Contents

class ValueExpression < Arity1Operators

  def initialize(operand)
    @operand = operand
  end

  def to_sql
    operand
  end

  def evaluate(attributes = {})
    if attributes.key? @operand
      attributes[@operand]
    else
      @operand
    end
  end

end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
lamep-0.2.1	lib/lamep/Expressions/value_expression.rb
lamep-0.2	lib/lamep/Expressions/value_expression.rb