Add class comment for search::predicate::DocumentFeaturesStoreSaver.

1 files changed, 4 insertions, 0 deletions

diff --git a/searchlib/src/vespa/searchlib/predicate/document_features_store_saver.h b/searchlib/src/vespa/searchlib/predicate/document_features_store_saver.h
index 373349dae0c..630ac3900f5 100644
--- a/searchlib/src/vespa/searchlib/predicate/document_features_store_saver.h
+++ b/searchlib/src/vespa/searchlib/predicate/document_features_store_saver.h
@@ -8,6 +8,10 @@ namespace search { class BufferWriter; }
 
 namespace search::predicate {
 
+/*
+ * Class used to save a DocumentFeaturesStore instance, streaming the
+ * serialized data via a BufferWriter.
+ */
 class DocumentFeaturesStoreSaver {
     using RefsVector = DocumentFeaturesStore::RefsVector;
     using FeaturesStore = DocumentFeaturesStore::FeaturesStore;