1 // Copyright (c) 2011-present, Facebook, Inc. All rights reserved. 2 // This source code is licensed under both the GPLv2 (found in the 3 // COPYING file in the root directory) and Apache 2.0 License 4 // (found in the LICENSE.Apache file in the root directory). 5 // Copyright (c) 2011 The LevelDB Authors. All rights reserved. 6 // Use of this source code is governed by a BSD-style license that can be 7 // found in the LICENSE file. See the AUTHORS file for names of contributors. 8 9 #pragma once 10 #ifndef ROCKSDB_LITE 11 #include "rocksdb/slice_transform.h" 12 #include "rocksdb/memtablerep.h" 13 14 namespace ROCKSDB_NAMESPACE { 15 16 class HashSkipListRepFactory : public MemTableRepFactory { 17 public: HashSkipListRepFactory(size_t bucket_count,int32_t skiplist_height,int32_t skiplist_branching_factor)18 explicit HashSkipListRepFactory( 19 size_t bucket_count, 20 int32_t skiplist_height, 21 int32_t skiplist_branching_factor) 22 : bucket_count_(bucket_count), 23 skiplist_height_(skiplist_height), 24 skiplist_branching_factor_(skiplist_branching_factor) { } 25 ~HashSkipListRepFactory()26 virtual ~HashSkipListRepFactory() {} 27 28 using MemTableRepFactory::CreateMemTableRep; 29 virtual MemTableRep* CreateMemTableRep( 30 const MemTableRep::KeyComparator& compare, Allocator* allocator, 31 const SliceTransform* transform, Logger* logger) override; 32 Name()33 virtual const char* Name() const override { 34 return "HashSkipListRepFactory"; 35 } 36 37 private: 38 const size_t bucket_count_; 39 const int32_t skiplist_height_; 40 const int32_t skiplist_branching_factor_; 41 }; 42 43 } // namespace ROCKSDB_NAMESPACE 44 #endif // ROCKSDB_LITE 45