class Ransack::Nodes::Attribute

def associated_collection?
  parent.respond_to?(:reflection) && parent.reflection.collection?
end

def eql?(other)
  self.class == other.class &&
  self.name == other.name
end

def hash
  self.name.hash
end

def initialize(context, name = nil, ransacker_args = [])
  super(context)
  self.name = name unless name.blank?
  @ransacker_args = ransacker_args
end

def inspect
  "Attribute <#{name}>"
end

def name=(name)
  @name = name
end

def persisted?
  false
end

def type
  if ransacker
    ransacker.type
  else
    context.type_for(self)
  end
end

def valid?
  bound? && attr &&
  context.klassify(parent).ransackable_attributes(context.auth_object)
  .include?(attr_name.split('.').last)
end