Module: FIRM::Serializable::JSON::SerializeClassMethods

Included in:
ID, SerializeClassMethods
Defined in:
lib/firm/serializer/json.rb

Overview

extend serialization class methods

Instance Method Summary collapse

Instance Method Details

#json_create(object) ⇒ Object 



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# File 'lib/firm/serializer/json.rb', line 209

def json_create(object)
  data = object['data']
  # deserializing (anchor) object or alias
  if object.has_key?('*id')
    if Serializable::Aliasing.restored?(self, object['*id'])
      # resolving an already restored anchor for this alias
      Serializable::Aliasing.resolve_anchor(self, object['*id'])
    else
      # in case of cyclic references JSON will restore aliases before the anchors
      # so in this case we allocate an instance here and register it as
      # the anchor; when the anchor is restored it will re-use this instance to initialize & restore
      # the properties
      Serializable::Aliasing.restore_anchor(object['*id'], self.allocate)
    end
  else
    instance = if object.has_key?('&id')
                 anchor_id = object['&id'] # extract anchor id
                 if Serializable::Aliasing.restored?(self, anchor_id)
                   # in case of cyclic references an alias will already have restored the anchor instance
                   # (default constructed); retrieve that instance here for deserialization of properties
                   Serializable::Aliasing.resolve_anchor(self, anchor_id)
                 else
                   # restore the anchor here with a newly allocated instance
                   Serializable::Aliasing.restore_anchor(anchor_id, self.allocate)
                 end
               else
                 self.allocate
               end
    instance.__send__(:init_from_serialized, data)
            .__send__(:from_serialized, data)
            .__send__(:finalize_from_serialized)
  end
end