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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "i_lid_space_compaction_handler.h"
#include "maintenancedocumentsubdb.h"
namespace proton {
class MaintenanceDocumentSubDB;
/**
* Class that handles lid space compaction over a single document sub db.
*/
class LidSpaceCompactionHandler : public ILidSpaceCompactionHandler
{
private:
const MaintenanceDocumentSubDB _subDb;
const vespalib::string _docTypeName;
public:
LidSpaceCompactionHandler(const MaintenanceDocumentSubDB& subDb,
const vespalib::string& docTypeName);
~LidSpaceCompactionHandler() override;
vespalib::string getName() const override;
void set_operation_listener(std::shared_ptr<documentmetastore::OperationListener> op_listener) override;
uint32_t getSubDbId() const override;
search::LidUsageStats getLidStatus() const override;
std::unique_ptr<IDocumentScanIterator> getIterator() const override;
std::unique_ptr<MoveOperation> createMoveOperation(const search::DocumentMetaData &document, uint32_t moveToLid) const override;
void handleMove(const MoveOperation &op, std::shared_ptr<vespalib::IDestructorCallback> doneCtx) override;
void handleCompactLidSpace(const CompactLidSpaceOperation &op, std::shared_ptr<vespalib::IDestructorCallback> compact_done_context) override;
search::DocumentMetaData getMetaData(uint32_t lid) const override;
};
} // namespace proton
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