Class: Kettle::Family::Orderer

Inherits:
Object
  • Object
show all
Includes:
TSort
Defined in:
lib/kettle/family/orderer.rb

Instance Method Summary collapse

Constructor Details

#initialize(members:, mode: "dependency", hints: []) ⇒ Orderer

Returns a new instance of Orderer.



10
11
12
13
14
15
 
# File 'lib/kettle/family/orderer.rb', line 10

def initialize(members:, mode: "dependency", hints: [])
  @members = members
  @mode = mode
  @hints = hints
  @by_name = members.to_h { |member| [member.name, member] }
end

Instance Method Details

#ordered ⇒ Object 



17
18
19
20
21
22
23
24
25
26
27
28
 
# File 'lib/kettle/family/orderer.rb', line 17

def ordered
  case mode
  when "dependency"
    tsort
  when "fixed"
    fixed_order
  else
    raise Error, "unknown order mode #{mode.inspect}"
  end
rescue TSort::Cyclic => error
  raise Error, "dependency cycle detected: #{error.message}"
end