Class: Moneta::Adapters::Couch

Inherits:
Object
  • Object
show all
Includes:
Defaults
Defined in:
lib/moneta/adapters/couch.rb

Instance Method Summary collapse

Methods included from Defaults

#[]=, #fetch

Constructor Details

#initialize(options = {}) ⇒ Couch

Returns a new instance of Couch.



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# File 'lib/moneta/adapters/couch.rb', line 13

def initialize(options = {})
  @db = ::CouchRest.database!(options[:db])
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/moneta/adapters/couch.rb', line 23

def [](key)
  deserialize(@db.get(key_for(key))["data"])
rescue RestClient::ResourceNotFound
  nil
end

#clear ⇒ Object 



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# File 'lib/moneta/adapters/couch.rb', line 46

def clear(*)
  @db.recreate!
end

#delete(key) ⇒ Object 



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# File 'lib/moneta/adapters/couch.rb', line 35

def delete(key, *)
  value = @db.get(key_for(key))

  if value
    @db.delete_doc({"_id" => value["_id"], "_rev" => value["_rev"]}) if value
    deserialize(value["data"])
  end
rescue RestClient::ResourceNotFound
  nil
end

#key?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/moneta/adapters/couch.rb', line 17

def key?(key, *)
  !self[key_for(key)].nil?
rescue RestClient::ResourceNotFound
  false
end

#store(key, value) ⇒ Object 



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# File 'lib/moneta/adapters/couch.rb', line 29

def store(key, value, *)
  @db.save_doc("_id" => key_for(key), :data => serialize(value))
rescue RestClient::RequestFailed
  self[key_for(key)]
end