validates :license_group_classname, :presence => true, :length => {:maximum => 50}
validates :name, :presence => true, :length => {:maximum => 50}
validates :caption, :presence => true, :length => {:maximum => 30}
validates :license_group_classname, :presence => true, :length => {:maximum => 50}
validates :name, :presence => true, :length => {:maximum => 50}
validates :caption, :presence => true, :length => {:maximum => 30}