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/*
* Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef TEST_PC_E2E_ANALYZER_VIDEO_ID_GENERATOR_H_
#define TEST_PC_E2E_ANALYZER_VIDEO_ID_GENERATOR_H_
#include <atomic>
namespace webrtc {
namespace test {
// IdGenerator generates ids. All provided ids have to be unique. There is no
// any order guarantees for provided ids.
template <typename T>
class IdGenerator {
public:
virtual ~IdGenerator() = default;
// Returns next unique id. There is no any order guarantees for provided ids.
virtual T GetNextId() = 0;
};
// Generates int ids. It is assumed, that no more then max int value ids will be
// requested from this generator.
class IntIdGenerator : public IdGenerator<int> {
public:
explicit IntIdGenerator(int start_value);
~IntIdGenerator() override;
int GetNextId() override;
private:
std::atomic<int> next_id_;
};
} // namespace test
} // namespace webrtc
#endif // TEST_PC_E2E_ANALYZER_VIDEO_ID_GENERATOR_H_