parkspace_module/tool/thread_safe_map.h

//
// Created by zx on 2020/7/3.
//

#ifndef NNXX_TESTS_THREAD_SAFE_MAP_H
#define NNXX_TESTS_THREAD_SAFE_MAP_H


#include <map>
#include <mutex>
template<typename Key, typename Val>
class thread_safe_map
{
public:
    typedef typename std::map<Key, Val>::iterator this_iterator;
    typedef typename std::map<Key, Val>::const_iterator this_const_iterator;
    Val& operator [](const Key& key)
    {
        std::lock_guard<std::mutex> lk(mtx_);
        return dataMap_[key];
    }
    int erase(const Key& key )
    {
        std::lock_guard<std::mutex> lk(mtx_);
        return dataMap_.erase(key);
    }

    this_iterator find( const Key& key )
    {
        std::lock_guard<std::mutex> lk(mtx_);
        return dataMap_.find(key);
    }
    this_const_iterator find( const Key& key ) const
    {
        std::lock_guard<std::mutex> lk(mtx_);
        return dataMap_.find(key);
    }

    this_iterator end()
    {
        return dataMap_.end();
    }

    this_const_iterator end() const
    {
        return dataMap_.end();
    }

private:
    std::map<Key, Val> dataMap_;
    std::mutex mtx_;
};


#endif //NNXX_TESTS_THREAD_SAFE_MAP_H