mirror of https://gitee.com/bigwinds/arangodb
96 lines
2.8 KiB
C++
96 lines
2.8 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2017 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 Daniel Larkin-York
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGOD_IRESEARCH_ROCKSDB_RECOVERY_HELPER_H
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#define ARANGOD_IRESEARCH_ROCKSDB_RECOVERY_HELPER_H 1
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#include "RocksDBEngine/RocksDBRecoveryHelper.h"
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#include "VocBase/voc-types.h"
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#include <velocypack/velocypack-aliases.h>
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#include <set>
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struct TRI_vocbase_t;
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namespace arangodb {
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class Result;
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class DatabaseFeature;
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class LogicalCollection;
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class RocksDBEngine;
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namespace iresearch {
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class IResearchLink;
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class IResearchRocksDBRecoveryHelper final : public RocksDBRecoveryHelper {
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public:
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struct IndexId {
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TRI_voc_tick_t db;
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TRI_voc_cid_t cid;
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TRI_idx_iid_t iid;
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IndexId(TRI_voc_tick_t db, TRI_voc_cid_t cid, TRI_idx_iid_t iid) noexcept
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: db(db), cid(cid), iid(iid) {}
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bool operator<(IndexId const& rhs) const noexcept {
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return db < rhs.db && cid < rhs.cid && iid < rhs.iid;
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}
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};
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IResearchRocksDBRecoveryHelper() = default;
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virtual ~IResearchRocksDBRecoveryHelper() override = default;
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virtual void prepare() override;
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virtual void PutCF(uint32_t column_family_id, const rocksdb::Slice& key,
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const rocksdb::Slice& value) override;
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virtual void DeleteCF(uint32_t column_family_id, const rocksdb::Slice& key) override {
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handleDeleteCF(column_family_id, key);
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}
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virtual void SingleDeleteCF(uint32_t column_family_id, const rocksdb::Slice& key) override {
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handleDeleteCF(column_family_id, key);
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}
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virtual void DeleteRangeCF(uint32_t column_family_id, const rocksdb::Slice& begin_key,
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const rocksdb::Slice& end_key) override;
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virtual void LogData(const rocksdb::Slice& blob) override;
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private:
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void handleDeleteCF(uint32_t column_family_id, const rocksdb::Slice& key);
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std::set<IndexId> _recoveredIndexes; // set of already recovered indexes
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DatabaseFeature* _dbFeature{};
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RocksDBEngine* _engine{};
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uint32_t _documentCF{};
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};
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} // end namespace iresearch
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} // end namespace arangodb
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#endif
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