mirror of https://gitee.com/bigwinds/arangodb
75 lines
2.1 KiB
C++
75 lines
2.1 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_UTILS_COLLECTION_EXPORT_H
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#define ARANGOD_UTILS_COLLECTION_EXPORT_H 1
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#include "Basics/Common.h"
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#include "Utils/CollectionNameResolver.h"
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#include "VocBase/voc-types.h"
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struct TRI_document_collection_t;
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struct TRI_vocbase_t;
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namespace arangodb {
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class CollectionGuard;
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class DocumentDitch;
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class CollectionExport {
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friend class ExportCursor;
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public:
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struct Restrictions {
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enum Type { RESTRICTION_NONE, RESTRICTION_INCLUDE, RESTRICTION_EXCLUDE };
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Restrictions() : fields(), type(RESTRICTION_NONE) {}
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std::unordered_set<std::string> fields;
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Type type;
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};
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public:
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CollectionExport(CollectionExport const&) = delete;
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CollectionExport& operator=(CollectionExport const&) = delete;
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CollectionExport(TRI_vocbase_t*, std::string const&, Restrictions const&);
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~CollectionExport();
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public:
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void run(uint64_t, size_t);
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private:
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arangodb::CollectionGuard* _guard;
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struct TRI_document_collection_t* _document;
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arangodb::DocumentDitch* _ditch;
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std::string const _name;
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arangodb::CollectionNameResolver _resolver;
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Restrictions _restrictions;
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std::vector<void const*>* _documents;
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};
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}
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#endif
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