Class: Relaxo::Model::Properties::Optional

Inherits:
Object
  • Object
show all
Defined in:
lib/relaxo/model/properties/attribute.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(klass) ⇒ Optional

Returns a new instance of Optional.



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# File 'lib/relaxo/model/properties/attribute.rb', line 74

def initialize(klass)
	@klass = klass
end

Class Method Details

.[](klass) ⇒ Object 



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# File 'lib/relaxo/model/properties/attribute.rb', line 70

def self.[] klass
	self.new(klass)
end

Instance Method Details

#blank?(value) ⇒ Boolean

Returns:



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# File 'lib/relaxo/model/properties/attribute.rb', line 78

def blank?(value)
	if value.nil?
		return true
	end
	
	if value.respond_to?(:empty?) && value.empty?
		return true
	end
	
	return false
end

#convert_from_primative(dataset, value) ⇒ Object 



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# File 'lib/relaxo/model/properties/attribute.rb', line 98

def convert_from_primative(dataset, value)
	if blank?(value)
		nil
	else
		@klass.convert_from_primative(dataset, value)
	end
end

#convert_to_primative(value) ⇒ Object 



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# File 'lib/relaxo/model/properties/attribute.rb', line 90

def convert_to_primative(value)
	if blank?(value)
		nil
	else
		@klass.convert_to_primative(value)
	end
end