mirror of https://gitee.com/bigwinds/arangodb
87 lines
3.1 KiB
C++
87 lines
3.1 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2016-2016 ArangoDB 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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#include "Aql/TraversalOptions.h"
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#include "Basics/VelocyPackHelper.h"
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#include <velocypack/velocypack-aliases.h>
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using namespace arangodb::aql;
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TraversalOptions::TraversalOptions(VPackSlice const& slice) {
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VPackSlice obj = slice.get("traversalFlags");
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useBreadthFirst = basics::VelocyPackHelper::getBooleanValue(obj, "bfs", false);
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std::string tmp = basics::VelocyPackHelper::getStringValue(obj, "uniqueVertices", "");
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if (tmp == "path") {
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uniqueVertices =
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arangodb::traverser::TraverserOptions::UniquenessLevel::PATH;
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} else if (tmp == "global") {
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uniqueVertices =
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arangodb::traverser::TraverserOptions::UniquenessLevel::GLOBAL;
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} else {
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uniqueVertices =
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arangodb::traverser::TraverserOptions::UniquenessLevel::NONE;
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}
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tmp = basics::VelocyPackHelper::getStringValue(obj, "uniqueEdges", "");
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if (tmp == "none") {
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uniqueEdges =
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arangodb::traverser::TraverserOptions::UniquenessLevel::NONE;
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} else if (tmp == "global") {
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uniqueEdges =
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arangodb::traverser::TraverserOptions::UniquenessLevel::GLOBAL;
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} else {
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uniqueEdges =
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arangodb::traverser::TraverserOptions::UniquenessLevel::PATH;
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}
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}
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void TraversalOptions::toVelocyPack(VPackBuilder& builder) const {
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VPackObjectBuilder guard(&builder);
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builder.add("bfs", VPackValue(useBreadthFirst));
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switch (uniqueVertices) {
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case arangodb::traverser::TraverserOptions::UniquenessLevel::NONE:
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builder.add("uniqueVertices", VPackValue("none"));
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break;
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case arangodb::traverser::TraverserOptions::UniquenessLevel::PATH:
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builder.add("uniqueVertices", VPackValue("path"));
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break;
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case arangodb::traverser::TraverserOptions::UniquenessLevel::GLOBAL:
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builder.add("uniqueVertices", VPackValue("global"));
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break;
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}
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switch (uniqueEdges) {
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case arangodb::traverser::TraverserOptions::UniquenessLevel::NONE:
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builder.add("uniqueEdges", VPackValue("none"));
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break;
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case arangodb::traverser::TraverserOptions::UniquenessLevel::PATH:
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builder.add("uniqueEdges", VPackValue("path"));
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break;
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case arangodb::traverser::TraverserOptions::UniquenessLevel::GLOBAL:
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builder.add("uniqueEdges", VPackValue("global"));
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break;
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}
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}
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