mirror of https://github.com/facebook/rocksdb.git
57 lines
2.3 KiB
C++
57 lines
2.3 KiB
C++
// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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#include <memory>
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#include "rocksdb/compaction_filter.h"
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#include "rocksdb/options.h"
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#include "rocksdb/utilities/customizable_util.h"
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#include "rocksdb/utilities/options_type.h"
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#include "utilities/compaction_filters/layered_compaction_filter_base.h"
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#include "utilities/compaction_filters/remove_emptyvalue_compactionfilter.h"
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namespace ROCKSDB_NAMESPACE {
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#ifndef ROCKSDB_LITE
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static int RegisterBuiltinCompactionFilters(ObjectLibrary& library,
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const std::string& /*arg*/) {
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library.AddFactory<CompactionFilter>(
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RemoveEmptyValueCompactionFilter::kClassName(),
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[](const std::string& /*uri*/,
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std::unique_ptr<CompactionFilter>* /*guard*/,
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std::string* /*errmsg*/) {
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return new RemoveEmptyValueCompactionFilter();
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});
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return 1;
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}
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#endif // ROCKSDB_LITE
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Status CompactionFilter::CreateFromString(const ConfigOptions& config_options,
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const std::string& value,
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const CompactionFilter** result) {
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#ifndef ROCKSDB_LITE
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static std::once_flag once;
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std::call_once(once, [&]() {
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RegisterBuiltinCompactionFilters(*(ObjectLibrary::Default().get()), "");
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});
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#endif // ROCKSDB_LITE
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CompactionFilter* filter = const_cast<CompactionFilter*>(*result);
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Status status = LoadStaticObject<CompactionFilter>(config_options, value,
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nullptr, &filter);
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if (status.ok()) {
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*result = const_cast<CompactionFilter*>(filter);
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}
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return status;
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}
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Status CompactionFilterFactory::CreateFromString(
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const ConfigOptions& config_options, const std::string& value,
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std::shared_ptr<CompactionFilterFactory>* result) {
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// Currently there are no builtin CompactionFilterFactories.
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// If any are introduced, they need to be registered here.
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Status status = LoadSharedObject<CompactionFilterFactory>(
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config_options, value, nullptr, result);
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return status;
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}
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} // namespace ROCKSDB_NAMESPACE
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