Class: Forecast::IO::Cache::Store

Inherits:
Object
  • Object
show all
Defined in:
lib/forecast_io/cache/store.rb

Instance Method Summary collapse

Constructor Details

#initialize(config = Cache.configuration) ⇒ Store

Returns a new instance of Store.



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# File 'lib/forecast_io/cache/store.rb', line 9

def initialize config = Cache.configuration
  @config = config
  @backend = MongoAdaptor.new('forecasts',ForecastData)
end

Instance Method Details

#fetch(lat, lon, time) ⇒ Object 



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# File 'lib/forecast_io/cache/store.rb', line 14

def fetch lat, lon, time
  @backend.fetch 'position' => { '$near' => [lon,lat], '$maxDistance' => radius },
                 'time' => { '$lt' => time+offset, '$gt' => time-offset }
rescue Mongo::OperationFailure => error
  if index_error? error
    ensure_index!
    retry
  else
    raise
  end
end

#store(forecast) ⇒ Object 



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# File 'lib/forecast_io/cache/store.rb', line 26

def store forecast
  @backend.insert forecast
  forecast
end