Class: Fabulator::Core::Structurals::Transition

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

#state ⇒ Object

Returns the value of attribute state.



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

def state
  @state
end

#tags ⇒ Object

Returns the value of attribute tags.



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

def tags
  @tags
end

#validations ⇒ Object

Returns the value of attribute validations.



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

def validations
  @validations
end

Instance Method Details

#apply_constraints(ctx) ⇒ Object 



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# File 'lib/fabulator/core/structurals/transition.rb', line 89

def apply_constraints(ctx)
  invalid = [ ]
  missing = [ ]
  valid = [ ]
  msgs = [ ]
  @params.each do |p|
    res = p.apply_constraints(ctx)
    invalid = invalid + res[:invalid]
    missing = missing + res[:missing]
    valid = valid + res[:valid]
    msgs = msgs + res[:messages]
  end
  return { :missing => missing, :invalid => invalid, :valid => valid, :messages => msgs, :unknown => [ ] }
end

#apply_filters(ctx) ⇒ Object 



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# File 'lib/fabulator/core/structurals/transition.rb', line 83

def apply_filters(ctx)
  @params.collect { |p|
    p.apply_filters(ctx)
  }.flatten
end

#param_names ⇒ Object 



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# File 'lib/fabulator/core/structurals/transition.rb', line 16

def param_names
  (@params.collect{|w| w.param_names}.flatten).uniq
end

#run(context) ⇒ Object 



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# File 'lib/fabulator/core/structurals/transition.rb', line 104

def run(context)
  # do queries, denials, assertions in the order given
  @actions.run(@context.merge(context))
  return []
end

#validate_params(context, params) ⇒ Object 



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# File 'lib/fabulator/core/structurals/transition.rb', line 20

def validate_params(context,params)
  ctx = @context.merge(context)
  my_params = params

  param_context = Fabulator::Expr::Node.new(
    'ext',
    ctx.root.roots,
    nil,
    []
  )
  ctx.root.roots['ext'] = param_context
  p_ctx = ctx.with_root(param_context)
  p_ctx.merge_data(my_params)

  if @select.nil?
    self.apply_filters(p_ctx)
  else
    @select.run(p_ctx).each{ |c| self.apply_filters(p_ctx.with_root(c)) }
  end

  res = {
    :unknown => [ ],
    :valid => [ ],
    :invalid => [ ],
    :missing => [ ],
    :messages => [ ],
  }

  if @select.nil?
    rr = self.apply_constraints(p_ctx)
    res[:invalid] += rr[:invalid]
    res[:valid] += rr[:valid]
    res[:unknown] += rr[:unknown]
    res[:messages] += rr[:messages]
  else
    @select.run(p_ctx).each do |c|
      rr = self.apply_constraints(p_ctx.with_root(c))
      res[:invalid] += rr[:invalid]
      res[:valid] += rr[:valid]
      res[:unknown] += rr[:unknown]
      res[:messages] += rr[:messages]
    end
  end

  res[:unknown] = [ ]

  res[:invalid].uniq!
  res[:invalid].each do |k|
    res[:valid].delete(k.path)
    res[:unknown].delete(k.path)
  end
  #res[:unknown] = res[:unknown].collect{|k| @select + k}
  res[:unknown].each do |k|
    res[:valid].delete(k)
  end

  res[:score] = (res[:valid].size+1)*(params.size) /
                (res[:missing].size + 1) /
                (res[:invalid].size + 1) /
                (res[:unknown].size + 1)
  return res
end