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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "searchable_doc_subdb_configurer.h"
#include "fast_access_feed_view.h"
#include "i_attribute_writer_factory.h"
#include <vespa/searchcore/proton/reprocessing/i_reprocessing_initializer.h>
namespace proton {
/**
* Class used to reconfig the feed view used in a fast-access sub database
* when the set of fast-access attributes change.
*/
class FastAccessDocSubDBConfigurer
{
public:
using FeedViewVarHolder = vespalib::VarHolder<FastAccessFeedView::SP>;
private:
FeedViewVarHolder &_feedView;
IAttributeWriterFactory::UP _factory;
vespalib::string _subDbName;
void reconfigureFeedView(FastAccessFeedView & curr,
search::index::Schema::SP schema,
std::shared_ptr<const document::DocumentTypeRepo> repo,
IAttributeWriter::SP attrWriter);
public:
FastAccessDocSubDBConfigurer(FeedViewVarHolder &feedView,
IAttributeWriterFactory::UP factory,
const vespalib::string &subDbName);
~FastAccessDocSubDBConfigurer();
std::unique_ptr<DocumentSubDBReconfig> prepare_reconfig(const DocumentDBConfig& new_config_snapshot, const DocumentDBConfig& old_config_snapshot, const ReconfigParams& reconfig_params, std::optional<search::SerialNum> serial_num);
IReprocessingInitializer::UP reconfigure(const DocumentDBConfig &newConfig,
const DocumentDBConfig &oldConfig,
AttributeCollectionSpec && attrSpec,
const DocumentSubDBReconfig& prepared_reconfig,
search::SerialNum serial_num);
};
} // namespace proton
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