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// Copyright 2020 Google LLC
//
// 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
//
// https://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.
#ifndef CORE_STRATEGY_H_
#define CORE_STRATEGY_H_
#include <string>
namespace location {
namespace nearby {
namespace connections {
// Defines a copyable, comparable connection strategy type.
// It is one of: kP2pCluster, kP2pStar, kP2pPointToPoint.
class Strategy {
public:
static const Strategy kNone;
static const Strategy kP2pCluster;
static const Strategy kP2pStar;
static const Strategy kP2pPointToPoint;
constexpr Strategy() : Strategy(kNone) {}
constexpr Strategy(const Strategy& other)
: connection_type_(other.connection_type_),
topology_type_(other.topology_type_) {}
// Returns true, if strategy is kNone, false otherwise.
bool IsNone() const;
// Returns true, if a strategy is one of the supported strategies,
// false otherwise.
bool IsValid() const;
// Returns a string representing given strategy, for every valid strategy.
std::string GetName() const;
// Undefine strategy.
void Clear() {
*this = kNone;
}
friend bool operator==(const Strategy& lhs, const Strategy& rhs);
friend bool operator!=(const Strategy& lhs, const Strategy& rhs);
private:
enum class ConnectionType {
kNone = 0,
kPointToPoint = 1,
};
enum class TopologyType {
kUnknown = 0,
kOneToOne = 1,
kOneToMany = 2,
kManyToMany = 3,
};
constexpr Strategy(ConnectionType connection_type, TopologyType topology_type)
: connection_type_(connection_type), topology_type_(topology_type) {}
ConnectionType connection_type_;
TopologyType topology_type_;
};
} // namespace connections
} // namespace nearby
} // namespace location
#endif // CORE_STRATEGY_H_