Module: MotionModel::Model

Defined in:
lib/motion_model/model/persistence.rb,
lib/motion_model/model/transaction.rb

Defined Under Namespace

Modules: Transactions

Instance Method Summary collapse

Instance Method Details

#encodeWithCoder(coder) ⇒ Object

Follow Apple’s recommendation not to encode missing values.



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# File 'lib/motion_model/model/persistence.rb', line 89

def encodeWithCoder(coder)
  columns.each do |attr|
    # Serialize attributes except the proxy has_many and belongs_to ones.
    unless [:belongs_to, :has_many].include? column_named(attr).type
      value = self.send(attr)
      unless value.nil?
        coder.encodeObject(value, forKey: attr.to_s)
      end
    end
  end
end

#initWithCoder(coder) ⇒ Object 



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# File 'lib/motion_model/model/persistence.rb', line 63

def initWithCoder(coder)
  self.init

  new_tag_id = 1
  columns.each do |attr|
    next if self.class.has_relation?(attr)
    # If a model revision has taken place, don't try to decode
    # something that's not there.
    if coder.containsValueForKey(attr.to_s)
      value = coder.decodeObjectForKey(attr.to_s)
      self.send("#{attr}=", value)
    else
      self.send("#{attr}=", nil)
    end

    # re-issue tags to make sure they are unique
    @tag = new_tag_id
    new_tag_id += 1
  end
  save

  self
end