mirror of https://gitee.com/bigwinds/arangodb
77 lines
2.8 KiB
C++
77 lines
2.8 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_INDEX_H
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#define ARANGOD_MMFILES_MMFILES_INDEX_H 1
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#include "Basics/AttributeNameParser.h"
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#include "Basics/Common.h"
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#include "Basics/Result.h"
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#include "Indexes/Index.h"
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namespace arangodb {
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class LogicalCollection;
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namespace velocypack {
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class Slice;
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}
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class MMFilesIndex : public Index {
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public:
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MMFilesIndex(TRI_idx_iid_t id, LogicalCollection& collection, std::string const& name,
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std::vector<std::vector<arangodb::basics::AttributeName>> const& attributes,
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bool unique, bool sparse)
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: Index(id, collection, name, attributes, unique, sparse) {}
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MMFilesIndex(TRI_idx_iid_t id, LogicalCollection& collection,
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arangodb::velocypack::Slice const& info)
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: Index(id, collection, info) {}
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/// @brief if true this index should not be shown externally
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virtual bool isHidden() const override {
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return false; // do not generally hide MMFiles indexes
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}
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virtual Result sizeHint(transaction::Methods& trx, size_t size) { return Result(); }
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virtual bool isPersistent() const override { return false; };
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virtual void batchInsert(transaction::Methods& trx,
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std::vector<std::pair<LocalDocumentId, arangodb::velocypack::Slice>> const& docs,
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std::shared_ptr<arangodb::basics::LocalTaskQueue> queue);
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virtual Result insert(transaction::Methods& trx, LocalDocumentId const& documentId,
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arangodb::velocypack::Slice const& doc, OperationMode mode) = 0;
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virtual Result remove(transaction::Methods& trx, LocalDocumentId const& documentId,
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arangodb::velocypack::Slice const& doc, OperationMode mode) = 0;
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void afterTruncate(TRI_voc_tick_t) override {
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// for mmfiles, truncating the index just unloads it
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unload();
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}
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};
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} // namespace arangodb
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#endif
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