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Cache TitleInfo using LRUCache

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This commit is contained in:
Leeingnyo 2021-09-05 02:35:44 +09:00
parent de410f42b8
commit 847f516a65
1 changed files with 15 additions and 0 deletions
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15
src/library/types.cr
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@ -92,6 +92,18 @@ class TitleInfo
@@mutex_hash = {} of String => Mutex @@mutex_hash = {} of String => Mutex
def self.new(dir, &) def self.new(dir, &)
key = "#{dir}:info.json"
info = LRUCache.get key
if info.is_a? String
begin
instance = TitleInfo.from_json info
instance.dir = dir
yield instance
return
rescue
end
end
if @@mutex_hash[dir]? if @@mutex_hash[dir]?
mutex = @@mutex_hash[dir] mutex = @@mutex_hash[dir]
else else
@ -105,6 +117,7 @@ class TitleInfo
instance = TitleInfo.from_json File.read json_path instance = TitleInfo.from_json File.read json_path
end end
instance.dir = dir instance.dir = dir
LRUCache.set generate_cache_entry key, instance.to_json
yield instance yield instance
end end
end end
@ -112,5 +125,7 @@ class TitleInfo
def save def save
json_path = File.join @dir, "info.json" json_path = File.join @dir, "info.json"
File.write json_path, self.to_pretty_json File.write json_path, self.to_pretty_json
key = "#{@dir}:info.json"
LRUCache.set generate_cache_entry key, self.to_json
end end
end end