Class: RailsSimpleEventSourcing::Event

Inherits:
ApplicationRecord
  • Object
show all
Includes:
ReadOnly
Defined in:
app/models/rails_simple_event_sourcing/event.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.aggregate_model_name(name) ⇒ Object 



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# File 'app/models/rails_simple_event_sourcing/event.rb', line 17

def self.aggregate_model_name(name)
  singleton_class.instance_variable_set(:@aggregate_model_name, name)
end

.event_attributes(*attributes) ⇒ Object 



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# File 'app/models/rails_simple_event_sourcing/event.rb', line 25

def self.event_attributes(*attributes)
  @event_attributes ||= []

  attributes.map(&:to_s).each do |attribute|
    define_method attribute do
      self.payload ||= {}
      self.payload[attribute]
    end

    define_method "#{attribute}=" do |argument|
      self.payload ||= {}
      self.payload[attribute] = argument
    end
  end

  @event_attributes
end

Instance Method Details

#aggregate_model_name ⇒ Object 



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# File 'app/models/rails_simple_event_sourcing/event.rb', line 21

def aggregate_model_name
  self.class.singleton_class.instance_variable_get(:@aggregate_model_name)
end

#apply(_aggregate) ⇒ Object

Raises:

  • (NoMethodError) 


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# File 'app/models/rails_simple_event_sourcing/event.rb', line 43

def apply(_aggregate)
  raise NoMethodError, "You must implement #{self.class}#apply"
end