private Map<String, Object> loadSourceIfNeeded() {
if (source != null) {
return source;
}
if (sourceAsBytes != null) {
Tuple<XContentType, Map<String, Object>> tuple = sourceAsMapAndType(sourceAsBytes);
sourceContentType = tuple.v1();
source = tuple.v2();
return source;
}
try {
JustSourceFieldsVisitor sourceFieldVisitor = new JustSourceFieldsVisitor();
reader.document(docId, sourceFieldVisitor);
BytesReference source = sourceFieldVisitor.source();
if (source == null) {
this.source = ImmutableMap.of();
this.sourceContentType = null;
} else {
Tuple<XContentType, Map<String, Object>> tuple = sourceAsMapAndType(source);
this.sourceContentType = tuple.v1();
this.source = tuple.v2();
}
} catch (Exception e) {
throw new ElasticsearchParseException("failed to parse / load source", e);
}
return this.source;
}
@Override
protected boolean matchDoc(int doc) {
if (fieldsVisitorEnabled) {
fieldsVisitor.reset();
try {
reader.document(doc, fieldsVisitor);
} catch (IOException e) {
throw Throwables.propagate(e);
}
}
for (LuceneCollectorExpression expression : expressions) {
expression.setNextDocId(doc);
}
Boolean value = condition.value();
if (value == null) {
return false;
}
return value;
}
private List<Document> lookupDocs(Term term, final LoadFieldCallback lfc) throws IOException {
final List<Document> documents = new ArrayList<Document>();
final TermFilter tf = new TermFilter(term);
try {
for (AtomicReaderContext arc : searcher.getIndexReader().leaves()) {
AtomicReader ar = arc.reader();
Bits liveDocs = ar.getLiveDocs();
DocIdSet docSet = tf.getDocIdSet(arc, liveDocs);
if (docSet != null) {
DocIdSetIterator disi = docSet.iterator();
if (disi != null) {
int docId;
while ((docId = disi.nextDoc()) != DocIdSetIterator.NO_MORE_DOCS) {
DocumentStoredFieldVisitor fv =
new DocumentStoredFieldVisitor() {
@Override
public StoredFieldVisitor.Status needsField(FieldInfo fieldInfo)
throws IOException {
if (lfc == null || lfc.loadField(fieldInfo.name)) {
return StoredFieldVisitor.Status.YES;
}
return StoredFieldVisitor.Status.NO;
}
};
ar.document(docId, fv);
documents.add(fv.getDocument());
}
}
}
}
} catch (IOException io) {
throw new IndexException(io);
}
return documents;
}