mirror of https://github.com/facebook/rocksdb.git
40 lines
1006 B
C
40 lines
1006 B
C
|
// Copyright (c) 2013, Facebook, Inc. All rights reserved.
|
||
|
|
// This source code is licensed under the BSD-style license found in the
|
||
|
|
// LICENSE file in the root directory of this source tree. An additional grant
|
||
|
|
// of patent rights can be found in the PATENTS file in the same directory.
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <deque>
|
||
|
|
#include <set>
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
namespace rocksdb {
|
||
|
|
|
||
|
|
class ColumnFamilyData;
|
||
|
|
|
||
|
|
// This class is thread-compatible. It's should only be accessed from single
|
||
|
|
// write thread (between BeginWrite() and EndWrite())
|
||
|
|
class FlushScheduler {
|
||
|
|
public:
|
||
|
|
FlushScheduler() = default;
|
||
|
|
~FlushScheduler() = default;
|
||
|
|
|
||
|
|
void ScheduleFlush(ColumnFamilyData* cfd);
|
||
|
|
// Returns Ref()-ed column family. Client needs to Unref()
|
||
|
|
ColumnFamilyData* GetNextColumnFamily();
|
||
|
|
|
||
|
|
bool Empty();
|
||
|
|
|
||
|
|
void Clear();
|
||
|
|
|
||
|
|
private:
|
||
|
|
std::deque<ColumnFamilyData*> column_families_;
|
||
|
|
#ifndef NDEBUG
|
||
|
|
std::set<ColumnFamilyData*> column_families_set_;
|
||
|
|
#endif // NDEBUG
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace rocksdb
|