Class: Apia::Scalar

Inherits:
Object
  • Object
show all
Extended by:
Defineable
Defined in:
lib/apia/scalar.rb

Class Method Summary collapse

Methods included from Defineable

create, inspect, method_missing, name, respond_to_missing?

Class Method Details

.cast(value = nil, &block) ⇒ Object 



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# File 'lib/apia/scalar.rb', line 19

def self.cast(value = nil, &block)
  if block_given? && value.nil?
    return definition.dsl.cast(&block)
  end

  unless valid?(value)
    # Before casting, we'll also validate...
    raise InvalidScalarValueError.new(self, value)
  end

  value = definition.cast.call(value) if definition.cast

  value
end

.definition ⇒ Apia::Definitions::Object

Return the definition for this type

Returns:



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# File 'lib/apia/scalar.rb', line 15

def self.definition
  @definition ||= Definitions::Scalar.new(Helpers.class_name_to_id(name))
end

.parse(value = nil, &block) ⇒ Object 



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# File 'lib/apia/scalar.rb', line 40

def self.parse(value = nil, &block)
  if block_given? && value.nil?
    return definition.dsl.parse(&block)
  end

  return value if definition.parse.nil?
  return nil if value.nil?

  definition.parse.call(value)
end

.valid?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/apia/scalar.rb', line 34

def self.valid?(value)
  return true if definition.validator.nil?

  definition.validator.call(value)
end