped'. I
> > would like to
> > access some information stored within the grouped section,
> > which has
> > data structured like so:
> >
> >
> grouped={attr_directory={matches=4,groups=[{groupValue=C:\Users\rvassallo\Desktop\Index,doclist={numFound=2,start=0,docs=[SolrDocument[{attr_meta=[Author,
> > kcook, Last-Modified, 2011-03-02T14:14:18Z...
> >
> > With the 'get("group")' method I am only able to access the
> > entire
> > '{attr_directory={matches=4,g...' section. Is there some
> > functionality which
> > allows me to get other data? Something like this for
> > instance:
> > 'get("group.matches")' or maybe
> > 'get(group.attr_directory.matches)' (which
> > will yield the value of 4), or do I need to process the
> > String that the
> > 'get("...")' returns to get what I need?
> >
> > Thanks :)
>
> I think accessing the relevant portion in a NamedList is troublesome. I
> suggest you to look at existing codes in solrJ. e.g. How facet info is
> extracted from NamedList.
>
> I am sending you the piece of code that I used to access grouped info.
> Hopefully It can give you some idea.
>
> NamedList signature = (NamedList) groupedInfo.get("attr_directory");
>
> if (signature == null) return new ArrayList(0);
>
> matches.append(signature.get("matches"));
>
>
> @SuppressWarnings("unchecked")
> ArrayList<NamedList> groups = (ArrayList<NamedList>)
> signature.get("groups");
>
> ArrayList<> resultItems = new ArrayList<>(groups.size());
>
> StringBuilder builder = new StringBuilder();
>
>
> for (NamedList res : groups) {
>
> ResultItem resultItem = null;
>
> String hash = null;
> Integer found = null;
> for (int i = 0; i < res.size(); i++) {
> String n = res.getName(i);
>
> Object o = res.getVal(i);
>
> if ("groupValue".equals(n)) {
> hash = (String) o;
> } else if ("doclist".equals(n)) {
> DocList docList = (DocList) o;
> found = docList.matches();
>
> try {
> final SolrDocumentList list =
> SolrPluginUtils.docListToSolrDocumentList(docList, searcher, fields, null);
> builder.setLength(0);
>
> if (list.size() > 0)
> resultItem = solrDocumentToResultItem(list.get(0), debug);
>
> for (final SolrDocument document : list)
> builder.append(document.getFieldValue("id")).append(',');
>
>
> } catch (final IOException e) {
> LOG.error("Unexpected Error", e);
> }
> }
>
>
> }
>
> if (found != null && found > 1 && resultItem != null) {
> resultItem.setHash(hash);
> resultItem.setFound(found);
> builder.setLength(builder.length() - 1);
> resultItem.setId(builder.toString());
> }
>
> // debug
>
>
> resultItems.add(resultItem);
> }
>
> return resultItems;
>
>
