Class: Redundancy::UpdatePrevColumn

Inherits:
UpdateBase show all
Defined in:
lib/redundancy/update_prev_column.rb

Instance Attribute Summary

Attributes inherited from UpdateBase

#change_if, #dest, #force, #klass, #options, #source, #target, #update, #value

Instance Method Summary collapse

Methods inherited from UpdateBase

#after_save, #force_update!, #force_update_target, #get_target_from_association, #get_target_from_prev_id, #get_target_from_relation_first_record, #get_value_from_association, #get_value_from_source, #get_value_from_target, #initialize, #log, #need_update?, #raise_if_class_mismatch, #update_target

Constructor Details

This class inherits a constructor from Redundancy::UpdateBase

Instance Method Details

#before_save(record) ⇒ Object 



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# File 'lib/redundancy/update_prev_column.rb', line 7

def before_save record
  raise_if_class_mismatch record
  return unless need_update? record

  get_target_from_prev_id record
  get_value_from_source record

  update_target record
end