class Puppet::Parser::AST::Relationship

Constants

RELATIONSHIP_TYPES

Attributes

arrow[RW]
left[RW]
right[RW]
type[RW]

Public Class Methods

new(left, right, arrow, args = {}) click to toggle source
Calls superclass method Puppet::Parser::AST::Branch.new 
# File lib/puppet/parser/ast/relationship.rb, line 22
def initialize(left, right, arrow, args = {})
  super(args)
  unless RELATIONSHIP_TYPES.include?(arrow)
    raise ArgumentError, "Invalid relationship type #{arrow.inspect}; valid types are #{RELATIONSHIP_TYPES.collect { |r| r.to_s }.join(", ")}"
  end
  @left, @right, @arrow = left, right, arrow
end

Public Instance Methods

evaluate(scope) click to toggle source

Evaluate our object, but just return a simple array of the type and name.

# File lib/puppet/parser/ast/relationship.rb, line 12
def evaluate(scope)
  real_left = left.safeevaluate(scope)
  real_right = right.safeevaluate(scope)

  source, target = sides2edge(real_left, real_right)
  scope.compiler.add_relationship Puppet::Parser::Relationship.new(source, target, type)

  real_right
end
sides2edge(left, right) click to toggle source 
# File lib/puppet/parser/ast/relationship.rb, line 34
def sides2edge(left, right)
  out_edge? ? [left, right] : [right, left]
end