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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 <cstdint>
#include <optional>
namespace searchcorespi::index {
/*
* Class describing state for a disk index directory.
*/
class IndexDiskDirState {
uint32_t _active_count;
std::optional<uint64_t> _size_on_disk;
public:
IndexDiskDirState()
: _active_count(0),
_size_on_disk()
{
}
void activate() noexcept { ++_active_count; }
void deactivate() noexcept;
bool is_active() const noexcept { return _active_count != 0; }
const std::optional<uint64_t>& get_size_on_disk() const noexcept { return _size_on_disk; }
void set_size_on_disk(uint64_t size_on_disk) noexcept { _size_on_disk = size_on_disk; }
};
}
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