mirror of https://gitee.com/bigwinds/arangodb
71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2018 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 Michael Hackstein
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGOD_CLUSTER_CLUSTER_EDGE_CURSOR_H
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#define ARANGOD_CLUSTER_CLUSTER_EDGE_CURSOR_H 1
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#include "Graph/EdgeCursor.h"
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#include "Graph/TraverserOptions.h"
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namespace arangodb {
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class CollectionNameResolver;
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namespace graph {
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struct BaseOptions;
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class ClusterTraverserCache;
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} // namespace graph
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namespace traverser {
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class Traverser;
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class ClusterEdgeCursor : public graph::EdgeCursor {
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public:
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// Traverser Variant
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ClusterEdgeCursor(arangodb::velocypack::StringRef vid, uint64_t, graph::BaseOptions*);
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// ShortestPath Variant
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ClusterEdgeCursor(arangodb::velocypack::StringRef vid, bool isBackward, graph::BaseOptions*);
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~ClusterEdgeCursor() {}
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bool next(EdgeCursor::Callback const& callback) override;
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void readAll(EdgeCursor::Callback const& callback) override;
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/// @brief number of HTTP requests performed.
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size_t httpRequests() const override { return _httpRequests; }
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private:
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std::vector<arangodb::velocypack::Slice> _edgeList;
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size_t _position;
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CollectionNameResolver const* _resolver;
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arangodb::graph::BaseOptions* _opts;
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arangodb::graph::ClusterTraverserCache* _cache;
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size_t _httpRequests;
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};
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} // namespace traverser
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} // namespace arangodb
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#endif
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