Class: Fabulator::Core::Structurals::State

Inherits:
Structural
  • Object
show all
Defined in:
lib/fabulator/core/structurals/state.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Structural

#accepts_structural?, accepts_structural?, #compile_xml, contained_in, contains, element, #initialize, structurals

Constructor Details

This class inherits a constructor from Fabulator::Structural

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/fabulator/core/structurals/state.rb', line 5

def name
  @name
end

#transitions ⇒ Object

Returns the value of attribute transitions.



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# File 'lib/fabulator/core/structurals/state.rb', line 5

def transitions
  @transitions
end

Instance Method Details

#run_post(context) ⇒ Object 



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# File 'lib/fabulator/core/structurals/state.rb', line 44

def run_post(context)
  # do queries, denials, assertions in the order given
  ctx = context.class.new(@context, context)
  @post_actions.run(ctx) unless @post_actions.nil?
  return []
end

#run_pre(context) ⇒ Object 



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# File 'lib/fabulator/core/structurals/state.rb', line 37

def run_pre(context)
  # do queries, denials, assertions in the order given
  ctx = context.class.new(@context, context)
  @pre_actions.run(ctx) unless @pre_actions.nil?
  return []
end

#select_transition(context, params) ⇒ Object 



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# File 'lib/fabulator/core/structurals/state.rb', line 17

def select_transition(context,params)
  # we need hypthetical variables here :-/
  return nil if @context.nil?
  best_match = nil
  @context.with(context) do |ctx|
    best_match = nil
    @transitions.each do |t|
      res = t.validate_params(ctx,params)
      if res[:missing].empty? && res[:messages].empty? && res[:unknown].empty? && res[:invalid].empty?
        res[:transition] = t
      end
      if best_match.nil? || res[:score] > best_match[:score]
        best_match = res
        best_match[:transition] = t
      end
    end
  end
  return best_match
end

#states ⇒ Object 



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# File 'lib/fabulator/core/structurals/state.rb', line 13

def states
  @transitions.map { |t| t.state }.uniq
end