Module: Apollo::ClassMethods

Defined in:
lib/apollo.rb

Instance Method Summary collapse

Instance Method Details

#current_state_column(column_name = nil) ⇒ Object 



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# File 'lib/apollo.rb', line 46

def current_state_column(column_name=nil)
  if column_name
    @current_state_column_name = column_name.to_sym
  else
    @current_state_column_name ||= :current_state
  end
  @current_state_column_name
end

#state_machine(&specification) ⇒ Object 



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# File 'lib/apollo.rb', line 55

def state_machine(&specification)
  return @apollo_spec unless block_given?
  
  @apollo_spec = Specification.new(Hash.new, &specification)
  @apollo_spec.states.values.each do |state|
    state_name = state.name
    module_eval do
      define_method "#{state_name}?" do
        state_name == current_state.name
      end
    end

    state.events.values.each do |event|
      event_name = event.name
      module_eval do
        define_method "#{event_name}!".to_sym do |*args|
          process_event!(event_name, *args)
        end
      end
    end
  end
  
  @apollo_spec.state_sets.keys.each do |set_name|
    module_eval do
      define_method "#{set_name}?" do
        current_state.set_names.include?(set_name.to_sym)
      end
    end
  end
end