static String reason(BitDocIdSet actual, BitDocIdSet expected, IndexSearcher indexSearcher)
throws IOException {
StringBuilder builder = new StringBuilder();
builder.append("expected cardinality:").append(expected.bits().cardinality()).append('\n');
DocIdSetIterator iterator = expected.iterator();
for (int doc = iterator.nextDoc();
doc != DocIdSetIterator.NO_MORE_DOCS;
doc = iterator.nextDoc()) {
builder
.append("Expected doc[")
.append(doc)
.append("] with id value ")
.append(indexSearcher.doc(doc).get(UidFieldMapper.NAME))
.append('\n');
}
builder.append("actual cardinality: ").append(actual.bits().cardinality()).append('\n');
iterator = actual.iterator();
for (int doc = iterator.nextDoc();
doc != DocIdSetIterator.NO_MORE_DOCS;
doc = iterator.nextDoc()) {
builder
.append("Actual doc[")
.append(doc)
.append("] with id value ")
.append(indexSearcher.doc(doc).get(UidFieldMapper.NAME))
.append('\n');
}
return builder.toString();
}
private int findRootDocumentIfNested(
SearchContext context, LeafReaderContext subReaderContext, int subDocId) throws IOException {
if (context.mapperService().hasNested()) {
BitDocIdSet nonNested =
context
.bitsetFilterCache()
.getBitDocIdSetFilter(Queries.newNonNestedFilter())
.getDocIdSet(subReaderContext);
BitSet bits = nonNested.bits();
if (!bits.get(subDocId)) {
return bits.nextSetBit(subDocId);
}
}
return -1;
}
@Override
public FieldComparator<Object> setNextReader(LeafReaderContext context) throws IOException {
BitDocIdSet children = childFilter.getDocIdSet(context);
if (children == null) {
childDocuments = null;
} else {
childDocuments = children.bits();
}
BitDocIdSet parents = parentFilter.getDocIdSet(context);
if (parents == null) {
parentDocuments = null;
} else {
parentDocuments = parents.bits();
}
wrappedComparator = wrappedComparator.setNextReader(context);
return this;
}
static boolean equals(BitDocIdSet expected, BitDocIdSet actual) {
if (actual == null && expected == null) {
return true;
} else if (actual == null || expected == null) {
return false;
}
BitSet actualBits = actual.bits();
BitSet expectedBits = expected.bits();
if (actualBits.length() != expectedBits.length()) {
return false;
}
for (int i = 0; i < expectedBits.length(); i++) {
if (expectedBits.get(i) != actualBits.get(i)) {
return false;
}
}
return true;
}
private InternalSearchHit.InternalNestedIdentity getInternalNestedIdentity(
SearchContext context,
int nestedSubDocId,
LeafReaderContext subReaderContext,
DocumentMapper documentMapper,
ObjectMapper nestedObjectMapper)
throws IOException {
int currentParent = nestedSubDocId;
ObjectMapper nestedParentObjectMapper;
StringBuilder field = new StringBuilder();
ObjectMapper current = nestedObjectMapper;
InternalSearchHit.InternalNestedIdentity nestedIdentity = null;
do {
Filter parentFilter;
nestedParentObjectMapper = documentMapper.findParentObjectMapper(current);
if (field.length() != 0) {
field.insert(0, '.');
}
field.insert(0, current.name());
if (nestedParentObjectMapper != null) {
if (nestedParentObjectMapper.nested().isNested() == false) {
current = nestedParentObjectMapper;
continue;
}
parentFilter = nestedParentObjectMapper.nestedTypeFilter();
} else {
parentFilter = Queries.newNonNestedFilter();
}
Filter childFilter = nestedObjectMapper.nestedTypeFilter();
if (childFilter == null) {
current = nestedParentObjectMapper;
continue;
}
// We can pass down 'null' as acceptedDocs, because we're fetching matched docId that matched
// in the query phase.
DocIdSet childDocSet = childFilter.getDocIdSet(subReaderContext, null);
if (childDocSet == null) {
current = nestedParentObjectMapper;
continue;
}
DocIdSetIterator childIter = childDocSet.iterator();
if (childIter == null) {
current = nestedParentObjectMapper;
continue;
}
BitDocIdSet parentBitSet =
context
.bitsetFilterCache()
.getBitDocIdSetFilter(parentFilter)
.getDocIdSet(subReaderContext);
BitSet parentBits = parentBitSet.bits();
int offset = 0;
int nextParent = parentBits.nextSetBit(currentParent);
for (int docId = childIter.advance(currentParent + 1);
docId < nextParent && docId != DocIdSetIterator.NO_MORE_DOCS;
docId = childIter.nextDoc()) {
offset++;
}
currentParent = nextParent;
current = nestedObjectMapper = nestedParentObjectMapper;
nestedIdentity =
new InternalSearchHit.InternalNestedIdentity(field.toString(), offset, nestedIdentity);
field = new StringBuilder();
} while (current != null);
return nestedIdentity;
}