Class: Sudoku::SolutionSet::Process::Step

Inherits:
Object
  • Object
show all
Defined in:
lib/sudoku/solution_set/process/step.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(solution_set) ⇒ Step

Returns a new instance of Step.



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# File 'lib/sudoku/solution_set/process/step.rb', line 7

def initialize(solution_set)
  @solution_set = solution_set
end

Instance Attribute Details

#output ⇒ Object (readonly)

Returns the value of attribute output.



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# File 'lib/sudoku/solution_set/process/step.rb', line 5

def output
  @output
end

Instance Method Details

#constraints ⇒ Object 



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# File 'lib/sudoku/solution_set/process/step.rb', line 32

def constraints
  @solution_set.constraints
end

#delete_excluded_choices_if(&block) ⇒ Object 



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# File 'lib/sudoku/solution_set/process/step.rb', line 56

def delete_excluded_choices_if(&block)
  @solution_set.delete_excluded_choices_if(&block)
end

#exclude_choice(choice) ⇒ Object 



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# File 'lib/sudoku/solution_set/process/step.rb', line 48

def exclude_choice(choice)
  @solution_set.exclude_choice(choice)
end

#excluded_choices ⇒ Object 



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# File 'lib/sudoku/solution_set/process/step.rb', line 36

def excluded_choices
  @solution_set.excluded_choices
end

#include_choice(choice) ⇒ Object 



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# File 'lib/sudoku/solution_set/process/step.rb', line 44

def include_choice(choice)
  @solution_set.include_choice(choice)
end

#included_choices ⇒ Object 



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# File 'lib/sudoku/solution_set/process/step.rb', line 40

def included_choices
  @solution_set.included_choices
end

#restore_excluded_choices(choices) ⇒ Object 



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# File 'lib/sudoku/solution_set/process/step.rb', line 52

def restore_excluded_choices(choices)
  @solution_set.restore_excluded_choices(choices)
end

#retry? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sudoku/solution_set/process/step.rb', line 28

def retry?
  @output
end

#revert ⇒ Object 



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# File 'lib/sudoku/solution_set/process/step.rb', line 20

def revert
  revert!
end

#revert! ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/sudoku/solution_set/process/step.rb', line 24

def revert!
  raise NotImplementedError, "#{self.class}#revert! not implemented"
end

#take(input = nil) ⇒ Object 



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# File 'lib/sudoku/solution_set/process/step.rb', line 11

def take(input=nil)
  @input ||= input
  @output = take!(*[@input].compact)
end

#take!(*args) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/sudoku/solution_set/process/step.rb', line 16

def take!(*args)
  raise NotImplementedError, "#{self.class}#take! not implemented"
end