Class: ActiveModel::Validations::AbsenceValidator

Do not use. This class is for internal use only.

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Subclasses: ActiveRecord::Validations::AbsenceValidator
Super Chains via Extension / Inclusion / Inheritance
Class Chain: self, `::ActiveModel::EachValidator`, `::ActiveModel::Validator`
Instance Chain: self, `::ActiveModel::EachValidator`, `::ActiveModel::Validator`
Inherits:	ActiveModel::EachValidator `::Object` ActiveModel::Validator ActiveModel::EachValidator ActiveModel::Validations::AbsenceValidator
Defined in:	activemodel/lib/active_model/validations/absence.rb

Overview

.new	Returns a new validator instance.

.kind	Returns the kind of the validator.
.new	Accepts options that will be made available through the `options` reader.

#attributes

#options

#check_validity!	Hook method that gets called by the initializer allowing verification that the arguments supplied are valid.
#validate	Performs validation on the supplied record.
#validate_each	Override this method in subclasses with the validation logic, adding errors to the records #errors array where necessary.
#prepare_value_for_validation

#kind	Returns the kind for this validator.
#validate	Override this method in subclasses with validation logic, adding errors to the records #errors array where necessary.

This class inherits a constructor from ActiveModel::EachValidator

[ GitHub ]

# File 'activemodel/lib/active_model/validations/absence.rb', line 7


def validate_each(record, attr_name, value)
  record.errors.add(attr_name, :present, **options) if value.present?
end