mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-16 03:12:43 +00:00
30 lines
642 B
C++
30 lines
642 B
C++
#pragma once
|
|
|
|
#include <Common/FileCache_fwd.h>
|
|
|
|
#include <boost/noncopyable.hpp>
|
|
#include <unordered_map>
|
|
#include <mutex>
|
|
|
|
namespace DB
|
|
{
|
|
|
|
/**
|
|
* Creates a FileCache object for cache_base_path.
|
|
*/
|
|
class FileCacheFactory final : private boost::noncopyable
|
|
{
|
|
public:
|
|
static FileCacheFactory & instance();
|
|
|
|
FileCachePtr getOrCreate(const std::string & cache_base_path, size_t max_size, size_t max_elements_size, size_t max_file_segment_size);
|
|
|
|
private:
|
|
FileCachePtr getImpl(const std::string & cache_base_path, std::lock_guard<std::mutex> &);
|
|
|
|
std::mutex mutex;
|
|
std::unordered_map<std::string, FileCachePtr> caches;
|
|
};
|
|
|
|
}
|