Module: Neomirror::Node::ClassMethods

Defined in:
lib/neomirror/node.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#neo_primary_key ⇒ Object 



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# File 'lib/neomirror/node.rb', line 26

def neo_primary_key
  @neo_primary_key ||= self.respond_to?(:primary_key) ? self.__send__(:primary_key) : :id
end

Instance Method Details

#mirror_neo_node(options = {}, &block) ⇒ Object 



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# File 'lib/neomirror/node.rb', line 17

def mirror_neo_node(options = {}, &block)
  raise "Node mirror is already defined. Reflection model into more than one node is not supported. Create an issue if you need such functionality." if @neo_mirror
  @neo_mirror = options
  @neo_mirror[:label] ||= self.name.gsub(/^.*::/, '').to_sym # demodulize
  @neo_mirror[:properties] = ::Neomirror::PropertyCollector.new(&block).properties if block_given?
  ::Neomirror.neo.execute_query("CREATE CONSTRAINT ON (n:#{@neo_mirror[:label]}) ASSERT n.id IS UNIQUE")
  @neo_mirror
end

#neo_mirror ⇒ Object 



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# File 'lib/neomirror/node.rb', line 10

def neo_mirror
  @neo_mirror ||= begin
    return nil unless a = self.ancestors.drop(1).find { |c| c.respond_to?(:neo_mirror) && c.neo_mirror }
    a.neo_mirror
  end
end