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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 <vespa/searchcore/proton/common/ipendinglidtracker.h>
#include <vespa/vespalib/util/executor.h>
namespace proton {
struct IDocumentMetaStore;
class IPendingGidToLidChanges;
/**
* Class for task to be executed when a forced commit has completed and
* memory index and attributes have been updated.
*
* The task handles two things:
*
* 1. Passing on lids that can be reused do document meta store.
* They have to go through a hold cycle in order for searches that
* might have posting lists referencing the lids in context of
* their old identity.
*
* 2. Shrinking of document meta store lid space. This also goes through
* a hold cycle, since it must be handled after any lids to be reused.
*/
class ForceCommitDoneTask : public vespalib::Executor::Task
{
std::vector<uint32_t> _lidsToReuse;
bool _holdUnblockShrinkLidSpace;
IDocumentMetaStore &_documentMetaStore;
std::unique_ptr<IPendingGidToLidChanges> _pending_gid_to_lid_changes;
public:
ForceCommitDoneTask(IDocumentMetaStore &documentMetaStore, std::unique_ptr<IPendingGidToLidChanges> pending_gid_to_lid_changes);
~ForceCommitDoneTask() override;
void reuseLids(std::vector<uint32_t> &&lids);
void holdUnblockShrinkLidSpace() {
_holdUnblockShrinkLidSpace = true;
}
void run() override;
bool empty() const {
return _lidsToReuse.empty() && !_holdUnblockShrinkLidSpace && !_pending_gid_to_lid_changes;
}
};
} // namespace proton
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