Class: Longjing::FF::Action

Inherits:
Object
  • Object
show all
Defined in:
lib/longjing/ff/action.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(action) ⇒ Action

Returns a new instance of Action.



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# File 'lib/longjing/ff/action.rb', line 8

def initialize(action)
  @action = action
  @pre = []
  @add = []
  @del = []
  @action.precond.to_a.each do |lit|
    if lit.ff_neg_goal || !lit.is_a?(PDDL::Not)
      @pre << lit
    end
  end

  @action.effect.to_a.each do |lit|
    if lit.ff_neg_goal || !lit.is_a?(PDDL::Not)
      @add << lit
    else
      @del << lit.literal
    end
  end
  @count_target = @pre.size
  @hash = self.object_id
end

Instance Attribute Details

#action ⇒ Object (readonly)

Returns the value of attribute action.



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# File 'lib/longjing/ff/action.rb', line 5

def action
  @action
end

#add ⇒ Object (readonly)

Returns the value of attribute add.



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# File 'lib/longjing/ff/action.rb', line 6

def add
  @add
end

#count_target ⇒ Object (readonly)

Returns the value of attribute count_target.



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# File 'lib/longjing/ff/action.rb', line 5

def count_target
  @count_target
end

#counter ⇒ Object

Returns the value of attribute counter.



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# File 'lib/longjing/ff/action.rb', line 4

def counter
  @counter
end

#del ⇒ Object (readonly)

Returns the value of attribute del.



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# File 'lib/longjing/ff/action.rb', line 6

def del
  @del
end

#difficulty ⇒ Object

Returns the value of attribute difficulty.



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# File 'lib/longjing/ff/action.rb', line 4

def difficulty
  @difficulty
end

#hash ⇒ Object (readonly)

Returns the value of attribute hash.



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# File 'lib/longjing/ff/action.rb', line 5

def hash
  @hash
end

#layer ⇒ Object

Returns the value of attribute layer.



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# File 'lib/longjing/ff/action.rb', line 4

def layer
  @layer
end

#pre ⇒ Object (readonly)

Returns the value of attribute pre.



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# File 'lib/longjing/ff/action.rb', line 6

def pre
  @pre
end

Instance Method Details

#signature ⇒ Object 



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# File 'lib/longjing/ff/action.rb', line 30

def signature
  @action.signature
end

#to_s ⇒ Object 



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# File 'lib/longjing/ff/action.rb', line 34

def to_s
  "Action[#{signature}]"
end