rocksdb/db/compaction/compaction_picker_fifo.h
Peter Dillinger 76c834e441 Remove 'virtual' when implied by 'override' (#12319)
Summary:
... to follow modern C++ style / idioms.

Used this hack:
```
for FILE in `cat my_list_of_files`; do perl -pi -e 'BEGIN{undef $/;} s/ virtual( [^;{]* override)/$1/smg' $FILE; done
```

Pull Request resolved: https://github.com/facebook/rocksdb/pull/12319

Test Plan: existing tests, CI

Reviewed By: jaykorean

Differential Revision: D53275303

Pulled By: pdillinger

fbshipit-source-id: bc0881af270aa8ef4d0ae4f44c5a6614b6407377
2024-01-31 13:14:42 -08:00

62 lines
2.9 KiB
C++

// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// 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_picker.h"
namespace ROCKSDB_NAMESPACE {
class FIFOCompactionPicker : public CompactionPicker {
public:
FIFOCompactionPicker(const ImmutableOptions& ioptions,
const InternalKeyComparator* icmp)
: CompactionPicker(ioptions, icmp) {}
Compaction* PickCompaction(const std::string& cf_name,
const MutableCFOptions& mutable_cf_options,
const MutableDBOptions& mutable_db_options,
VersionStorageInfo* version,
LogBuffer* log_buffer) override;
Compaction* CompactRange(const std::string& cf_name,
const MutableCFOptions& mutable_cf_options,
const MutableDBOptions& mutable_db_options,
VersionStorageInfo* vstorage, int input_level,
int output_level,
const CompactRangeOptions& compact_range_options,
const InternalKey* begin, const InternalKey* end,
InternalKey** compaction_end, bool* manual_conflict,
uint64_t max_file_num_to_ignore,
const std::string& trim_ts) override;
// The maximum allowed output level. Always returns 0.
int MaxOutputLevel() const override { return 0; }
bool NeedsCompaction(const VersionStorageInfo* vstorage) const override;
private:
Compaction* PickTTLCompaction(const std::string& cf_name,
const MutableCFOptions& mutable_cf_options,
const MutableDBOptions& mutable_db_options,
VersionStorageInfo* version,
LogBuffer* log_buffer);
Compaction* PickSizeCompaction(const std::string& cf_name,
const MutableCFOptions& mutable_cf_options,
const MutableDBOptions& mutable_db_options,
VersionStorageInfo* version,
LogBuffer* log_buffer);
Compaction* PickTemperatureChangeCompaction(
const std::string& cf_name, const MutableCFOptions& mutable_cf_options,
const MutableDBOptions& mutable_db_options, VersionStorageInfo* vstorage,
LogBuffer* log_buffer);
};
} // namespace ROCKSDB_NAMESPACE