Class: MetaModel::Installer::Validator

Inherits:
Object
  • Object
show all
Defined in:
lib/metamodel/installer/validator.rb

Constant Summary collapse

CURRENT_SUPPORTED_BUILT_IN_TYPES = 
%w[
  Int
  Double
  Float
  String
  Bool
  NSDate
]

Instance Method Summary collapse

Instance Method Details

#built_in_types ⇒ Object 



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# File 'lib/metamodel/installer/validator.rb', line 38

def built_in_types
  CURRENT_SUPPORTED_BUILT_IN_TYPES.map do |t|
    [t, "#{t}?"]
  end.flatten
end

#supported_types ⇒ Object 



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# File 'lib/metamodel/installer/validator.rb', line 44

def supported_types
  @models.reduce(CURRENT_SUPPORTED_BUILT_IN_TYPES) { |types, model|
    types << model.name.to_s
  }.map { |type|
    [type, "#{type}?"]
  }.flatten
end

#translate! ⇒ Object

Raises:



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# File 'lib/metamodel/installer/validator.rb', line 8

def translate!
  satisfy_constraint = @associations.reduce([]) do |remain, association|
    expect = remain.select { |assoc| assoc.expect_constraint? association }
    if expect.empty?
      remain << association
    else
      remain.delete expect.first
    end
    remain
  end
  raise Informative, "Unsatisfied constraints in #{satisfy_constraint.map \
    { |x| x.debug_description }}" if satisfy_constraint.size > 0

end

#validate_models ⇒ Object

Raises:



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# File 'lib/metamodel/installer/validator.rb', line 23

def validate_models
  existing_types = @models.map { |m| m.properties.map { |property| property.type } }.flatten.uniq
  unsupported_types = existing_types - supported_types
  raise Informative, "Unsupported types #{unsupported_types}" unless unsupported_types == []
end