mirror of
https://github.com/facebook/rocksdb.git
synced 2024-11-28 15:33:54 +00:00
76c834e441
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
66 lines
2 KiB
C++
66 lines
2 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#pragma once
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#include "rocksdb/table.h"
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#include "util/gflags_compat.h"
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#include "util/random.h"
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DECLARE_int32(mark_for_compaction_one_file_in);
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namespace ROCKSDB_NAMESPACE {
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// A `DbStressTablePropertiesCollector` ignores what keys/values were added to
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// the table, adds no properties to the table, and decides at random whether the
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// table will be marked for compaction according to
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// `FLAGS_mark_for_compaction_one_file_in`.
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class DbStressTablePropertiesCollector : public TablePropertiesCollector {
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public:
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DbStressTablePropertiesCollector()
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: need_compact_(Random::GetTLSInstance()->OneInOpt(
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FLAGS_mark_for_compaction_one_file_in)) {}
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Status AddUserKey(const Slice& /* key */, const Slice& /* value */,
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EntryType /*type*/, SequenceNumber /*seq*/,
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uint64_t /*file_size*/) override {
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return Status::OK();
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}
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Status Finish(UserCollectedProperties* /* properties */) override {
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return Status::OK();
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}
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UserCollectedProperties GetReadableProperties() const override {
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return UserCollectedProperties{};
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}
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const char* Name() const override {
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return "DbStressTablePropertiesCollector";
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}
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bool NeedCompact() const override { return need_compact_; }
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private:
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const bool need_compact_;
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};
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// A `DbStressTablePropertiesCollectorFactory` creates
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// `DbStressTablePropertiesCollectorFactory`s.
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class DbStressTablePropertiesCollectorFactory
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: public TablePropertiesCollectorFactory {
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public:
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TablePropertiesCollector* CreateTablePropertiesCollector(
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TablePropertiesCollectorFactory::Context /* context */) override {
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return new DbStressTablePropertiesCollector();
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}
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const char* Name() const override {
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return "DbStressTablePropertiesCollectorFactory";
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}
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};
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} // namespace ROCKSDB_NAMESPACE
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