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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/rocksdb/utilities/compaction_filters.cc | |
parent | Initial commit. (diff) | |
download | ceph-upstream/18.2.2.tar.xz ceph-upstream/18.2.2.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/rocksdb/utilities/compaction_filters.cc')
-rw-r--r-- | src/rocksdb/utilities/compaction_filters.cc | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/rocksdb/utilities/compaction_filters.cc b/src/rocksdb/utilities/compaction_filters.cc new file mode 100644 index 000000000..8763901c3 --- /dev/null +++ b/src/rocksdb/utilities/compaction_filters.cc @@ -0,0 +1,56 @@ +// 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 <memory> + +#include "rocksdb/compaction_filter.h" +#include "rocksdb/options.h" +#include "rocksdb/utilities/customizable_util.h" +#include "rocksdb/utilities/options_type.h" +#include "utilities/compaction_filters/layered_compaction_filter_base.h" +#include "utilities/compaction_filters/remove_emptyvalue_compactionfilter.h" + +namespace ROCKSDB_NAMESPACE { +#ifndef ROCKSDB_LITE +static int RegisterBuiltinCompactionFilters(ObjectLibrary& library, + const std::string& /*arg*/) { + library.AddFactory<CompactionFilter>( + RemoveEmptyValueCompactionFilter::kClassName(), + [](const std::string& /*uri*/, + std::unique_ptr<CompactionFilter>* /*guard*/, + std::string* /*errmsg*/) { + return new RemoveEmptyValueCompactionFilter(); + }); + return 1; +} +#endif // ROCKSDB_LITE +Status CompactionFilter::CreateFromString(const ConfigOptions& config_options, + const std::string& value, + const CompactionFilter** result) { +#ifndef ROCKSDB_LITE + static std::once_flag once; + std::call_once(once, [&]() { + RegisterBuiltinCompactionFilters(*(ObjectLibrary::Default().get()), ""); + }); +#endif // ROCKSDB_LITE + CompactionFilter* filter = const_cast<CompactionFilter*>(*result); + Status status = LoadStaticObject<CompactionFilter>(config_options, value, + nullptr, &filter); + if (status.ok()) { + *result = const_cast<CompactionFilter*>(filter); + } + return status; +} + +Status CompactionFilterFactory::CreateFromString( + const ConfigOptions& config_options, const std::string& value, + std::shared_ptr<CompactionFilterFactory>* result) { + // Currently there are no builtin CompactionFilterFactories. + // If any are introduced, they need to be registered here. + Status status = LoadSharedObject<CompactionFilterFactory>( + config_options, value, nullptr, result); + return status; +} +} // namespace ROCKSDB_NAMESPACE |