Class: Moneta::Adapters::DataMapper

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

Instance Method Summary collapse

Methods included from Defaults

#[]=, #fetch

Constructor Details

#initialize(options = {}) ⇒ DataMapper

Returns a new instance of DataMapper.



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

def initialize(options = {})
  @repository = options.delete(:repository) || :moneta
  ::DataMapper.setup(@repository, options[:setup])
  MonetaHash.auto_upgrade!(@repository)
  @hash = MonetaHash
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/moneta/adapters/datamapper.rb', line 40

def [](key)
  repository_context { @hash.value(key_for(key)) }
end

#clear ⇒ Object 



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# File 'lib/moneta/adapters/datamapper.rb', line 66

def clear(*)
  repository_context { @hash.all.destroy! }
end

#delete(key) ⇒ Object 



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# File 'lib/moneta/adapters/datamapper.rb', line 56

def delete(key, *)
  string_key = key_for(key)

  repository_context {
    value = self[key]
    @hash.all(:the_key => string_key).destroy!
    value
  }
end

#key?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/moneta/adapters/datamapper.rb', line 36

def key?(key, *)
  repository_context { !!@hash.get(key_for(key)) }
end

#store(key, value) ⇒ Object 



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# File 'lib/moneta/adapters/datamapper.rb', line 44

def store(key, value, *)
  string_key = key_for(key)
  repository_context {
    obj = @hash.get(string_key)
    if obj
      obj.update(string_key, value)
    else
      @hash.create(:the_key => string_key, :value => value)
    end
  }
end