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// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#include <mutex>
#include "rocksdb/convenience.h"
#include "rocksdb/table.h"
#include "rocksdb/utilities/customizable_util.h"
#include "rocksdb/utilities/object_registry.h"
#include "table/block_based/block_based_table_factory.h"
#include "table/cuckoo/cuckoo_table_factory.h"
#include "table/plain/plain_table_factory.h"
namespace ROCKSDB_NAMESPACE {
static void RegisterTableFactories(const std::string& /*arg*/) {
#ifndef ROCKSDB_LITE
static std::once_flag loaded;
std::call_once(loaded, []() {
auto library = ObjectLibrary::Default();
library->AddFactory<TableFactory>(
TableFactory::kBlockBasedTableName(),
[](const std::string& /*uri*/, std::unique_ptr<TableFactory>* guard,
std::string* /* errmsg */) {
guard->reset(new BlockBasedTableFactory());
return guard->get();
});
library->AddFactory<TableFactory>(
TableFactory::kPlainTableName(),
[](const std::string& /*uri*/, std::unique_ptr<TableFactory>* guard,
std::string* /* errmsg */) {
guard->reset(new PlainTableFactory());
return guard->get();
});
library->AddFactory<TableFactory>(
TableFactory::kCuckooTableName(),
[](const std::string& /*uri*/, std::unique_ptr<TableFactory>* guard,
std::string* /* errmsg */) {
guard->reset(new CuckooTableFactory());
return guard->get();
});
});
#endif // ROCKSDB_LITE
}
static bool LoadFactory(const std::string& name,
std::shared_ptr<TableFactory>* factory) {
if (name == TableFactory::kBlockBasedTableName()) {
factory->reset(new BlockBasedTableFactory());
return true;
} else {
return false;
}
}
Status TableFactory::CreateFromString(const ConfigOptions& config_options,
const std::string& value,
std::shared_ptr<TableFactory>* factory) {
RegisterTableFactories("");
return LoadSharedObject<TableFactory>(config_options, value, LoadFactory,
factory);
}
} // namespace ROCKSDB_NAMESPACE
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