public void transform(
Map<String, ?> result,
SolrQueryResponse response,
GroupingSpecification groupingSpecification,
SolrDocumentSource solrDocumentSource) {
Object value = result.get(groupingSpecification.getFields()[0]);
if (TopGroups.class.isInstance(value)) {
@SuppressWarnings("unchecked")
TopGroups<BytesRef> topGroups = (TopGroups<BytesRef>) value;
SolrDocumentList docList = new SolrDocumentList();
docList.setStart(groupingSpecification.getOffset());
docList.setNumFound(topGroups.totalHitCount);
Float maxScore = Float.NEGATIVE_INFINITY;
for (GroupDocs<BytesRef> group : topGroups.groups) {
for (ScoreDoc scoreDoc : group.scoreDocs) {
if (maxScore < scoreDoc.score) {
maxScore = scoreDoc.score;
}
docList.add(solrDocumentSource.retrieve(scoreDoc));
}
}
if (maxScore != Float.NEGATIVE_INFINITY) {
docList.setMaxScore(maxScore);
}
response.add("response", docList);
}
}
@Before
public void setUp() throws Exception {
Answer<GroupCollapseSummary> answer =
new Answer<GroupCollapseSummary>() {
@Override
public GroupCollapseSummary answer(InvocationOnMock invocation) throws Throwable {
Object[] args = invocation.getArguments();
DummyGroupCollapseSummary dummyObject =
new DummyGroupCollapseSummary(
(String) args[0],
(SolrIndexSearcher) args[1],
(Set<String>) args[2],
(String) args[3]);
return dummyObject;
}
};
PowerMockito.whenNew(GroupCollapseSummary.class).withAnyArguments().thenAnswer(answer);
initMocks(this);
schema = PowerMockito.mock(IndexSchema.class);
rb.req = req;
rb.rsp = rsp;
when(rb.getGroupingSpec()).thenReturn(groupSpec);
when(req.getParams()).thenReturn(params);
when(req.getSchema()).thenReturn(schema);
when(req.getSearcher()).thenReturn(searcher);
mockResponse();
when(schema.getFieldType(FIELD_PRICE)).thenReturn(priceType);
when(schema.getFieldType(FIELD_DISCOUNT)).thenReturn(discountType);
when(schema.getFieldType(FIELD_CLOSEOUT)).thenReturn(booleanType);
when(schema.getFieldType(FIELD_COLOR)).thenReturn(stringType);
when(schema.getFieldType(FIELD_COLORFAMILY)).thenReturn(stringType);
numericType = PowerMockito.mock(org.apache.lucene.document.FieldType.NumericType.class);
when(priceType.getNumericType()).thenReturn(numericType);
when(priceType.getTypeName()).thenReturn("tfloat");
when(discountType.getNumericType()).thenReturn(numericType);
when(discountType.getTypeName()).thenReturn("tint");
when(booleanType.getTypeName()).thenReturn("boolean");
when(stringType.getTypeName()).thenReturn("string");
when(groupSpec.getFields()).thenReturn(new String[] {"productId"});
}
public NamedList<Integer> getGroupedCounts(
SolrIndexSearcher searcher,
DocSet base,
String field,
boolean multiToken,
int offset,
int limit,
int mincount,
boolean missing,
String sort,
String prefix,
String contains,
boolean ignoreCase)
throws IOException {
GroupingSpecification groupingSpecification = rb.getGroupingSpec();
final String groupField =
groupingSpecification != null ? groupingSpecification.getFields()[0] : null;
if (groupField == null) {
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST,
"Specify the group.field as parameter or local parameter");
}
BytesRef prefixBytesRef = prefix != null ? new BytesRef(prefix) : null;
final TermGroupFacetCollector collector =
TermGroupFacetCollector.createTermGroupFacetCollector(
groupField, field, multiToken, prefixBytesRef, 128);
SchemaField sf = searcher.getSchema().getFieldOrNull(groupField);
if (sf != null
&& sf.hasDocValues() == false
&& sf.multiValued() == false
&& sf.getType().getNumericType() != null) {
// it's a single-valued numeric field: we must currently create insanity :(
// there isn't a GroupedFacetCollector that works on numerics right now...
searcher.search(
base.getTopFilter(),
new FilterCollector(collector) {
@Override
public LeafCollector getLeafCollector(LeafReaderContext context) throws IOException {
LeafReader insane = Insanity.wrapInsanity(context.reader(), groupField);
return in.getLeafCollector(insane.getContext());
}
});
} else {
searcher.search(base.getTopFilter(), collector);
}
boolean orderByCount =
sort.equals(FacetParams.FACET_SORT_COUNT)
|| sort.equals(FacetParams.FACET_SORT_COUNT_LEGACY);
TermGroupFacetCollector.GroupedFacetResult result =
collector.mergeSegmentResults(
limit < 0 ? Integer.MAX_VALUE : (offset + limit), mincount, orderByCount);
CharsRefBuilder charsRef = new CharsRefBuilder();
FieldType facetFieldType = searcher.getSchema().getFieldType(field);
NamedList<Integer> facetCounts = new NamedList<>();
List<TermGroupFacetCollector.FacetEntry> scopedEntries =
result.getFacetEntries(offset, limit < 0 ? Integer.MAX_VALUE : limit);
for (TermGroupFacetCollector.FacetEntry facetEntry : scopedEntries) {
// :TODO:can we do contains earlier than this to make it more efficient?
if (contains != null
&& !contains(facetEntry.getValue().utf8ToString(), contains, ignoreCase)) {
continue;
}
facetFieldType.indexedToReadable(facetEntry.getValue(), charsRef);
facetCounts.add(charsRef.toString(), facetEntry.getCount());
}
if (missing) {
facetCounts.add(null, result.getTotalMissingCount());
}
return facetCounts;
}