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rocksdb

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RocksDB for Erlang

Retired package: Release invalid - Build broken, use 2.6.2
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rocksdb deps rocksdb db compaction compaction_state.h
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deps/rocksdb/db/compaction/compaction_state.h 

//  Copyright (c) Meta Platforms, Inc. and affiliates.

//

//  This source code is licensed under both the GPLv2 (found in the

//  COPYING file in the root directory) and Apache 2.0 License

//  (found in the LICENSE.Apache file in the root directory).

//

// Copyright (c) 2011 The LevelDB Authors. All rights reserved.

// Use of this source code is governed by a BSD-style license that can be

// found in the LICENSE file. See the AUTHORS file for names of contributors.



#pragma once



#include "db/compaction/compaction.h"

#include "db/compaction/subcompaction_state.h"

#include "db/internal_stats.h"



// Data structures used for compaction_job and compaction_service_job which has

// the list of sub_compact_states and the aggregated information for the

// compaction.

namespace ROCKSDB_NAMESPACE {



// Maintains state for the entire compaction

class CompactionState {

 public:

  Compaction* const compaction;



  // REQUIRED: subcompaction states are stored in order of increasing key-range

  std::vector<SubcompactionState> sub_compact_states;

  Status status;



  void AggregateCompactionStats(

      InternalStats::CompactionStatsFull& internal_stats,

      CompactionJobStats& job_stats);



  explicit CompactionState(Compaction* c) : compaction(c) {}



  Slice SmallestUserKey();



  Slice LargestUserKey();

};



}  // namespace ROCKSDB_NAMESPACE