Class: Geocoder::Cache

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

Instance Method Summary collapse

Constructor Details

#initialize(store, config) ⇒ Cache

Returns a new instance of Cache.



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# File 'lib/geocoder/cache.rb', line 6

def initialize(store, config)
  @class = (Geocoder::CacheStore.const_get("#{store.class}", false) rescue Geocoder::CacheStore::Generic)
  @store_service = @class.new(store, config)
end

Instance Method Details

#[](url) ⇒ Object

Read from the Cache.



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# File 'lib/geocoder/cache.rb', line 14

def [](url)
  interpret store_service.read(url)
rescue => e
  Geocoder.log(:warn, "Geocoder cache read error: #{e}")
end

#[]=(url, value) ⇒ Object

Write to the Cache.



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# File 'lib/geocoder/cache.rb', line 23

def []=(url, value)
  store_service.write(url, value)
rescue => e
  Geocoder.log(:warn, "Geocoder cache write error: #{e}")
end

#expire(url) ⇒ Object

Delete cache entry for given URL, or pass :all to clear all URLs.



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# File 'lib/geocoder/cache.rb', line 33

def expire(url)
  if url == :all
    if store_service.respond_to?(:keys)
      urls.each{ |u| expire(u) }
    else
      raise(NoMethodError, "The Geocoder cache store must implement `#keys` for `expire(:all)` to work")
    end
  else
    expire_single_url(url)
  end
end