mirror of https://gitee.com/bigwinds/arangodb
122 lines
4.2 KiB
C++
122 lines
4.2 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
/// DISCLAIMER
|
|
///
|
|
/// Copyright 2016-2016 ArangoDB GmbH, Cologne, Germany
|
|
///
|
|
/// Licensed under the Apache License, Version 2.0 (the "License");
|
|
/// you may not use this file except in compliance with the License.
|
|
/// You may obtain a copy of the License at
|
|
///
|
|
/// http://www.apache.org/licenses/LICENSE-2.0
|
|
///
|
|
/// Unless required by applicable law or agreed to in writing, software
|
|
/// distributed under the License is distributed on an "AS IS" BASIS,
|
|
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
/// See the License for the specific language governing permissions and
|
|
/// limitations under the License.
|
|
///
|
|
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
|
|
///
|
|
/// @author Michael Hackstein
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "Aql/TraversalOptions.h"
|
|
|
|
#include <velocypack/velocypack-aliases.h>
|
|
|
|
using namespace arangodb::aql;
|
|
using Json = arangodb::basics::Json;
|
|
using JsonHelper = arangodb::basics::JsonHelper;
|
|
|
|
TraversalOptions::TraversalOptions(Json const& json) {
|
|
Json obj = json.get("traversalFlags");
|
|
useBreadthFirst = JsonHelper::getBooleanValue(obj.json(), "bfs", false);
|
|
std::string tmp = JsonHelper::getStringValue(obj.json(), "uniqueVertices", "");
|
|
if (tmp == "path") {
|
|
uniqueVertices =
|
|
arangodb::traverser::TraverserOptions::UniquenessLevel::PATH;
|
|
} else if (tmp == "global") {
|
|
uniqueVertices =
|
|
arangodb::traverser::TraverserOptions::UniquenessLevel::GLOBAL;
|
|
} else {
|
|
uniqueVertices =
|
|
arangodb::traverser::TraverserOptions::UniquenessLevel::NONE;
|
|
}
|
|
|
|
tmp = JsonHelper::getStringValue(obj.json(), "uniqueEdges", "");
|
|
if (tmp == "none") {
|
|
uniqueEdges =
|
|
arangodb::traverser::TraverserOptions::UniquenessLevel::NONE;
|
|
} else if (tmp == "global") {
|
|
uniqueEdges =
|
|
arangodb::traverser::TraverserOptions::UniquenessLevel::GLOBAL;
|
|
} else {
|
|
uniqueEdges =
|
|
arangodb::traverser::TraverserOptions::UniquenessLevel::PATH;
|
|
}
|
|
}
|
|
|
|
void TraversalOptions::toJson(arangodb::basics::Json& json,
|
|
TRI_memory_zone_t* zone) const {
|
|
Json flags;
|
|
|
|
flags = Json(Json::Object, 3);
|
|
flags("bfs", Json(useBreadthFirst));
|
|
|
|
switch (uniqueVertices) {
|
|
case arangodb::traverser::TraverserOptions::UniquenessLevel::NONE:
|
|
flags("uniqueVertices", Json("none"));
|
|
break;
|
|
case arangodb::traverser::TraverserOptions::UniquenessLevel::PATH:
|
|
flags("uniqueVertices", Json("path"));
|
|
break;
|
|
case arangodb::traverser::TraverserOptions::UniquenessLevel::GLOBAL:
|
|
flags("uniqueVertices", Json("global"));
|
|
break;
|
|
}
|
|
|
|
switch (uniqueEdges) {
|
|
case arangodb::traverser::TraverserOptions::UniquenessLevel::NONE:
|
|
flags("uniqueEdges", Json("none"));
|
|
break;
|
|
case arangodb::traverser::TraverserOptions::UniquenessLevel::PATH:
|
|
flags("uniqueEdges", Json("path"));
|
|
break;
|
|
case arangodb::traverser::TraverserOptions::UniquenessLevel::GLOBAL:
|
|
flags("uniqueEdges", Json("global"));
|
|
break;
|
|
}
|
|
|
|
json("traversalFlags", flags);
|
|
}
|
|
|
|
void TraversalOptions::toVelocyPack(VPackBuilder& builder) const {
|
|
VPackObjectBuilder guard(&builder);
|
|
|
|
builder.add("bfs", VPackValue(useBreadthFirst));
|
|
|
|
switch (uniqueVertices) {
|
|
case arangodb::traverser::TraverserOptions::UniquenessLevel::NONE:
|
|
builder.add("uniqueVertices", VPackValue("none"));
|
|
break;
|
|
case arangodb::traverser::TraverserOptions::UniquenessLevel::PATH:
|
|
builder.add("uniqueVertices", VPackValue("path"));
|
|
break;
|
|
case arangodb::traverser::TraverserOptions::UniquenessLevel::GLOBAL:
|
|
builder.add("uniqueVertices", VPackValue("global"));
|
|
break;
|
|
}
|
|
|
|
switch (uniqueEdges) {
|
|
case arangodb::traverser::TraverserOptions::UniquenessLevel::NONE:
|
|
builder.add("uniqueEdges", VPackValue("none"));
|
|
break;
|
|
case arangodb::traverser::TraverserOptions::UniquenessLevel::PATH:
|
|
builder.add("uniqueEdges", VPackValue("path"));
|
|
break;
|
|
case arangodb::traverser::TraverserOptions::UniquenessLevel::GLOBAL:
|
|
builder.add("uniqueEdges", VPackValue("global"));
|
|
break;
|
|
}
|
|
}
|