mirror of https://gitee.com/bigwinds/arangodb
74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGOD_MMFILES_MMFILES_PERSISTENT_INDEX_FEATURE_H
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#define ARANGOD_MMFILES_MMFILES_PERSISTENT_INDEX_FEATURE_H 1
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#include "ApplicationFeatures/ApplicationFeature.h"
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#include "Basics/Common.h"
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#include "VocBase/voc-types.h"
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#include <rocksdb/options.h>
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namespace rocksdb {
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class OptimisticTransactionDB;
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}
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namespace arangodb {
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class MMFilesPersistentIndexKeyComparator;
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class MMFilesPersistentIndexFeature final : public application_features::ApplicationFeature {
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public:
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explicit MMFilesPersistentIndexFeature(application_features::ApplicationServer& server);
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~MMFilesPersistentIndexFeature();
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void collectOptions(std::shared_ptr<options::ProgramOptions>) override final;
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void validateOptions(std::shared_ptr<options::ProgramOptions>) override final;
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void start() override final;
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void unprepare() override final;
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inline rocksdb::OptimisticTransactionDB* db() const { return _db; }
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inline MMFilesPersistentIndexKeyComparator* comparator() const {
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return _comparator;
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}
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static int syncWal();
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static int dropDatabase(TRI_voc_tick_t);
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static int dropCollection(TRI_voc_tick_t, TRI_voc_cid_t);
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static int dropIndex(TRI_voc_tick_t, TRI_voc_cid_t, TRI_idx_iid_t);
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static MMFilesPersistentIndexFeature* instance();
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private:
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int dropPrefix(std::string const& prefix);
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rocksdb::OptimisticTransactionDB* _db;
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rocksdb::Options _options;
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MMFilesPersistentIndexKeyComparator* _comparator;
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std::string _path;
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};
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} // namespace arangodb
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#endif |