You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: graph_component.rb
    path of file: ./repos/powerstation/powerstation/IDE_plugin/out/production/resources/static-analyzer/controller_model_analysis
    
    the code of the file until where you have to start completion: 
class INode
	def initialize(instr)
		if instr != nil
			instr.setINode(self)
		end
 		@instr = instr
		
    
def compute_longest_single_path
	temp_node = $node_list[0]
	p_length = 0
	query_num = 0
	read_query = 0
	#$node_list.each do |n|
	#	puts "#{n.getIndex}: #{n.getInstr.toString}"
	#	n.getControlflowEdges.each do |e|
	#		puts "\t -> #{e.getToNode.getIndex}"
	#		if e.getToNode == n.shortest_control_path_nextnode
	#			puts "\t\t(shortest path: #{n.shortest_path_length})"
	#		end
	#		if e.getToNode == n.longest_control_path_nextnode
	#			puts "\t\t(longest path: #{n.path_length})"
	#		end
	#	end
	#end
	while temp_node and temp_node.getControlflowEdges.length > 0
		p_length += 1
		if temp_node.isQuery?
			query_num += 1
			if temp_node.isReadQuery?
				read_query += 1
			end
		end
		#puts "Longest path #{p_length}: #{temp_node.getIndex}: #{temp_node.getInstr.toString}"
		temp_node = temp_node.longest_control_path_nextnode
	end