Class: Neography::Rest::Nodes

Inherits:
Object
  • Object
show all
Extended by:
Paths
Includes:
Helpers
Defined in:
lib/neography/rest/nodes.rb

Instance Method Summary collapse

Methods included from Paths

add_path, build_path, encode

Methods included from Helpers

#get_id, #json_content_type, #parse_direction

Constructor Details

#initialize(connection) ⇒ Nodes

Returns a new instance of Nodes.



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# File 'lib/neography/rest/nodes.rb', line 10

def initialize(connection)
  @connection = connection
end

Instance Method Details

#create(*args) ⇒ Object 



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# File 'lib/neography/rest/nodes.rb', line 31

def create(*args)
  if args[0].respond_to?(:each_pair) && args[0]
    create_with_attributes(args[0])
  else
    create_empty
  end
end

#create_empty ⇒ Object 



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# File 'lib/neography/rest/nodes.rb', line 47

def create_empty
  @connection.post(index_path)
end

#create_multiple(nodes) ⇒ Object 



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# File 'lib/neography/rest/nodes.rb', line 55

def create_multiple(nodes)
  nodes = Array.new(nodes) if nodes.kind_of? Fixnum
  created_nodes = []
  nodes.each do |node|
    created_nodes << create(node)
  end
  created_nodes
end

#create_multiple_threaded(nodes) ⇒ Object 



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# File 'lib/neography/rest/nodes.rb', line 64

def create_multiple_threaded(nodes)
  nodes = Array.new(nodes) if nodes.kind_of? Fixnum

  node_queue = Queue.new
  thread_pool = []
  responses = Queue.new

  nodes.each do |node|
    node_queue.push node
  end

  [nodes.size, @connection.max_threads].min.times do
    thread_pool << Thread.new do
      until node_queue.empty? do
        node = node_queue.pop
        if node.respond_to?(:each_pair)
          responses.push( @connection.post(index_path, {
            :body => node.to_json,
            :headers => json_content_type
          } ) )
        else
          responses.push( @connection.post(index_path) )
        end
      end
      self.join
    end
  end

  created_nodes = []

  while created_nodes.size < nodes.size 
    created_nodes << responses.pop
  end
  created_nodes
end

#create_with_attributes(attributes) ⇒ Object 



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# File 'lib/neography/rest/nodes.rb', line 39

def create_with_attributes(attributes)
  options = {
    :body => attributes.delete_if { |k, v| v.nil? }.to_json,
    :headers => json_content_type
  }
  @connection.post(index_path, options)
end

#delete(id) ⇒ Object 



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# File 'lib/neography/rest/nodes.rb', line 51

def delete(id)
  @connection.delete(base_path(:id => get_id(id)))
end

#get(id) ⇒ Object 



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# File 'lib/neography/rest/nodes.rb', line 14

def get(id)
  @connection.get(base_path(:id => get_id(id)))
end

#get_each(*nodes) ⇒ Object 



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# File 'lib/neography/rest/nodes.rb', line 18

def get_each(*nodes)
  gotten_nodes = []
  Array(nodes).flatten.each do |node|
    gotten_nodes << get(node)
  end
  gotten_nodes
end

#root ⇒ Object 



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# File 'lib/neography/rest/nodes.rb', line 26

def root
  root_node = @connection.get('/')["reference_node"]
  @connection.get(base_path(:id => get_id(root_node)))
end