| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| #pragma once |
| |
| #include <iostream> |
| #include <unordered_map> |
| #include <shared_mutex> |
| #include <functional> |
| #include <vector> |
| #include <atomic> |
| |
| template <typename Value> |
| class SimpleConcurrentVector |
| { |
| private: |
| std::vector<Value> v_; |
| mutable std::shared_mutex mutex_; |
| |
| public: |
| size_t size() const |
| { |
| std::lock_guard<std::shared_mutex> lock(mutex_); |
| return v_.size(); |
| } |
| |
| void push_back(const Value &value) |
| { |
| std::lock_guard<std::shared_mutex> lock(mutex_); |
| v_.push_back(value); |
| } |
| |
| void insert(const size_t &index, const Value &value) |
| { |
| std::lock_guard<std::shared_mutex> lock(mutex_); |
| v_.insert(v_.begin() + index, value); |
| } |
| |
| void erase(const size_t &index) |
| { |
| std::lock_guard<std::shared_mutex> lock(mutex_); |
| v_.erase(v_.begin() + index); |
| } |
| |
| std::vector<Value> getCopy() const |
| { |
| std::shared_lock<std::shared_mutex> lock(mutex_); |
| return v_; |
| } |
| |
| Value &operator[](const size_t &index) |
| { |
| std::shared_lock<std::shared_mutex> lock(mutex_); |
| return v_[index]; |
| } |
| }; |