Module: MongoMapper::Plugins::StrictKeys::InstanceMethods

Defined in:

lib/mongo_mapper/strict_keys.rb

Instance Method Summary

• #ensure_key_exists(name) ⇒ true

  This method either returns true or raises an exception.

Instance Method Details

#ensure_key_exists(name) ⇒ true

Returns This method either returns true or raises an exception.

Parameters:

• name (Symbol, String) —

  The name of the key to be ensured

Returns:

• (true) —

  This method either returns true or raises an exception

Raises:

• (ArgumentError) —

  If ‘name’ has not been specified as a key

See Also:

• Keys#key

# File 'lib/mongo_mapper/strict_keys.rb', line 18

def ensure_key_exists(name)
  unless respond_to?("#{name}=")
    raise ArgumentError.new("Attribute '#{name}' has not been explicitly defined as a key.")
  end
  true
end