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Diffstat (limited to 'searchlib/src/vespa/searchlib/predicate/document_features_store_saver.h')
-rw-r--r-- | searchlib/src/vespa/searchlib/predicate/document_features_store_saver.h | 33 |
1 files changed, 33 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 new file mode 100644 index 00000000000..630ac3900f5 --- /dev/null +++ b/searchlib/src/vespa/searchlib/predicate/document_features_store_saver.h @@ -0,0 +1,33 @@ +// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. + +#pragma once + +#include "document_features_store.h" + +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; + using RangesStore = DocumentFeaturesStore::RangesStore; + using WordStore = DocumentFeaturesStore::WordStore; + + const RefsVector& _refs; // TODO: Use copy when saving in flush thread + const FeaturesStore& _features; + const RangesStore& _ranges; + const WordStore& _word_store; + const uint32_t _arity; + +public: + DocumentFeaturesStoreSaver(const DocumentFeaturesStore& store); + ~DocumentFeaturesStoreSaver(); + void save(BufferWriter& writer) const; +}; + +} |