private byte[] extractSource(Document doc, DocumentMapper documentMapper) {
byte[] source = null;
Fieldable sourceField = doc.getFieldable(documentMapper.sourceMapper().names().indexName());
if (sourceField != null) {
source = documentMapper.sourceMapper().nativeValue(sourceField);
doc.removeField(documentMapper.sourceMapper().names().indexName());
}
return source;
}
private FieldSelector buildFieldSelectors(DocumentMapper docMapper, String... fields) {
if (fields == null) {
return docMapper.sourceMapper().fieldSelector();
}
// don't load anything
if (fields.length == 0) {
return null;
}
FieldMappersFieldSelector fieldSelector = null;
for (String fieldName : fields) {
FieldMappers x = docMapper.mappers().smartName(fieldName);
if (x != null && x.mapper().stored()) {
if (fieldSelector == null) {
fieldSelector = new FieldMappersFieldSelector();
}
fieldSelector.add(x);
}
}
return fieldSelector;
}