Module: Innate::Cache::FileBased

Included in:
Marshal, YAML
Defined in:
lib/innate/cache/file_based.rb

Overview

Used by caches that serialize their contents to the filesystem.

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#filename ⇒ Object (readonly)

Returns the value of attribute filename.



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# File 'lib/innate/cache/file_based.rb', line 6

def filename
  @filename
end

Instance Method Details

#cache_clear ⇒ Object 



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# File 'lib/innate/cache/file_based.rb', line 18

def cache_clear
  FileUtils.mkdir_p(@dir)
  FileUtils.rm_f(@filename)
  @store = self.class::STORE.new(@filename)
end

#cache_delete(*args) ⇒ Object 



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# File 'lib/innate/cache/file_based.rb', line 32

def cache_delete(*args)
  super{|key| transaction{|store| store.delete(key) } }
end

#cache_fetch(*args) ⇒ Object 



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# File 'lib/innate/cache/file_based.rb', line 28

def cache_fetch(*args)
  super{|key| transaction{|store| store[key] } }
end

#cache_setup(*args) ⇒ Object 



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# File 'lib/innate/cache/file_based.rb', line 8

def cache_setup(*args)
  @prefix = args.compact.join('-')

  @dir = File.join(Dir.tmpdir, self.class::DIR)
  FileUtils.mkdir_p(@dir)

  @filename = File.join(@dir, @prefix + self.class::EXT)
  @store = self.class::STORE.new(@filename)
end

#cache_store(*args) ⇒ Object 



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# File 'lib/innate/cache/file_based.rb', line 24

def cache_store(*args)
  super{|key, value| transaction{|store| store[key] = value } }
end

#transaction(&block) ⇒ Object 



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# File 'lib/innate/cache/file_based.rb', line 36

def transaction(&block)
  Innate.sync{ @store.transaction(&block) }
end