Class: ActiveData::Model::Attributes::ReferenceOne

Inherits:
Base
  • Object
show all
Defined in:
lib/active_data/model/attributes/reference_one.rb

Direct Known Subclasses

ReferenceMany

Instance Attribute Summary

Attributes inherited from Base

#name, #owner

Instance Method Summary collapse

Methods inherited from Base

#initialize, #inspect_attribute, #pollute, #query, #readonly?, #reflection, #reset, #typecast, #value_present?, #write_value

Constructor Details

This class inherits a constructor from ActiveData::Model::Attributes::Base

Instance Method Details

#read ⇒ Object 



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# File 'lib/active_data/model/attributes/reference_one.rb', line 16

def read
  if association.target
    association.identify
  else
    type_casted_value
  end
end

#read_before_type_cast ⇒ Object 



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# File 'lib/active_data/model/attributes/reference_one.rb', line 24

def read_before_type_cast
  @value_cache
end

#write(value) ⇒ Object 



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# File 'lib/active_data/model/attributes/reference_one.rb', line 5

def write value
  pollute do
    previous = type_casted_value
    result = write_value value
    if (!value.nil? && type_casted_value.nil?) || type_casted_value != previous
      association.reset
    end
    result
  end
end