Class: Bootscale::FileStorage

Inherits:
Object
  • Object
show all
Defined in:
lib/bootscale/file_storage.rb

Constant Summary collapse

Serializer = 
Marshal

Instance Method Summary collapse

Constructor Details

#initialize(directory) ⇒ FileStorage

Returns a new instance of FileStorage.



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# File 'lib/bootscale/file_storage.rb', line 5

def initialize(directory)
  @directory = directory
end

Instance Method Details

#cache_path(load_path) ⇒ Object 



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# File 'lib/bootscale/file_storage.rb', line 24

def cache_path(load_path)
  hash = Digest::MD5.hexdigest((load_path + [RUBY_VERSION, Bootscale::VERSION, MessagePack::VERSION]).join('|'))
  File.join(@directory, "bootscale-#{hash}.msgpack")
end

#dump(load_path, cache) ⇒ Object 



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# File 'lib/bootscale/file_storage.rb', line 14

def dump(load_path, cache)
  path = cache_path(load_path)
  return if File.exist?(path)
  FileUtils.mkdir_p(File.dirname(path))
  File.write(path, Serializer.dump(cache))
end

#load(load_path) ⇒ Object 



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# File 'lib/bootscale/file_storage.rb', line 9

def load(load_path)
  path = cache_path(load_path)
  Serializer.load(File.read(path)) if File.exist?(path)
end