Class: Factbase::Plus

Inherits:

TermBase

• Object
• TermBase
• Factbase::Plus

Defined in:

lib/factbase/terms/plus.rb

Overview

Represents a Plus term in the Factbase system. This class is used to perform addition operations on operands.

Instance Method Summary

• #evaluate(fact, maps, fb) ⇒ Object

  Evaluate term on a fact.

• #initialize(operands) ⇒ Plus constructor

  Constructor.

Methods included from TermShared

#to_s

Constructor Details

#initialize(operands) ⇒ Plus

Constructor.

Parameters:

• operands (Array) —

  Operands

# File 'lib/factbase/terms/plus.rb', line 14

def initialize(operands)
  super()
  @plus = Factbase::Arithmetic.new(:+, operands)
end

Instance Method Details

#evaluate(fact, maps, fb) ⇒ Object

Evaluate term on a fact.

Parameters:

• fact (Factbase::Fact) —

  The fact

• maps (Array<Factbase::Fact>) —

  All maps available

• fb (Factbase) —

  Factbase to use for sub-queries

Returns:

• (Object) —

  Result of the addition

# File 'lib/factbase/terms/plus.rb', line 24

def evaluate(fact, maps, fb)
  @plus.evaluate(fact, maps, fb)
end