public static void explainQuery(IndexSearcher searcher, Query query) throws IOException {
TopDocs topDocs = searcher.search(query, 10);
for (ScoreDoc match : topDocs.scoreDocs) {
Explanation explanation = searcher.explain(query, match.doc);
System.out.println("---------------");
System.out.println(explanation.toString());
}
}
@Override
public void transform(SolrDocument doc, int docid) {
if (context != null && context.query != null) {
try {
Explanation exp = context.searcher.explain(context.query, docid);
if (style == Style.nl) {
doc.setField(name, SolrPluginUtils.explanationToNamedList(exp));
} else if (style == Style.html) {
doc.setField(name, exp.toHtml());
} else {
doc.setField(name, exp.toString());
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
@Override
public List<T> collectObjects(SearchResponse rsp) {
SearchHits docs = rsp.getHits();
List<T> list = new ArrayList<T>(docs.hits().length);
for (SearchHit sd : docs) {
if (sd.getExplanation() != null) {
String res = "";
for (Explanation str : sd.getExplanation().getDetails()) {
res += str.toString();
}
logger.info(sd.getId() + " " + res);
}
T o = readDoc(sd.getId(), sd.getVersion(), sd.getSource());
if (o != null) list.add(o);
}
return list;
}
/** not a direct test of NearSpans, but a demonstration of how/when this causes problems */
public void testSpanNearScorerExplain() throws Exception {
SpanNearQuery q = makeQuery();
Explanation e = q.weight(searcher).explain(searcher.getIndexReader(), 1);
assertTrue(
"Scorer explanation value for doc#1 isn't positive: " + e.toString(), 0.0f < e.getValue());
}