PendingRequests.h

/*
 * Copyright (C) 2019-2021 HERE Europe B.V.
 *
 * 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 * License-Filename: LICENSE
 */
 
#pragma once
 
#include <memory>
#include <mutex>
#include <unordered_map>
#include <unordered_set>
#include <vector>
 
#include <olp/core/client/CancellationToken.h>
#include <olp/core/client/TaskContext.h>
 
namespace olp {
namespace client {
 
class CORE_API PendingRequests final {
 public:
  bool CancelAll();
 
  bool CancelAllAndWait();
 
  void Insert(TaskContext task_context);
 
  void Remove(TaskContext task_context);
 
  size_t GetTaskCount() const;
 
 private:
  using ContextMap = std::unordered_set<TaskContext, TaskContextHash>;
  ContextMap task_contexts_;
  mutable std::mutex task_contexts_lock_;
};
 
}  // namespace client
}  // namespace olp