Class: HammerCLI::Validator::OneOfConstraint

Inherits:
BaseConstraint show all
Defined in:
lib/hammer_cli/validator.rb

Instance Attribute Summary

Attributes inherited from BaseConstraint

#rejected_msg

Instance Method Summary collapse

Methods inherited from BaseConstraint

#required

Constructor Details

#initialize(options, to_check) ⇒ OneOfConstraint

Returns a new instance of OneOfConstraint.



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# File 'lib/hammer_cli/validator.rb', line 114

def initialize(options, to_check)
  raise 'Set at least one expected option' if to_check.empty?
  super(options, to_check)
end

Instance Method Details

#exist? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/hammer_cli/validator.rb', line 134

def exist?
  return count_present_options == 1
end

#rejected ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/hammer_cli/validator.rb', line 119

def rejected
  raise NotImplementedError, '#rejected is unsupported for OneOfConstraint'
end

#required_msg ⇒ Object 



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# File 'lib/hammer_cli/validator.rb', line 123

def required_msg
  case count_present_options
  when 0
    _("One of options %s is required.")
  when 1
    ''
  else
    _("Only one of options %s can be set.")
  end
end