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 HashLinkListRepFactory : public MemTableRepFactory { 17 public: HashLinkListRepFactory(size_t bucket_count,uint32_t threshold_use_skiplist,size_t huge_page_tlb_size,int bucket_entries_logging_threshold,bool if_log_bucket_dist_when_flash)18 explicit HashLinkListRepFactory(size_t bucket_count, 19 uint32_t threshold_use_skiplist, 20 size_t huge_page_tlb_size, 21 int bucket_entries_logging_threshold, 22 bool if_log_bucket_dist_when_flash) 23 : bucket_count_(bucket_count), 24 threshold_use_skiplist_(threshold_use_skiplist), 25 huge_page_tlb_size_(huge_page_tlb_size), 26 bucket_entries_logging_threshold_(bucket_entries_logging_threshold), 27 if_log_bucket_dist_when_flash_(if_log_bucket_dist_when_flash) {} 28 ~HashLinkListRepFactory()29 virtual ~HashLinkListRepFactory() {} 30 31 using MemTableRepFactory::CreateMemTableRep; 32 virtual MemTableRep* CreateMemTableRep( 33 const MemTableRep::KeyComparator& compare, Allocator* allocator, 34 const SliceTransform* transform, Logger* logger) override; 35 Name()36 virtual const char* Name() const override { 37 return "HashLinkListRepFactory"; 38 } 39 40 private: 41 const size_t bucket_count_; 42 const uint32_t threshold_use_skiplist_; 43 const size_t huge_page_tlb_size_; 44 int bucket_entries_logging_threshold_; 45 bool if_log_bucket_dist_when_flash_; 46 }; 47 48 } // namespace ROCKSDB_NAMESPACE 49 #endif // ROCKSDB_LITE 50