/**
* main entry point: returns a category -> docs map for each (non-zero) category in the current
* captionToQueryMap.
*
* @indexer must already have run
* @docs results are restrictes to these docs. assumes all docs if docs is null or empty.
* @captions (null/none = all)
* <p>vihari This is a weird name for a method that returns documents with emotions instead
* of emotions.
*/
public Map<String, Collection<Document>> getEmotions(
Indexer indexer,
Collection<Document> docs,
boolean originalContentOnly,
String... captions) {
Map<String, Collection<Document>> result = new LinkedHashMap<String, Collection<Document>>();
Set<Document> docs_set = Util.castOrCloneAsSet(docs);
// for (String[] emotion: emotionsData)
String[] selected_captions =
captions.length > 0 ? captions : captionToExpandedQuery.keySet().toArray(new String[0]);
for (String caption : selected_captions) {
String query = captionToExpandedQuery.get(caption);
if (query == null) {
log.warn("Skipping unknown caption '" + caption + "'");
continue;
}
// query is simply word1|word2|word3 etc for that sentiment
// the -1 indicates that we want all docs in the indexer that match the query
int threshold = 1;
Indexer.QueryOptions options = new Indexer.QueryOptions();
options.setThreshold(threshold);
options.setQueryType(Indexer.QueryType.ORIGINAL);
Collection<Document> docsForCaption = indexer.docsForQuery(query, options);
/*
log.info (docsForCaption.size() + " before");
threshold = 2;
docsForCaption = indexer.docsForQuery(query, -1, threshold);
log.info (docsForCaption.size() + " after");
*/
// Set<Document> docs = indexer.docsWithPhraseThreshold(query, -1, 2); // in future, we
// may have a higher threshold for sentiment matching
// if @param docs is present, retain only those docs that match, otherwise retain all
if (!Util.nullOrEmpty(docs_set))
// docsForCaption.retainAll(docs_set);
docsForCaption = Util.listIntersection(docsForCaption, docs_set);
// put it in the result only if at least 1 doc matches
if (docsForCaption.size() > 0) result.put(caption, docsForCaption);
}
return result;
}
