Class: Longjing::FF::ConnectivityGraph

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(problem) ⇒ ConnectivityGraph

Returns a new instance of ConnectivityGraph.



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

def initialize(problem)
  @actions = problem.all_actions.map do |action|
    Action.new(action)
  end
  @add2actions = {}
  @pre2actions = {}
  @del2actions = {}
  @actions.each do |action|
    action.pre.each do |lit|
      @pre2actions[lit] ||= []
      @pre2actions[lit] << action
    end
    action.add.each do |lit|
      @add2actions[lit] ||= []
      @add2actions[lit] << action
    end
    action.del.each do |lit|
      @del2actions[lit] ||= {}
      @del2actions[lit][action] = true
    end
  end
  @literals = (@pre2actions.keys +
               @add2actions.keys +
               @del2actions.keys).uniq
end

Instance Attribute Details

#actions ⇒ Object (readonly)

Returns the value of attribute actions.



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

def actions
  @actions
end

#add2actions ⇒ Object (readonly)

Returns the value of attribute add2actions.



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

def add2actions
  @add2actions
end

#del2actions ⇒ Object (readonly)

Returns the value of attribute del2actions.



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

def del2actions
  @del2actions
end

#literals ⇒ Object (readonly)

Returns the value of attribute literals.



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

def literals
  @literals
end

#pre2actions ⇒ Object (readonly)

Returns the value of attribute pre2actions.



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

def pre2actions
  @pre2actions
end