private Map<String, SearchHitField> getSearchFields(
SearchContext context,
int nestedSubDocId,
boolean loadAllStored,
Set<String> fieldNames,
LeafReaderContext subReaderContext) {
Map<String, SearchHitField> searchFields = null;
if (context.hasFieldNames() && !context.fieldNames().isEmpty()) {
FieldsVisitor nestedFieldsVisitor = null;
if (loadAllStored) {
nestedFieldsVisitor = new AllFieldsVisitor();
} else if (fieldNames != null) {
nestedFieldsVisitor = new CustomFieldsVisitor(fieldNames, false);
}
if (nestedFieldsVisitor != null) {
loadStoredFields(context, subReaderContext, nestedFieldsVisitor, nestedSubDocId);
nestedFieldsVisitor.postProcess(context.mapperService());
if (!nestedFieldsVisitor.fields().isEmpty()) {
searchFields = new HashMap<>(nestedFieldsVisitor.fields().size());
for (Map.Entry<String, List<Object>> entry : nestedFieldsVisitor.fields().entrySet()) {
searchFields.put(
entry.getKey(), new InternalSearchHitField(entry.getKey(), entry.getValue()));
}
}
}
}
return searchFields;
}
private InternalSearchHit createSearchHit(
SearchContext context,
FieldsVisitor fieldsVisitor,
int docId,
int subDocId,
List<String> extractFieldNames,
LeafReaderContext subReaderContext) {
loadStoredFields(context, subReaderContext, fieldsVisitor, subDocId);
fieldsVisitor.postProcess(context.mapperService());
Map<String, SearchHitField> searchFields = null;
if (!fieldsVisitor.fields().isEmpty()) {
searchFields = new HashMap<>(fieldsVisitor.fields().size());
for (Map.Entry<String, List<Object>> entry : fieldsVisitor.fields().entrySet()) {
searchFields.put(
entry.getKey(), new InternalSearchHitField(entry.getKey(), entry.getValue()));
}
}
DocumentMapper documentMapper =
context.mapperService().documentMapper(fieldsVisitor.uid().type());
Text typeText;
if (documentMapper == null) {
typeText = new StringAndBytesText(fieldsVisitor.uid().type());
} else {
typeText = documentMapper.typeText();
}
InternalSearchHit searchHit =
new InternalSearchHit(docId, fieldsVisitor.uid().id(), typeText, searchFields);
// go over and extract fields that are not mapped / stored
SourceLookup sourceLookup = context.lookup().source();
sourceLookup.setSegmentAndDocument(subReaderContext, subDocId);
if (fieldsVisitor.source() != null) {
sourceLookup.setSource(fieldsVisitor.source());
}
if (extractFieldNames != null) {
for (String extractFieldName : extractFieldNames) {
List<Object> values = context.lookup().source().extractRawValues(extractFieldName);
if (!values.isEmpty()) {
if (searchHit.fieldsOrNull() == null) {
searchHit.fields(new HashMap<String, SearchHitField>(2));
}
SearchHitField hitField = searchHit.fields().get(extractFieldName);
if (hitField == null) {
hitField = new InternalSearchHitField(extractFieldName, new ArrayList<>(2));
searchHit.fields().put(extractFieldName, hitField);
}
for (Object value : values) {
hitField.values().add(value);
}
}
}
}
return searchHit;
}
private InternalSearchHit createSearchHit(
SearchContext context,
FieldsVisitor fieldsVisitor,
int docId,
int subDocId,
LeafReaderContext subReaderContext) {
if (fieldsVisitor == null) {
return new InternalSearchHit(docId);
}
loadStoredFields(context, subReaderContext, fieldsVisitor, subDocId);
fieldsVisitor.postProcess(context.mapperService());
Map<String, SearchHitField> searchFields = null;
if (!fieldsVisitor.fields().isEmpty()) {
searchFields = new HashMap<>(fieldsVisitor.fields().size());
for (Map.Entry<String, List<Object>> entry : fieldsVisitor.fields().entrySet()) {
searchFields.put(
entry.getKey(), new InternalSearchHitField(entry.getKey(), entry.getValue()));
}
}
DocumentMapper documentMapper =
context.mapperService().documentMapper(fieldsVisitor.uid().type());
Text typeText;
if (documentMapper == null) {
typeText = new Text(fieldsVisitor.uid().type());
} else {
typeText = documentMapper.typeText();
}
InternalSearchHit searchHit =
new InternalSearchHit(docId, fieldsVisitor.uid().id(), typeText, searchFields);
// Set _source if requested.
SourceLookup sourceLookup = context.lookup().source();
sourceLookup.setSegmentAndDocument(subReaderContext, subDocId);
if (fieldsVisitor.source() != null) {
sourceLookup.setSource(fieldsVisitor.source());
}
return searchHit;
}