Class: ActiveFacts::CQL::Compiler::ReadingMatchSideEffects

Inherits:
Object
  • Object
show all
Defined in:
lib/activefacts/cql/compiler/reading.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(fact_type, reading, residual_adjectives, role_side_effects) ⇒ ReadingMatchSideEffects

Returns a new instance of ReadingMatchSideEffects.



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# File 'lib/activefacts/cql/compiler/reading.rb', line 624

def initialize fact_type, reading, residual_adjectives, role_side_effects
  @fact_type = fact_type
  @reading = reading
  @residual_adjectives = residual_adjectives
  @role_side_effects = role_side_effects
end

Instance Attribute Details

#fact_type ⇒ Object (readonly)

Returns the value of attribute fact_type.



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# File 'lib/activefacts/cql/compiler/reading.rb', line 621

def fact_type
  @fact_type
end

#residual_adjectives ⇒ Object (readonly)

Returns the value of attribute residual_adjectives.



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# File 'lib/activefacts/cql/compiler/reading.rb', line 620

def residual_adjectives
  @residual_adjectives
end

#role_side_effects ⇒ Object (readonly)

One array of values per RoleRef matched, in order



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# File 'lib/activefacts/cql/compiler/reading.rb', line 622

def role_side_effects
  @role_side_effects
end

Instance Method Details

#apply_all(&b) ⇒ Object 



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# File 'lib/activefacts/cql/compiler/reading.rb', line 631

def apply_all &b
  @role_side_effects.reverse.each{ |role_side_effect| b.call(*role_side_effect) }
end

#cost ⇒ Object 



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# File 'lib/activefacts/cql/compiler/reading.rb', line 635

def cost
  c = 0
  @role_side_effects.each do |se|
    c += se.cost
  end
  c + (@residual_adjectives ? 1 : 0)
end

#describe ⇒ Object 



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# File 'lib/activefacts/cql/compiler/reading.rb', line 643

def describe
  actual_effects =
    @role_side_effects.map do |se|
      ( [se.common_supertype ? "supertype join over #{se.common_supertype.name}" : nil] +
        [se.absorbed_precursors > 0 ? "absorbs #{se.absorbed_precursors} preceding words" : nil] +
        [se.absorbed_followers > 0 ? "absorbs #{se.absorbed_followers} following words" : nil]
      )
    end.flatten.compact*','
  actual_effects.empty? ? "no side effects" : actual_effects
end