blob: ef04262f956df0926b7787c3f195e0ff61c24482 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
#include "FileCacheFactory.h"
#include "FileCache.h"
namespace DB
{
namespace ErrorCodes
{
extern const int BAD_ARGUMENTS;
}
FileCacheFactory & FileCacheFactory::instance()
{
static FileCacheFactory ret;
return ret;
}
FileCacheFactory::CacheByName FileCacheFactory::getAll()
{
std::lock_guard lock(mutex);
return caches_by_name;
}
FileCachePtr FileCacheFactory::getOrCreate(
const std::string & cache_name, const FileCacheSettings & file_cache_settings)
{
std::lock_guard lock(mutex);
auto it = caches_by_name.find(cache_name);
if (it == caches_by_name.end())
{
auto cache = std::make_shared<FileCache>(cache_name, file_cache_settings);
it = caches_by_name.emplace(
cache_name, std::make_unique<FileCacheData>(cache, file_cache_settings)).first;
}
return it->second->cache;
}
FileCacheFactory::FileCacheData FileCacheFactory::getByName(const std::string & cache_name)
{
std::lock_guard lock(mutex);
auto it = caches_by_name.find(cache_name);
if (it == caches_by_name.end())
throw Exception(ErrorCodes::BAD_ARGUMENTS, "There is no cache by name: {}", cache_name);
return *it->second;
}
}
|
