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https://github.com/facebook/rocksdb.git
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4d2ba38b65
Summary: Rename Version::Builder to VersionBuilder and expose its definition to a header. Make VerisonBuilder not reference Version or ColumnFamilyData, only working with VersionStorageInfo. Add version_builder_test which has a simple test. Test Plan: make all check Reviewers: rven, yhchiang, igor, ljin Reviewed By: igor Subscribers: leveldb, dhruba Differential Revision: https://reviews.facebook.net/D27969
41 lines
1.4 KiB
C++
41 lines
1.4 KiB
C++
// Copyright (c) 2013, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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//
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#pragma once
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#include "rocksdb/env.h"
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namespace rocksdb {
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class TableCache;
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class VersionStorageInfo;
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class VersionEdit;
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class FileMetaData;
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// A helper class so we can efficiently apply a whole sequence
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// of edits to a particular state without creating intermediate
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// Versions that contain full copies of the intermediate state.
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class VersionBuilder {
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public:
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VersionBuilder(const EnvOptions& env_options, TableCache* table_cache,
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VersionStorageInfo* base_vstorage);
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~VersionBuilder();
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void CheckConsistency(VersionStorageInfo* vstorage);
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void CheckConsistencyForDeletes(VersionEdit* edit, uint64_t number,
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int level);
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void Apply(VersionEdit* edit);
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void SaveTo(VersionStorageInfo* vstorage);
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void LoadTableHandlers();
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void MaybeAddFile(VersionStorageInfo* vstorage, int level, FileMetaData* f);
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private:
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class Rep;
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Rep* rep_;
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};
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} // namespace rocksdb
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