Class: Hydra::Validations::SingleCardinalityValidator

Inherits:

ActiveModel::EachValidator

Object
ActiveModel::EachValidator
Hydra::Validations::SingleCardinalityValidator

Includes:: Cardinality

Defined in:: lib/hydra/validations/single_cardinality.rb

Overview

SingleCardinalityValidator - validates that an enumerator value has size 0 or 1

validates :myattr, single_cardinality: true
validates_single_cardinality_of :myattr

Blank and nil values are considered valid (even without :allow_blank or :allow_nil validator options).

Instance Method Summary collapse

#validate_each(record, attribute, value) ⇒ Object

Methods included from Cardinality

#validate_cardinality, #validate_single_cardinality

Instance Method Details

#validate_each(record, attribute, value) ⇒ `Object`



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# File 'lib/hydra/validations/single_cardinality.rb', line 18

def validate_each(record, attribute, value)
  validate_cardinality(:single, record, attribute, value)
end