fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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63 lines
2.1 KiB
63 lines
2.1 KiB
// Copyright (c) 2014, 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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#ifndef ROCKSDB_LITE
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#include "table/cuckoo_table_factory.h"
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#include "db/dbformat.h"
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#include "table/cuckoo_table_builder.h"
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#include "table/cuckoo_table_reader.h"
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namespace rocksdb {
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Status CuckooTableFactory::NewTableReader(const ImmutableCFOptions& ioptions,
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const EnvOptions& env_options, const InternalKeyComparator& icomp,
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std::unique_ptr<RandomAccessFile>&& file, uint64_t file_size,
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std::unique_ptr<TableReader>* table) const {
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std::unique_ptr<CuckooTableReader> new_reader(new CuckooTableReader(ioptions,
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std::move(file), file_size, icomp.user_comparator(), nullptr));
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Status s = new_reader->status();
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if (s.ok()) {
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*table = std::move(new_reader);
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}
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return s;
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}
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TableBuilder* CuckooTableFactory::NewTableBuilder(
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const ImmutableCFOptions& ioptions,
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const InternalKeyComparator& internal_comparator,
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WritableFile* file, const CompressionType,
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const CompressionOptions&) const {
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return new CuckooTableBuilder(file, hash_table_ratio_, 64,
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max_search_depth_, internal_comparator.user_comparator(),
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cuckoo_block_size_, nullptr);
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}
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std::string CuckooTableFactory::GetPrintableTableOptions() const {
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std::string ret;
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ret.reserve(2000);
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const int kBufferSize = 200;
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char buffer[kBufferSize];
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snprintf(buffer, kBufferSize, " hash_table_ratio: %lf\n",
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hash_table_ratio_);
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ret.append(buffer);
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snprintf(buffer, kBufferSize, " max_search_depth: %u\n",
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max_search_depth_);
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ret.append(buffer);
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snprintf(buffer, kBufferSize, " cuckoo_block_size: %u\n",
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cuckoo_block_size_);
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ret.append(buffer);
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return ret;
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}
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TableFactory* NewCuckooTableFactory(double hash_table_ratio,
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uint32_t max_search_depth, uint32_t cuckoo_block_size) {
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return new CuckooTableFactory(
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hash_table_ratio, max_search_depth, cuckoo_block_size);
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}
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} // namespace rocksdb
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#endif // ROCKSDB_LITE
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