fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
59 lines
2.1 KiB
59 lines
2.1 KiB
// Copyright (c) 2014, 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.
|
|
|
|
#ifndef ROCKSDB_LITE
|
|
#include "table/cuckoo_table_factory.h"
|
|
|
|
#include "db/dbformat.h"
|
|
#include "table/cuckoo_table_builder.h"
|
|
#include "table/cuckoo_table_reader.h"
|
|
|
|
namespace rocksdb {
|
|
Status CuckooTableFactory::NewTableReader(const Options& options,
|
|
const EnvOptions& soptions, const InternalKeyComparator& icomp,
|
|
std::unique_ptr<RandomAccessFile>&& file, uint64_t file_size,
|
|
std::unique_ptr<TableReader>* table) const {
|
|
std::unique_ptr<CuckooTableReader> new_reader(new CuckooTableReader(options,
|
|
std::move(file), file_size, icomp.user_comparator(), nullptr));
|
|
Status s = new_reader->status();
|
|
if (s.ok()) {
|
|
*table = std::move(new_reader);
|
|
}
|
|
return s;
|
|
}
|
|
|
|
TableBuilder* CuckooTableFactory::NewTableBuilder(
|
|
const Options& options, const InternalKeyComparator& internal_comparator,
|
|
WritableFile* file, CompressionType compression_type) const {
|
|
return new CuckooTableBuilder(file, hash_table_ratio_, 64, max_search_depth_,
|
|
internal_comparator.user_comparator(), cuckoo_block_size_, nullptr);
|
|
}
|
|
|
|
std::string CuckooTableFactory::GetPrintableTableOptions() const {
|
|
std::string ret;
|
|
ret.reserve(2000);
|
|
const int kBufferSize = 200;
|
|
char buffer[kBufferSize];
|
|
|
|
snprintf(buffer, kBufferSize, " hash_table_ratio: %lf\n",
|
|
hash_table_ratio_);
|
|
ret.append(buffer);
|
|
snprintf(buffer, kBufferSize, " max_search_depth: %u\n",
|
|
max_search_depth_);
|
|
ret.append(buffer);
|
|
snprintf(buffer, kBufferSize, " cuckoo_block_size: %u\n",
|
|
cuckoo_block_size_);
|
|
ret.append(buffer);
|
|
return ret;
|
|
}
|
|
|
|
TableFactory* NewCuckooTableFactory(double hash_table_ratio,
|
|
uint32_t max_search_depth, uint32_t cuckoo_block_size) {
|
|
return new CuckooTableFactory(
|
|
hash_table_ratio, max_search_depth, cuckoo_block_size);
|
|
}
|
|
|
|
} // namespace rocksdb
|
|
#endif // ROCKSDB_LITE
|
|
|