Class: Wongi::Engine::VariantSet

Inherits:
Object
  • Object
show all
Defined in:
lib/wongi-engine/beta/or_node.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(conditions) ⇒ VariantSet

Returns a new instance of VariantSet.



31
32
33
 
# File 'lib/wongi-engine/beta/or_node.rb', line 31

def initialize conditions
  @children = conditions
end

Instance Attribute Details

#children ⇒ Object (readonly)

Returns the value of attribute children.



30
31
32
 
# File 'lib/wongi-engine/beta/or_node.rb', line 30

def children
  @children
end

Instance Method Details

#compile(context) ⇒ Object 



35
36
37
38
39
40
 
# File 'lib/wongi-engine/beta/or_node.rb', line 35

def compile context
  context.node = context.node.beta_memory.network( children, context.earlier, context.parameters, false )
  context.node.context = context
  context.earlier << self
  context
end

#introduces_variable?(var) ⇒ Boolean

Returns:

  • (Boolean) 


42
43
44
45
46
47
48
49
50
 
# File 'lib/wongi-engine/beta/or_node.rb', line 42

def introduces_variable? var
  children.any? { |c|
    if c.kind_of?( VariantSet )
      c.introduces_variable?( var )
    else
      c.respond_to?( :contains? ) and c.contains?( var )
    end
  }
end