Method: Cache::YAMLCacheInterceptor#invoke

Defined in:
lib/jiji/util/cache.rb

#invoke(mi) ⇒ Object 



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# File 'lib/jiji/util/cache.rb', line 16

def invoke( mi )
  cache_file =  @cache_file_prefix + "_" +  mi.name.to_s
  cache_file += "_" + @block.call(mi.name,*mi.arguments) if @block != nil
  cache_file += ".yaml"

  flock = FileLock.new(cache_file + ".lock")
  current = Time.new

  res = nil
  flock.writelock(){
    # キャッシュがあればキャッシュから読む

    if ( File.exist?(cache_file) && current.to_i < (File.mtime(cache_file).to_i + @range) )
      res = YAML.load_file cache_file
    else
      res =  mi.proceed
      File.open( cache_file, "w" ) { |f|
        f.write( YAML.dump(res) )
      }
      File.utime(current, current, cache_file)
    end
  }
  return res
end