Module: Dynamoid::IdentityMap::ClassMethods

Defined in:
lib/dynamoid/identity_map.rb

Instance Method Summary (collapse)

Instance Method Details

- (Object) find_by_id(id, options = {}) 



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# File 'lib/dynamoid/identity_map.rb', line 34

def find_by_id(id, options = {})
  return super if identity_map_off?

  key = id.to_s

  if range_key = options[:range_key]
    key += "::#{range_key}"
  end

  if identity_map[key]
    identity_map[key]
  else
    super
  end
end

- (Object) from_database(attrs = {}) 



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# File 'lib/dynamoid/identity_map.rb', line 18

def from_database(attrs = {})
  return super if identity_map_off?

  key = identity_map_key(attrs)
  document = identity_map[key]

  if document.nil?
    document = super
    identity_map[key] = document
  else
    document.load(attrs)
  end

  document
end

- (Object) identity_map 



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# File 'lib/dynamoid/identity_map.rb', line 14

def identity_map
  @identity_map ||= {}
end

- (Object) identity_map_key(attrs) 



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# File 'lib/dynamoid/identity_map.rb', line 50

def identity_map_key(attrs)
  key = attrs[hash_key].to_s
  if range_key
    key += "::#{attrs[range_key]}"
  end
  key
end

- (Boolean) identity_map_off?

Returns:

  • (Boolean) 


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# File 'lib/dynamoid/identity_map.rb', line 62

def identity_map_off?
  !identity_map_on?
end

- (Boolean) identity_map_on?

Returns:

  • (Boolean) 


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# File 'lib/dynamoid/identity_map.rb', line 58

def identity_map_on?
  Dynamoid::Config.identity_map
end