Class: Rack::Cache::Storage

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

Overview

Maintains a collection of MetaStore and EntityStore instances keyed by URI. A single instance of this class can be used across a single process to ensure that only a single instance of a backing store is created per unique storage URI.

Constant Summary collapse

@@singleton_instance = 
new

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Storage

Returns a new instance of Storage.



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# File 'lib/rack/cache/storage.rb', line 12

def initialize
  @metastores = {}
  @entitystores = {}
end

Class Method Details

.instance ⇒ Object 



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# File 'lib/rack/cache/storage.rb', line 60

def self.instance
  @@singleton_instance
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/rack/cache/storage.rb', line 25

def clear
  @metastores.clear
  @entitystores.clear
  nil
end

#resolve_entitystore_uri(uri, options = {}) ⇒ Object 



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# File 'lib/rack/cache/storage.rb', line 21

def resolve_entitystore_uri(uri, options = {})
  @entitystores[uri.to_s] ||= create_store(EntityStore, uri, options)
end

#resolve_metastore_uri(uri, options = {}) ⇒ Object 



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# File 'lib/rack/cache/storage.rb', line 17

def resolve_metastore_uri(uri, options = {})
  @metastores[uri.to_s] ||= create_store(MetaStore, uri, options)
end